خیلی ممنون از اطلاعات. وبلاگتان هم بسیار عالیست.
آشنایی با NHibernate - قسمت هشتم
خیلی ممنون از اطلاعات. وبلاگتان هم بسیار عالیست.
var myFirstRoute = angular.module('myFirstRoute', []); myFirstRoute.config(['$routeProvider', function($routeProvider) { $routeProvider. when('/pageOne', { templateUrl: 'templates/page_one.html', controller: 'ShowPage1Controller' }). when('/pageTwo', { templateUrl: 'templates/page_two.html', controller: 'ShowPage2Controller' }). otherwise({ redirectTo: '/pageOne' }); }]); myFirstRoute.controller('ShowPage1Controller', function($scope) { $scope.message = 'Content of page-one.html'; }); myFirstRoute.controller('ShowPage2Controller', function($scope) { $scope.message = 'Content of page-two.html'; });
var myFirstRoute = angular.module('myFirstRoute',['ngRoute']); myFirstRoute.config(['$routeProvider', function($routeProvider) { $routeProvider. when('/pageOne', { templateUrl: 'templates/page_one.html', controller: 'ShowPage1Controller' }). when('/pageTwo', { templateUrl: 'templates/page_two.html', controller: 'ShowPage2Controller' }). otherwise({ redirectTo: '/pageOne' }); }]);
<body ng-app="app"> <div> <div> <div> <ul> <li><a href="#pageOne"> Show page one </a></li> <li><a href="#pageTwo"> Show page two </a></li> </ul> </div> <div> <div ng-view></div> </div> </div> </div> <script src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script> <script src="angular-route.js"></script> <script src="app.js"></script> </body>
Garbage Collection
string message = "Hello World!";
#include <stdio.h> #include <stdlib.h> void printReport(int* data) { printf("Report: %d", *data); } int main(void) { int *myNumber; myNumber = (int*)malloc(sizeof(int)); if (myNumber == 0) { printf("ERROR: Out of memory"); return 1; } *myNumber = 25; printReport(myNumber); free(myNumber); myNumber = NULL; return 0; }
using System; public class Program { public static void Main() { int myNumber = 25; PrintReport(myNumber); } private static void PrintReport(int number) { Console.WriteLine($"Report: {number}"); } }
using System; using System.ComponentModel.DataAnnotations; using System.ComponentModel.DataAnnotations.Schema; namespace BlazorServer.Entities { public class RoomOrderDetail { public int Id { get; set; } [Required] public string UserId { get; set; } [Required] public string StripeSessionId { get; set; } public DateTime CheckInDate { get; set; } public DateTime CheckOutDate { get; set; } public DateTime ActualCheckInDate { get; set; } public DateTime ActualCheckOutDate { get; set; } public long TotalCost { get; set; } public int RoomId { get; set; } public bool IsPaymentSuccessful { get; set; } [Required] public string Name { get; set; } [Required] public string Email { get; set; } public string Phone { get; set; } [ForeignKey("RoomId")] public HotelRoom HotelRoom { get; set; } public string Status { get; set; } } }
namespace BlazorServer.Common { public static class BookingStatus { public const string Pending = "Pending"; public const string Booked = "Booked"; public const string CheckedIn = "CheckedIn"; public const string CheckedOutCompleted = "CheckedOut"; public const string NoShow = "NoShow"; public const string Cancelled = "Cancelled"; } }
namespace BlazorServer.DataAccess { public class ApplicationDbContext : IdentityDbContext<ApplicationUser> { public DbSet<RoomOrderDetail> RoomOrderDetails { get; set; } // ... } }
dotnet tool update --global dotnet-ef --version 5.0.4 dotnet build dotnet ef migrations --startup-project ../../BlazorWasm/BlazorWasm.WebApi/ add AddRoomOrderDetails --context ApplicationDbContext dotnet ef --startup-project ../../BlazorWasm/BlazorWasm.WebApi/ database update --context ApplicationDbContext
using System; using System.ComponentModel.DataAnnotations; namespace BlazorServer.Models { public class RoomOrderDetailsDTO { public int Id { get; set; } [Required] public string UserId { get; set; } [Required] public string StripeSessionId { get; set; } [Required] public DateTime CheckInDate { get; set; } [Required] public DateTime CheckOutDate { get; set; } public DateTime ActualCheckInDate { get; set; } public DateTime ActualCheckOutDate { get; set; } [Required] public long TotalCost { get; set; } [Required] public int RoomId { get; set; } public bool IsPaymentSuccessful { get; set; } [Required] public string Name { get; set; } [Required] public string Email { get; set; } public string Phone { get; set; } public HotelRoomDTO HotelRoomDTO { get; set; } public string Status { get; set; } } }
namespace BlazorServer.Models.Mappings { public class MappingProfile : Profile { public MappingProfile() { // ... CreateMap<RoomOrderDetail, RoomOrderDetailsDTO>().ReverseMap(); // two-way mapping } } }
namespace BlazorServer.Services { public interface IRoomOrderDetailsService { Task<RoomOrderDetailsDTO> CreateAsync(RoomOrderDetailsDTO details); Task<List<RoomOrderDetailsDTO>> GetAllRoomOrderDetailsAsync(); Task<RoomOrderDetailsDTO> GetRoomOrderDetailAsync(int roomOrderId); Task<bool> IsRoomBookedAsync(int RoomId, DateTime checkInDate, DateTime checkOutDate); Task<RoomOrderDetailsDTO> MarkPaymentSuccessfulAsync(int id); Task<bool> UpdateOrderStatusAsync(int RoomOrderId, string status); } }
