using System;
using System.ComponentModel.DataAnnotations;
namespace MvcApplication9.Models
{
public class Customer
{
public int Id { set; get; }
[Required(ErrorMessage = "Name is required.")]
[StringLength(50)]
public string Name { set; get; }
[Display(Name = "Email address")]
[Required(ErrorMessage = "Email address is required.")]
[RegularExpression(@"\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*",
ErrorMessage = "Please enter a valid email address.")]
public string Email { set; get; }
[Range(0, 10)]
[Required(ErrorMessage = "Rating is required.")]
public double Rating { set; get; }
[Display(Name = "Start date")]
[Required(ErrorMessage = "Start date is required.")]
public DateTime StartDate { set; get; }
}
}
using System.Web.Mvc;
using MvcApplication9.Models;
namespace MvcApplication9.Controllers
{
public class CustomerController : Controller
{
[HttpGet]
public ActionResult Create()
{
var customer = new Customer();
return View(customer);
}
[HttpPost]
public ActionResult Create(Customer customer)
{
if (this.ModelState.IsValid)
{
//todo: save data
return Redirect("/");
}
return View(customer);
}
}
}
<appSettings>
<add key="ClientValidationEnabled" value="true"/>
@{ Html.EnableClientValidation(false); }
<script src="@Url.Content("~/Scripts/jquery.validate.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.validate.unobtrusive.min.js")" type="text/javascript"></script>
@using (Html.BeginForm()) {
@Html.ValidationSummary(true)
<fieldset>
<legend>Customer</legend>
<div class="editor-label">
@Html.LabelFor(model => model.Name)
</div>
<div class="editor-field">
@Html.EditorFor(model => model.Name)
@Html.ValidationMessageFor(model => model.Name)
</div>
<input data-val="true" data-val-required="The Birthday field is required." id="Birthday" name="Birthday" type="text" value="" />
<script src="../../Scripts/customvaildation.js" type="text/javascript"></script>
using System;
using System.ComponentModel.DataAnnotations;
namespace MvcApplication9.CustomValidators
{
public class MyDateValidator : ValidationAttribute
{
public int MinYear { set; get; }
public override bool IsValid(object value)
{
if (value == null) return false;
var date = (DateTime)value;
if (date > DateTime.Now || date < new DateTime(MinYear, 1, 1))
return false;
return true;
}
}
}
[Display(Name = "Start date")]
[Required(ErrorMessage = "Start date is required.")]
[MyDateValidator(MinYear = 2000,
ErrorMessage = "Please enter a valid date.")]
public DateTime StartDate { set; get; }
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using MvcApplication9.CustomValidators;
namespace MvcApplication9.Models
{
public class Customer : IValidatableObject
{
//... same as before
public IEnumerable<ValidationResult> Validate(ValidationContext validationContext)
{
var fields = new[] { "StartDate" };
if (StartDate > DateTime.Now || StartDate < new DateTime(2000, 1, 1))
yield return new ValidationResult("Please enter a valid date.", fields);
if (Rating > 4 && StartDate < new DateTime(2003, 1, 1))
yield return new ValidationResult("Accepted date should be greater than 2003", fields);
}
}
}
protected override ValidationResult IsValid(object value, ValidationContext validationContext)
{
var info = validationContext.ObjectType.GetProperty("Rating");
//...
return ValidationResult.Success;
}
using System;
using System.ComponentModel.DataAnnotations;
using System.Web.Mvc;
using System.Collections.Generic;
namespace MvcApplication9.CustomValidators
{
public class MyDateValidator : ValidationAttribute, IClientValidatable
{
// ... same as before
public IEnumerable<ModelClientValidationRule> GetClientValidationRules(
ModelMetadata metadata,
ControllerContext context)
{
var rule = new ModelClientValidationRule
{
ValidationType = "mydatevalidator",
ErrorMessage = FormatErrorMessage(metadata.GetDisplayName())
};
yield return rule;
}
}
}
/// <reference path="jquery-1.5.1-vsdoc.js" />
/// <reference path="jquery.validate-vsdoc.js" />
/// <reference path="jquery.validate.unobtrusive.js" />
jQuery.validator.addMethod("mydatevalidator",
function (value, element, param) {
return Date.parse(value) < new Date();
});
jQuery.validator.unobtrusive.adapters.addBool("mydatevalidator");
<script src="@Url.Content("~/Scripts/customvaildation.js")" type="text/javascript"></script>
1. .field-validation-error
2. .field-validation-valid
3. .input-validation-error
4. .input-validation-valid
5. .validation-summary-errors
6. .validation-summary-valid
[MetadataType(typeof(CustomerMetadata))]
public partial class Customer
{
class CustomerMetadata
{
}
}
public partial class Customer : IValidatableObject
{
[Required(ErrorMessage = "Name is required.")]
[StringLength(50)]
[System.Web.Mvc.Remote(action: "CheckUserNameAndEmail",
controller: "Customer",
AdditionalFields = "Email",
HttpMethod = "POST",
ErrorMessage = "Username is not available.")]
public string Name { set; get; }
[HttpPost]
[OutputCache(Location = OutputCacheLocation.None, NoStore = true)]
public ActionResult CheckUserNameAndEmail(string name, string email)
{
if (name.ToLowerInvariant() == "vahid") return Json(false);
if (email.ToLowerInvariant() == "name@site.com") return Json(false);
//...
return Json(true);
}
using System.ComponentModel.DataAnnotations;
namespace MvcApplication9.Helper
{
public static class ValidationHelper
{
public static bool TryValidateObject(this object instance)
{
return Validator.TryValidateObject(instance, new ValidationContext(instance, null, null), null);
}
}
}
using System;
using System.Net;
using System.Web.Mvc;
namespace MvcApplication28.Helpers
{
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Method, Inherited = true, AllowMultiple = true)]
public sealed class SiteAuthorizeAttribute : AuthorizeAttribute
{
protected override void HandleUnauthorizedRequest(AuthorizationContext filterContext)
{
if (filterContext.HttpContext.Request.IsAuthenticated)
{
throw new UnauthorizedAccessException(); //to avoid multiple redirects
}
else
{
handleAjaxRequest(filterContext);
base.HandleUnauthorizedRequest(filterContext);
}
}
private static void handleAjaxRequest(AuthorizationContext filterContext)
{
var ctx = filterContext.HttpContext;
if (!ctx.Request.IsAjaxRequest())
return;
ctx.Response.StatusCode = (int)HttpStatusCode.Forbidden;
ctx.Response.End();
}
}
}
using System.Web.Mvc;
using MvcApplication28.Helpers;
namespace MvcApplication28.Controllers
{
public class HomeController : Controller
{
public ActionResult Index()
{
return View();
}
[SiteAuthorize]
[HttpPost]
public ActionResult SaveData(string data)
{
if(string.IsNullOrWhiteSpace(data))
return Content("NOk!");
return Content("Ok!");
}
}
}
@{
ViewBag.Title = "Index";
var postUrl = this.Url.Action(actionName: "SaveData", controllerName: "Home");
}
<h2>
Index</h2>
@using (Html.BeginForm(actionName: "SaveData", controllerName: "Home",
method: FormMethod.Post, htmlAttributes: new { id = "form1" }))
{
@Html.TextBox(name: "data")
<br />
<span id="btnSave">Save Data</span>
}
@section Scripts
{
<