namespace BlazorServer.Services { public class RoomOrderDetailsService : IRoomOrderDetailsService { private readonly ApplicationDbContext _dbContext; private readonly IMapper _mapper; private readonly IConfigurationProvider _mapperConfiguration; public RoomOrderDetailsService(ApplicationDbContext dbContext, IMapper mapper) { _dbContext = dbContext ?? throw new ArgumentNullException(nameof(dbContext)); _mapper = mapper ?? throw new ArgumentNullException(nameof(mapper)); _mapperConfiguration = mapper.ConfigurationProvider; } public async Task<RoomOrderDetailsDTO> CreateAsync(RoomOrderDetailsDTO details) { var roomOrder = _mapper.Map<RoomOrderDetail>(details); roomOrder.Status = BookingStatus.Pending; var result = await _dbContext.RoomOrderDetails.AddAsync(roomOrder); await _dbContext.SaveChangesAsync(); return _mapper.Map<RoomOrderDetailsDTO>(result.Entity); } public Task<List<RoomOrderDetailsDTO>> GetAllRoomOrderDetailsAsync() { return _dbContext.RoomOrderDetails .Include(roomOrderDetail => roomOrderDetail.HotelRoom) .ProjectTo<RoomOrderDetailsDTO>(_mapperConfiguration) .ToListAsync(); } public async Task<RoomOrderDetailsDTO> GetRoomOrderDetailAsync(int roomOrderId) { var roomOrderDetailsDTO = await _dbContext.RoomOrderDetails .Include(u => u.HotelRoom) .ThenInclude(x => x.HotelRoomImages) .ProjectTo<RoomOrderDetailsDTO>(_mapperConfiguration) .FirstOrDefaultAsync(u => u.Id == roomOrderId); roomOrderDetailsDTO.HotelRoomDTO.TotalDays = roomOrderDetailsDTO.CheckOutDate.Subtract(roomOrderDetailsDTO.CheckInDate).Days; return roomOrderDetailsDTO; } public Task<bool> IsRoomBookedAsync(int RoomId, DateTime checkInDate, DateTime checkOutDate) { return _dbContext.RoomOrderDetails .AnyAsync( roomOrderDetail => roomOrderDetail.RoomId == RoomId && roomOrderDetail.IsPaymentSuccessful && ( (checkInDate < roomOrderDetail.CheckOutDate && checkInDate > roomOrderDetail.CheckInDate) || (checkOutDate > roomOrderDetail.CheckInDate && checkInDate < roomOrderDetail.CheckInDate) ) ); } public Task<RoomOrderDetailsDTO> MarkPaymentSuccessfulAsync(int id) { throw new NotImplementedException(); } public Task<bool> UpdateOrderStatusAsync(int RoomOrderId, string status) { throw new NotImplementedException(); } } }
namespace BlazorWasm.WebApi { public class Startup { // ... public void ConfigureServices(IServiceCollection services) { services.AddScoped<IRoomOrderDetailsService, RoomOrderDetailsService>(); // ...
namespace BlazorWasm.Client.Services { public interface IClientRoomOrderDetailsService { Task<RoomOrderDetailsDTO> MarkPaymentSuccessfulAsync(RoomOrderDetailsDTO details); Task<RoomOrderDetailsDTO> SaveRoomOrderDetailsAsync(RoomOrderDetailsDTO details); } }
namespace BlazorWasm.Client.Services { public class ClientRoomOrderDetailsService : IClientRoomOrderDetailsService { private readonly HttpClient _httpClient; public ClientRoomOrderDetailsService(HttpClient httpClient) { _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient)); } public Task<RoomOrderDetailsDTO> MarkPaymentSuccessfulAsync(RoomOrderDetailsDTO details) { throw new NotImplementedException(); } public Task<RoomOrderDetailsDTO> SaveRoomOrderDetailsAsync(RoomOrderDetailsDTO details) { throw new NotImplementedException(); } } }
namespace BlazorWasm.Client { public class Program { public static async Task Main(string[] args) { var builder = WebAssemblyHostBuilder.CreateDefault(args); // ... builder.Services.AddScoped<IClientRoomOrderDetailsService, ClientRoomOrderDetailsService>(); // ... } } }
using BlazorServer.Models; namespace BlazorWasm.Client.Models.ViewModels { public class HotelRoomBookingVM { public RoomOrderDetailsDTO OrderDetails { get; set; } } }
@page "/hotel/room-details/{Id:int}" @inject IJSRuntime JsRuntime @inject ILocalStorageService LocalStorage @inject IClientHotelRoomService HotelRoomService @if (HotelBooking?.OrderDetails?.HotelRoomDTO?.HotelRoomImages == null) { <div class="spinner"></div> } else { } @code { [Parameter] public int? Id { get; set; } HotelRoomBookingVM HotelBooking = new HotelRoomBookingVM(); int NoOfNights = 1; protected override async Task OnInitializedAsync() { try { HotelBooking.OrderDetails = new RoomOrderDetailsDTO(); if (Id != null) { if (await LocalStorage.GetItemAsync<HomeVM>(ConstantKeys.LocalInitialBooking) != null) { var roomInitialInfo = await LocalStorage.GetItemAsync<HomeVM>(ConstantKeys.LocalInitialBooking); HotelBooking.OrderDetails.HotelRoomDTO = await HotelRoomService.GetHotelRoomDetailsAsync( Id.Value, roomInitialInfo.StartDate, roomInitialInfo.EndDate); NoOfNights = roomInitialInfo.NoOfNights; HotelBooking.OrderDetails.CheckInDate = roomInitialInfo.StartDate; HotelBooking.OrderDetails.CheckOutDate = roomInitialInfo.EndDate; HotelBooking.OrderDetails.HotelRoomDTO.TotalDays = roomInitialInfo.NoOfNights; HotelBooking.OrderDetails.HotelRoomDTO.TotalAmount = roomInitialInfo.NoOfNights * HotelBooking.OrderDetails.HotelRoomDTO.RegularRate; } else { HotelBooking.OrderDetails.HotelRoomDTO = await HotelRoomService.GetHotelRoomDetailsAsync( Id.Value, DateTime.Now, DateTime.Now.AddDays(1)); NoOfNights = 1; HotelBooking.OrderDetails.CheckInDate = DateTime.Now; HotelBooking.OrderDetails.CheckOutDate = DateTime.Now.AddDays(1); HotelBooking.OrderDetails.HotelRoomDTO.TotalDays = 1; HotelBooking.OrderDetails.HotelRoomDTO.TotalAmount = HotelBooking.OrderDetails.HotelRoomDTO.RegularRate; } } } catch (Exception e) { await JsRuntime.ToastrError(e.Message); } } }
namespace BlazorWasm.Client.Services { public class ClientHotelRoomService : IClientHotelRoomService { private readonly HttpClient _httpClient; public ClientHotelRoomService(HttpClient httpClient) { _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient)); } public Task<HotelRoomDTO> GetHotelRoomDetailsAsync(int roomId, DateTime checkInDate, DateTime checkOutDate) { // How to url-encode query-string parameters properly var uri = new UriBuilderExt(new Uri(_httpClient.BaseAddress, $"/api/hotelroom/{roomId}")) .AddParameter("checkInDate", $"{checkInDate:yyyy'-'MM'-'dd}") .AddParameter("checkOutDate", $"{checkOutDate:yyyy'-'MM'-'dd}") .Uri; return _httpClient.GetFromJsonAsync<HotelRoomDTO>(uri); } public Task<IEnumerable<HotelRoomDTO>> GetHotelRoomsAsync(DateTime checkInDate, DateTime checkOutDate) { // ... } } }
@if (HotelBooking?.OrderDetails?.HotelRoomDTO?.HotelRoomImages == null) { <div class="spinner"></div> } else { <div class="mt-4 mx-4 px-0 px-md-5 mx-md-5"> <div class="row p-2 my-3 " style="border-radius:20px; "> <div class="col-12 col-lg-7 p-4" style="border: 1px solid gray"> <div class="row px-2 text-success border-bottom"> <div class="col-8 py-1"><p style="font-size:x-large;margin:0px;">Selected Room</p></div> <div class="col-4 p-0"><a href="hotel/rooms" class="btn btn-secondary btn-block">Back to Room's</a></div> </div> <div class="row"> <div class="col-6"> <div id="" class="carousel slide mb-4 m-md-3 m-0 pt-3 pt-md-0" data-ride="carousel"> <div id="carouselExampleIndicators" class="carousel slide" data-ride="carousel"> <ol class="carousel-indicators"> <li data-target="#carouselExampleIndicators" data-slide-to="0" class="active"></li> <li data-target="#carouselExampleIndicators" data-slide-to="1"></li> </ol> <div class="carousel-inner"> <div class="carousel-item active"> <img class="d-block w-100" src="images/slide1.jpg" alt="First slide"> </div> </div> <a class="carousel-control-prev" href="#carouselExampleIndicators" role="button" data-slide="prev"> <span class="carousel-control-prev-icon" aria-hidden="true"></span> <span class="sr-only">Previous</span> </a> <a class="carousel-control-next" href="#carouselExampleIndicators" role="button" data-slide="next"> <span class="carousel-control-next-icon" aria-hidden="true"></span> <span class="sr-only">Next</span> </a> </div> </div> </div> <div class="col-6"> <span class="float-right pt-4"> <span class="float-right">Occupancy : @HotelBooking.OrderDetails.HotelRoomDTO.Occupancy adults </span><br /> <span class="float-right pt-1">Size : @HotelBooking.OrderDetails.HotelRoomDTO.SqFt sqft</span><br /> <h4 class="text-warning font-weight-bold pt-5"> <span style="border-bottom:1px solid #ff6a00"> @HotelBooking.OrderDetails.HotelRoomDTO.TotalAmount.ToString("#,#.00#;(#,#.00#)") </span> </h4> <span class="float-right">Cost for @HotelBooking.OrderDetails.HotelRoomDTO.TotalDays nights</span> </span> </div> </div> <div class="row p-2"> <div class="col-12"> <p class="card-title text-warning" style="font-size:xx-large">@HotelBooking.OrderDetails.HotelRoomDTO.Name</p> <p class="card-text" style="font-size:large"> @((MarkupString)@HotelBooking.OrderDetails.HotelRoomDTO.Details) </p> </div> </div> </div> }
@if (HotelBooking?.OrderDetails?.HotelRoomDTO?.HotelRoomImages == null) { <div class="spinner"></div> } else { // ... <div class="col-12 col-lg-5 p-4 2 mt-4 mt-md-0" style="border: 1px solid gray;"> <EditForm Model="HotelBooking" class="container" OnValidSubmit="HandleCheckout"> <div class="row px-2 text-success border-bottom"><div class="col-7 py-1"><p style="font-size:x-large;margin:0px;">Enter Details</p></div></div> <div class="form-group pt-2"> <label class="text-warning">Name</label> <InputText @bind-Value="HotelBooking.OrderDetails.Name" type="text" class="form-control" /> </div> <div class="form-group pt-2"> <label class="text-warning">Phone</label> <InputText @bind-Value="HotelBooking.OrderDetails.Phone" type="text" class="form-control" /> </div> <div class="form-group"> <label class="text-warning">Email</label> <InputText @bind-Value="HotelBooking.OrderDetails.Email" type="text" class="form-control" /> </div> <div class="form-group"> <label class="text-warning">Check in Date</label> <InputDate @bind-Value="HotelBooking.OrderDetails.CheckInDate" type="date" disabled class="form-control" /> </div> <div class="form-group"> <label class="text-warning">Check Out Date</label> <InputDate @bind-Value="HotelBooking.OrderDetails.CheckOutDate" type="date" disabled class="form-control" /> </div> <div class="form-group"> <label class="text-warning">No. of nights</label> <select class="form-control" value="@NoOfNights" @onchange="HandleNoOfNightsChange"> @for (var i = 1; i <= 10; i++) { if (i == NoOfNights) { <option value="@i" selected="selected">@i</option> } else { <option value="@i">@i</option> } } </select> </div> <div class="form-group"> <button type="submit" class="btn btn-success form-control">Checkout Now</button> </div> </EditForm> </div> </div> </div> }
@code { // ... private async Task HandleNoOfNightsChange(ChangeEventArgs e) { NoOfNights = Convert.ToInt32(e.Value.ToString()); HotelBooking.OrderDetails.HotelRoomDTO = await HotelRoomService.GetHotelRoomDetailsAsync( Id.Value, HotelBooking.OrderDetails.CheckInDate, HotelBooking.OrderDetails.CheckInDate.AddDays(NoOfNights)); HotelBooking.OrderDetails.CheckOutDate = HotelBooking.OrderDetails.CheckInDate.AddDays(NoOfNights); HotelBooking.OrderDetails.HotelRoomDTO.TotalDays = NoOfNights; HotelBooking.OrderDetails.HotelRoomDTO.TotalAmount = NoOfNights * HotelBooking.OrderDetails.HotelRoomDTO.RegularRate; } private async Task HandleCheckout() { if (!await HandleValidation()) { return; } } private async Task<bool> HandleValidation() { if (string.IsNullOrEmpty(HotelBooking.OrderDetails.Name)) { await JsRuntime.ToastrError("Name cannot be empty"); return false; } if (string.IsNullOrEmpty(HotelBooking.OrderDetails.Phone)) { await JsRuntime.ToastrError("Phone cannot be empty"); return false; } if (string.IsNullOrEmpty(HotelBooking.OrderDetails.Email)) { await JsRuntime.ToastrError("Email cannot be empty"); return false; } return true; } }
Introduction to .NET Microservices (.NET 8)
In this Introduction course, we will learn Microservices with .NET 8 (MVC).
Microservices is an upcoming technology, where it is very easy to scale and break down large project in simple and manageable services.
In this course we will build multiple services and see how they function together by communicating in synchronous and asynchronous manner.
⭐️ Course Contents ⭐️
⌨️ (0:00:01) Section 1 - Welcome & Getting Started
⌨️ (0:28:15) Section 2 - Coupon API - Fundamentals
⌨️ (1:15:54) Section 3 - Coupon API - CRUD
⌨️ (2:21:24) Section 4 - Auth API
⌨️ (3:20:08) Section 5 - Consuming Auth API
⌨️ (4:26:53) Section 6 - Product API
⌨️ (4:57:59) Section 7 - Home and Details Page
⌨️ (5:09:35) Section 8 - Shopping Cart
⌨️ (6:08:04) Section 9 - Shopping Cart in Web Project
⌨️ (6:58:06) Section 10 - Service Bus
⌨️ (7:23:42) Section 11 - Email API - Service Bus
⌨️ (7:54:11) What's Next?
private static readonly Dictionary<string, string> SpecialMIMETypes = new Dictionary<string, string> { {"ai", "application/postscript"}, {"aif", "audio/x-aiff"}, {"aifc", "audio/x-aiff"}, {"aiff", "audio/x-aiff"}, {"asc", "text/plain"}, {"atom", "application/atom+xml"}, {"au", "audio/basic"}, {"avi", "video/x-msvideo"}, {"bcpio", "application/x-bcpio"}, {"bin", "application/octet-stream"}, {"bmp", "image/bmp"}, {"cdf", "application/x-netcdf"}, {"cgm", "image/cgm"}, {"class", "application/octet-stream"}, {"cpio", "application/x-cpio"}, {"cpt", "application/mac-compactpro"}, {"csh", "application/x-csh"}, {"css", "text/css"}, {"dcr", "application/x-director"}, {"dif", "video/x-dv"}, {"dir", "application/x-director"}, {"djv", "image/vnd.djvu"}, {"djvu", "image/vnd.djvu"}, {"dll", "application/octet-stream"}, {"dmg", "application/octet-stream"}, {"dms", "application/octet-stream"}, {"doc", "application/msword"}, {"docx","application/vnd.openxmlformats-officedocument.wordprocessingml.document"}, {"dotx", "application/vnd.openxmlformats-officedocument.wordprocessingml.template"}, {"docm","application/vnd.ms-word.document.macroEnabled.12"}, {"dotm","application/vnd.ms-word.template.macroEnabled.12"}, {"dtd", "application/xml-dtd"}, {"dv", "video/x-dv"}, {"dvi", "application/x-dvi"}, {"dxr", "application/x-director"}, {"eps", "application/postscript"}, {"etx", "text/x-setext"}, {"exe", "application/octet-stream"}, {"ez", "application/andrew-inset"}, {"gif", "image/gif"}, {"gram", "application/srgs"}, {"grxml", "application/srgs+xml"}, {"gtar", "application/x-gtar"}, {"hdf", "application/x-hdf"}, {"hqx", "application/mac-binhex40"}, {"htc", "text/x-component"}, {"htm", "text/html"}, {"html", "text/html"}, {"ice", "x-conference/x-cooltalk"}, {"ico", "image/x-icon"}, {"ics", "text/calendar"}, {"ief", "image/ief"}, {"ifb", "text/calendar"}, {"iges", "model/iges"}, {"igs", "model/iges"}, {"jnlp", "application/x-java-jnlp-file"}, {"jp2", "image/jp2"}, {"jpe", "image/jpeg"}, {"jpeg", "image/jpeg"}, {"jpg", "image/jpeg"}, {"js", "application/x-javascript"}, {"kar", "audio/midi"}, {"latex", "application/x-latex"}, {"lha", "application/octet-stream"}, {"lzh", "application/octet-stream"}, {"m3u", "audio/x-mpegurl"}, {"m4a", "audio/mp4a-latm"}, {"m4b", "audio/mp4a-latm"}, {"m4p", "audio/mp4a-latm"}, {"m4u", "video/vnd.mpegurl"}, {"m4v", "video/x-m4v"}, {"mac", "image/x-macpaint"}, {"man", "application/x-troff-man"}, {"mathml", "application/mathml+xml"}, {"me", "application/x-troff-me"}, {"mesh", "model/mesh"}, {"mid", "audio/midi"}, {"midi", "audio/midi"}, {"mif", "application/vnd.mif"}, {"mov", "video/quicktime"}, {"movie", "video/x-sgi-movie"}, {"mp2", "audio/mpeg"}, {"mp3", "audio/mpeg"}, {"mp4", "video/mp4"}, {"mpe", "video/mpeg"}, {"mpeg", "video/mpeg"}, {"mpg", "video/mpeg"}, {"mpga", "audio/mpeg"}, {"ms", "application/x-troff-ms"}, {"msh", "model/mesh"}, {"mxu", "video/vnd.mpegurl"}, {"nc", "application/x-netcdf"}, {"oda", "application/oda"}, {"ogg", "application/ogg"}, {"pbm", "image/x-portable-bitmap"}, {"pct", "image/pict"}, {"pdb", "chemical/x-pdb"}, {"pdf", "application/pdf"}, {"pgm", "image/x-portable-graymap"}, {"pgn", "application/x-chess-pgn"}, {"pic", "image/pict"}, {"pict", "image/pict"}, {"png", "image/png"}, {"pnm", "image/x-portable-anymap"}, {"pnt", "image/x-macpaint"}, {"pntg", "image/x-macpaint"}, {"ppm", "image/x-portable-pixmap"}, {"ppt", "application/vnd.ms-powerpoint"}, {"pptx","application/vnd.openxmlformats-officedocument.presentationml.presentation"}, {"potx","application/vnd.openxmlformats-officedocument.presentationml.template"}, {"ppsx","application/vnd.openxmlformats-officedocument.presentationml.slideshow"}, {"ppam","application/vnd.ms-powerpoint.addin.macroEnabled.12"}, {"pptm","application/vnd.ms-powerpoint.presentation.macroEnabled.12"}, {"potm","application/vnd.ms-powerpoint.template.macroEnabled.12"}, {"ppsm","application/vnd.ms-powerpoint.slideshow.macroEnabled.12"}, {"ps", "application/postscript"}, {"qt", "video/quicktime"}, {"qti", "image/x-quicktime"}, {"qtif", "image/x-quicktime"}, {"ra", "audio/x-pn-realaudio"}, {"ram", "audio/x-pn-realaudio"}, {"ras", "image/x-cmu-raster"}, {"rdf", "application/rdf+xml"}, {"rgb", "image/x-rgb"}, {"rm", "application/vnd.rn-realmedia"}, {"roff", "application/x-troff"}, {"rtf", "text/rtf"}, {"rtx", "text/richtext"}, {"sgm", "text/sgml"}, {"sgml", "text/sgml"}, {"sh", "application/x-sh"}, {"shar", "application/x-shar"}, {"silo", "model/mesh"}, {"sit", "application/x-stuffit"}, {"skd", "application/x-koan"}, {"skm", "application/x-koan"}, {"skp", "application/x-koan"}, {"skt", "application/x-koan"}, {"smi", "application/smil"}, {"smil", "application/smil"}, {"snd", "audio/basic"}, {"so", "application/octet-stream"}, {"spl", "application/x-futuresplash"}, {"src", "application/x-wais-source"}, {"sv4cpio", "application/x-sv4cpio"}, {"sv4crc", "application/x-sv4crc"}, {"svg", "image/svg+xml"}, {"swf", "application/x-shockwave-flash"}, {"t", "application/x-troff"}, {"tar", "application/x-tar"}, {"tcl", "application/x-tcl"}, {"tex", "application/x-tex"}, {"texi", "application/x-texinfo"}, {"texinfo", "application/x-texinfo"}, {"tif", "image/tiff"}, {"tiff", "image/tiff"}, {"tr", "application/x-troff"}, {"tsv", "text/tab-separated-values"}, {"txt", "text/plain"}, {"ustar", "application/x-ustar"}, {"vcd", "application/x-cdlink"}, {"vrml", "model/vrml"}, {"vxml", "application/voicexml+xml"}, {"wav", "audio/x-wav"}, {"wbmp", "image/vnd.wap.wbmp"}, {"wbmxl", "application/vnd.wap.wbxml"}, {"wml", "text/vnd.wap.wml"}, {"wmlc", "application/vnd.wap.wmlc"}, {"wmls", "text/vnd.wap.wmlscript"}, {"wmlsc", "application/vnd.wap.wmlscriptc"}, {"wrl", "model/vrml"}, {"xbm", "image/x-xbitmap"}, {"xht", "application/xhtml+xml"}, {"xhtml", "application/xhtml+xml"}, {"xls", "application/vnd.ms-excel"}, {"xml", "application/xml"}, {"xpm", "image/x-xpixmap"}, {"xsl", "application/xml"}, {"xlsx","application/vnd.openxmlformats-officedocument.spreadsheetml.sheet"}, {"xltx","application/vnd.openxmlformats-officedocument.spreadsheetml.template"}, {"xlsm","application/vnd.ms-excel.sheet.macroEnabled.12"}, {"xltm","application/vnd.ms-excel.template.macroEnabled.12"}, {"xlam","application/vnd.ms-excel.addin.macroEnabled.12"}, {"xlsb","application/vnd.ms-excel.sheet.binary.macroEnabled.12"}, {"xslt", "application/xslt+xml"}, {"xul", "application/vnd.mozilla.xul+xml"}, {"xwd", "image/x-xwindowdump"}, {"xyz", "chemical/x-xyz"}, {"zip", "application/zip"} };
روی tblNews کلیک کرده آنرا بکشید و روی فرم رها کنید. آنگاه ظاهر فرم و چیدمان کنترلها را تنظیم کنید و دو دکمه ذخیره و لغو برابر با شکل در فرم ایجاد کنید:
کد رویداد دو دکمه را اینگونه بنویسید:
private void btnCancel_Click(object sender, EventArgs e) { this.Close(); } private void btnSave_Click(object sender, EventArgs e) { this.DialogResult = System.Windows.Forms.DialogResult.OK; }
در پایین فرم روی tblNewsBindingSource کلیک کنید و از قسمت Properties ویژگی Modifiers آنرا برابر با Public کنید.
روی Combobox کلیک کنید، سپس ویژگی DataBinding -> Text آنرا خالی کنید. سپس روی فلش بالای Combobox دسته خبر کلیک کنید و تنظیمات آنرا مانند شکل زیر انجام دهید.
برای پرشدن آن کد زیر را در رویداد Load فرم اینگونه بنویسید:
private void frmAddEditNews_Load(object sender, EventArgs e) { MyNewsService.MyNewsServiceClient MyNews = new MyNewsService.MyNewsServiceClient(); tblCategoryIdComboBox.DataSource = MyNews.GetAllCategory(); }
به فرم اصلی بازگردید و برای رویداد دکمهی ویرایش چنین بنویسید:
private void btnEdit_Click(object sender, EventArgs e) { if (tblNewsDataGridView.CurrentRow == null) { MessageBox.Show("سطری برای ویرایش انتخاب کنید"); } else { //tblNews news = tblNewsDataGridView.CurrentRow.DataBoundItem as tblNews; tblNews news = MyNews.GetNews(Convert.ToInt32(tblNewsDataGridView.CurrentRow.Cells["tblNewsId"].Value)); frmAddEditNews frmAdd = new frmAddEditNews(); frmAdd.tblNewsBindingSource.DataSource = news; if (frmAdd.ShowDialog() == DialogResult.OK) { MyNews.EditNews(news); tblNewsBindingSource.DataSource = MyNews.GetAllNews().Select(p => new { p.tblNewsId, p.tblCategory.CatName, p.Title, p.Description, RegDate = MiladiToShamsi(p.RegDate) }); } } }
در صورتی که متد GetAllNews را به صورت ساده به ویژگی DataSource دیتاگرید نسبت داده بودیم میتوانستید از کد زیر برای مقداردهی به متغیر news بهره ببریم. ولی در حال حاضر این خط کد پیغام خطا میدهد. البته راههای دیگری برای حل این مشکل وجود دارد که در این درس قصد پرداختن به آنرا ندارم.
tblNews news = tblNewsDataGridView.CurrentRow.DataBoundItem as tblNews;
کد مربوط به رویداد دکمهی افزودن و حذف را نیز به صورت زیر بنویسید:
private void btnAdd_Click(object sender, EventArgs e) { tblNews news = new tblNews(); frmAddEditNews frmAdd = new frmAddEditNews(); frmAdd.tblNewsBindingSource.DataSource = news; if (frmAdd.ShowDialog() == DialogResult.OK) { MyNews.AddNews(news); tblNewsBindingSource.DataSource = MyNews.GetAllNews().Select(p => new { p.tblNewsId, p.tblCategory.CatName, p.Title, p.Description, RegDate = MiladiToShamsi(p.RegDate) }); } } private void btnRemove_Click(object sender, EventArgs e) { if (MessageBox.Show("آیا با حذف این سطر اطمینان دارید؟","هشدار",MessageBoxButtons.YesNo) == System.Windows.Forms.DialogResult.Yes) { MyNews.DeleteNews(Convert.ToInt32(tblNewsDataGridView.CurrentRow.Cells["tblNewsId"].Value)); tblNewsBindingSource.DataSource = MyNews.GetAllNews().Select(p => new { p.tblNewsId, p.tblCategory.CatName, p.Title, p.Description, RegDate = MiladiToShamsi(p.RegDate) }); } }
برنامه را اجرا کنید. کار ما کم و بیش به پایان رسیده است. شما یک پروژهی ویندوز ساده با استفاده از WCF ای که از Entity Framework برای اتصال به پایگاه داده بهره میبرد؛ ایجاد کردید. WCF بسیار گستردهتر از این است و در اینجا تنها به بخشی از آن پرداختیم. احتمالاً در صورت استقبال خوانندگان در آینده دربارهی تنظیمات ریز WCF برای امنیت، سرعت، محدودیت و استفاده در محیطهای مختلف خواهم نوشت.
شاد و پیروز باشید.
<html> <body> <div> Prevent default: <input type="checkbox" id="keydownStop" value="1" /> keydown <input type="checkbox" id="keypressStop" value="1" /> keypress <input type="checkbox" id="keyupStop" value="1" /> keyup </div> Ignore: <input type="checkbox" id="keydownIgnore" value="1" /> keydown <input type="checkbox" id="keypressIgnore" value="1" /> keypress <input type="checkbox" id="keyupIgnore" value="1" /> keyup <div> Focus on the input below and press any key. </div> <div> <input type="text" style=" width: 600px" id="keyInput" /> </div> Log: <div> <textarea id="keyLogger" rows="18" onfocus="this.blur()" style="width: 600px; border: 1px solid black"></textarea> </div> <input type="button" value="Clear" onclick="clearLog()" /> <script type="text/javascript"> document.getElementById('keyInput').onkeydown = keyHandler; document.getElementById('keyInput').onkeyup = keyHandler; document.getElementById('keyInput').onkeypress = keyHandler; document.getElementById('keyInput').focus(); function keyHandler(e) { e = e || window.event; if (document.getElementById(e.type + 'Ignore').checked) return; var evt = e.type; while (evt.length < 10) evt += ' ' + log(evt + ' keyCode=' + e.keyCode + ' which=' + e.which + ' charCode=' + e.charCode + ' char=' + String.fromCharCode(e.keyCode || e.charCode) + (e.shiftKey ? ' +shift' : '') + (e.ctrlKey ? ' +ctrl' : '') + (e.altKey ? ' +alt' : '') + (e.metaKey ? ' +meta' : '')); if (document.getElementById(e.type + 'Stop').checked) { e.preventDefault ? e.preventDefault() : (e.returnValue = false); } } function clearLog() { document.getElementById('keyLogger').value = ''; document.getElementById('keyInput').focus(); } function log(text) { var area = document.getElementById('keyLogger'); area.value += text + '\n'; area.scrollTop = area.scrollHeight; } </script> </body> </html>
<!doctype html>
document.onkeydown = function (e) { e = e || event; console.log(e); }
function getCharacter(event) { if (event.which == null) return String.fromCharCode(event.keyCode); // IE else if (event.which != 0 && event.charCode != 0) return String.fromCharCode(event.which); // All others return null; // special key }
<html> <body> <input id="inputText" type="text" /> <script> document.onkeydown = keyDown; document.onkeypress = keyPress; document.onkeyup = keyUp; function keyDown(e) { var input = document.getElementById('inputText'); input.value = 'keyDown started ...'; input.disabled = true; var j = 0; for (var i = 0; i < 999999999; i++) { j = i - j; } console.log(j); //alert('keyDown'); input.value = 'keyDown finished.'; input.disabled = false; } function keyPress(e) { alert('keyPress'); //console.log('keyPress'); } function keyUp(e) { alert('keyUp'); //console.log('keyUp'); } </script> </body> </html>
<html> <head> <script type="text/javascript"> function process() { var above = 0, below = 0; for (var i = 0; i < 200000; i++) { if (Math.random() * 2 > 1) { above++; } else { below++; } } } function test() { var result1 = document.getElementById('log'); var start = new Date().getTime(); console.log('start'); for (var i = 0; i < 200; i++) { result1.value = 'time=' + (new Date().getTime() - start) + ' [i=' + i + ']'; process(); } result1.value = 'time=' + (new Date().getTime() - start) + ' [done]'; console.log('end'); } window.onload = test; </script> </head> <body> <input id='log' /> </body> </html>
<input onkeydown="return false" /> <input onkeypress="return false" />
document.getElementById('myInputText').onkeypress = function (e) { var char = getCharacter(e || window.event); if (!char) return; // special key this.value += char.toUpperCase(); return false; // برای اینکه کاراکتر اضافی نمایش داده نشود }
e ? e : window.event;
document.getElementById('numberInputText').onkeypress = function (e) { e = e || window.event; var chr = getCharacter(e); if (!isNumeric(chr) && chr !== null) return false; } function isNumeric(n) { return !isNaN(parseFloat(n)) && isFinite(n); } function isNumber(val) { return val !== "NaN" && (+val) + '' === val + '' }
0==false // true 0===false // false, because they are of a different type 1=="1" // true, auto type coercion 1==="1" // false, because they are of a different type
e.ctrlKey && e.keyCode == 'A'.charCodeAt(0)
<html> <body> <div id="dotnettips" style="width: 35px; height: 35px; background-image: url(https://www.dntips.ir/favicon.ico); position: absolute; left: 10px; top: 10px;" tabindex="0"> </div> <script> document.getElementById('dotnettips').onkeydown = function (e) { e = e || event; switch (e.keyCode) { case 37: // left this.style.left = parseInt(this.style.left) - this.offsetWidth + 'px'; return false; case 38: // up this.style.top = parseInt(this.style.top) - this.offsetHeight + 'px'; return false; case 39: // right this.style.left = parseInt(this.style.left) + this.offsetWidth + 'px'; return false; case 40: // down this.style.top = parseInt(this.style.top) + this.offsetHeight + 'px'; return false; } } </script> </body> </html>
<html> <body> <input id="inputText" type="text" /> <div id="divCapsLock" style="color: Red; display: none;">Caps Lock is ON!</div> <script> var capsLock = null; document.onkeypress = keyPress; document.onkeydown = keyDown; function keyDown(e) { e = e || event; capsLock = (e.keyCode == 20 && capsLock !== null) ? !capsLock : capsLock; document.getElementById('divCapsLock').style.display = capsLock ? 'block' : 'none'; } function keyPress(e) { if (capsLock != null) return; e = e || window.event; var charCode = e.charCode || e.keyCode; capsLock = (charCode >= 97 && charCode <= 122 && e.shiftKey) || (charCode >= 65 && charCode <= 90 && !e.shiftKey); document.getElementById('divCapsLock').style.display = capsLock ? 'block' : 'none'; } </script> </body> </html>
<html> <body> <div id='divInput'> <input id="inputText" type="text" /> </div> <script> document.getElementById('inputText').onkeydown = inputKeyDown; document.getElementById('divInput').onkeydown = divKeyDown; document.onkeydown = documentKeyDown; window.onkeydown = windowKeyDown; function divKeyDown(e) { console.log('divKeyDown'); } function inputKeyDown(e) { console.log('inputKeyDown'); } function documentKeyDown(e) { console.log('documentKeyDown'); } function windowKeyDown(e) { console.log('windowKeyDown'); } </script> </body> </html>
<html> <body> <input id="inputText" type="text" /> <div id="divCapsLock" style="color: Red; display: none;">Caps Lock is ON!</div> <script> var capsLock = null; var hasFocus = false; document.onkeyup = keyUp; document.onkeypress = keyPress; document.getElementById('inputText').onfocus = focus; document.getElementById('inputText').onblur = focus; function warnCapsLock() { document.getElementById('divCapsLock').style.display = (capsLock != null && capsLock && hasFocus) ? 'block' : 'none'; } function focus() { hasFocus = !hasFocus; warnCapsLock(); } function keyUp(e) { e = e || event; capsLock = (e.keyCode == 20 && capsLock !== null) ? !capsLock : capsLock; warnCapsLock(); } function keyPress(e) { if (capsLock != null) return; e = e || window.event; var charCode = e.charCode || e.keyCode; capsLock = (charCode >= 97 && charCode <= 122 && e.shiftKey) || (charCode >= 65 && charCode <= 90 && !e.shiftKey); warnCapsLock(); } </script> </body> </html>
window.onblur = function () { capsLock = null; }
var Client = {}; Client.Keyboard = {}; Client.Keyboard.EnableKeyDown = true; Client.Keyboard.EnableKeyUp = false; Client.Keyboard.CurrentKeyEvent = null; window.onkeydown = function (event) { if (!Client.Keyboard.EnableKeyDown) return true; return KeyboardEvents(event); }; window.onkeyup = function (event) { if (!Client.Keyboard.EnableKeyUp) return true; return KeyboardEvents(event); }; function Rise(event) { var e = Client.Keyboard.CurrentKeyEvent; if (event) { var data = { shift: e.shiftKey, ctrl: e.ctrlKey, alt: e.altKey }; if (!event(data)) return false; return event(data); } return true; } function KeyboardEvents(e) { e = e || window.event; Client.Keyboard.CurrentKeyEvent = e; switch (e.keyCode) { case 8: return Rise(Client.Keyboard.Backspace); case 9: return Rise(Client.Keyboard.Tab); case 13: return Rise(Client.Keyboard.Enter); case 16: return Rise(Client.Keyboard.Shift); case 17: return Rise(Client.Keyboard.Ctrl); case 18: return Rise(Client.Keyboard.Alt); case 19: return Rise(Client.Keyboard.Pause); case 20: return Rise(Client.Keyboard.CapsLock); case 27: return Rise(Client.Keyboard.Esc); case 33: return Rise(Client.Keyboard.PageUp); case 34: return Rise(Client.Keyboard.PageDown); case 35: return Rise(Client.Keyboard.End); case 36: return Rise(Client.Keyboard.Home); case 37: return Rise(Client.Keyboard.Left); case 38: return Rise(Client.Keyboard.Up); case 39: return Rise(Client.Keyboard.Right); case 40: return Rise(Client.Keyboard.Down); case 44: return Rise(Client.Keyboard.PrtScr); case 45: return Rise(Client.Keyboard.Insert); case 46: return Rise(Client.Keyboard.Delete); ////////////////////////////////////////////////////////////////////////////////////////////////// case 48: return Rise(Client.Keyboard.Num0); case 49: return Rise(Client.Keyboard.Num1); case 50: return Rise(Client.Keyboard.Num2); case 51: return Rise(Client.Keyboard.Num3); case 52: return Rise(Client.Keyboard.Num4); case 53: return Rise(Client.Keyboard.Num5); case 54: return Rise(Client.Keyboard.Num6); case 55: return Rise(Client.Keyboard.Num7); case 56: return Rise(Client.Keyboard.Num8); case 57: return Rise(Client.Keyboard.Num9); ////////////////////////////////////////////////////////////////////////////////////////////////// case 65: return Rise(Client.Keyboard.A); case 66: return Rise(Client.Keyboard.B); case 67: return Rise(Client.Keyboard.C); case 68: return Rise(Client.Keyboard.D); case 69: return Rise(Client.Keyboard.E); case 70: return Rise(Client.Keyboard.F); case 71: return Rise(Client.Keyboard.G); case 72: return Rise(Client.Keyboard.H); case 73: return Rise(Client.Keyboard.I); case 74: return Rise(Client.Keyboard.J); case 75: return Rise(Client.Keyboard.K); case 76: return Rise(Client.Keyboard.L); case 77: return Rise(Client.Keyboard.M); case 78: return Rise(Client.Keyboard.N); case 79: return Rise(Client.Keyboard.O); case 80: return Rise(Client.Keyboard.P); case 81: return Rise(Client.Keyboard.Q); case 82: return Rise(Client.Keyboard.R); case 83: return Rise(Client.Keyboard.S); case 84: return Rise(Client.Keyboard.T); case 85: return Rise(Client.Keyboard.U); case 86: return Rise(Client.Keyboard.V); case 87: return Rise(Client.Keyboard.W); case 88: return Rise(Client.Keyboard.X); case 89: return Rise(Client.Keyboard.Y); case 90: return Rise(Client.Keyboard.Z); //////////////////////////////////////////////////////////////////////////// case 91: //case 219: // opera return Rise(Client.Keyboard.LeftWindow); case 92: return Rise(Client.Keyboard.RightWindow); case 93: return Rise(Client.Keyboard.ContextMenu); //////////////////////////////////////////////////////////////////////////// case 96: return Rise(Client.Keyboard.NumPad0); case 97: return Rise(Client.Keyboard.NumPad1); case 98: return Rise(Client.Keyboard.NumPad2); case 99: return Rise(Client.Keyboard.NumPad3); case 100: return Rise(Client.Keyboard.NumPad4); case 101: return Rise(Client.Keyboard.NumPad5); case 102: return Rise(Client.Keyboard.NumPad6); case 103: return Rise(Client.Keyboard.NumPad7); case 104: return Rise(Client.Keyboard.NumPad8); case 105: return Rise(Client.Keyboard.NumPad9); //////////////////////////////////////////////////////////////////////////// case 106: return Rise(Client.Keyboard.Multiply); case 107: return Rise(Client.Keyboard.Add); case 109: return Rise(Client.Keyboard.Subtract); case 110: return Rise(Client.Keyboard.DecimalPoint); case 111: return Rise(Client.Keyboard.Divide); //////////////////////////////////////////////////////////////////////////// case 112: return Rise(Client.Keyboard.F1); case 113: return Rise(Client.Keyboard.F2); case 114: return Rise(Client.Keyboard.F3); case 115: return Rise(Client.Keyboard.F4); case 116: return Rise(Client.Keyboard.F5); case 117: return Rise(Client.Keyboard.F6); case 118: return Rise(Client.Keyboard.F7); case 119: return Rise(Client.Keyboard.F8); case 120: return Rise(Client.Keyboard.F9); case 121: return Rise(Client.Keyboard.F10); case 122: return Rise(Client.Keyboard.F11); case 123: return Rise(Client.Keyboard.F12); //////////////////////////////////////////////////////////////////////////// case 144: return Rise(Client.Keyboard.NumLock); case 145: return Rise(Client.Keyboard.ScrollLock); case 186: case 59: // opera & firefox return Rise(Client.Keyboard.SemiColon); case 187: case 61: // opera //case 107: //firefox return Rise(Client.Keyboard.Equal); case 188: return Rise(Client.Keyboard.Camma); case 189: return Rise(Client.Keyboard.Dash); case 190: return Rise(Client.Keyboard.Period); case 191: return Rise(Client.Keyboard.Slash); case 192: return Rise(Client.Keyboard.GraveAccent); case 219: return Rise(Client.Keyboard.OpenBracket); case 220: return Rise(Client.Keyboard.BackSlash); case 221: return Rise(Client.Keyboard.CloseBracket); case 222: return Rise(Client.Keyboard.SingleQuote); } };
// ctrl + s Client.Keyboard.S = function (e) { if (e.ctrl) { // انجام عملیات موردنظر } return true; }
import { Component } from '@angular/core'; import '../../public/css/styles.css'; @Component({ selector: 'my-app', template: require('./app.component.html'), styles: [require('./app.component.css')] }) export class AppComponent { }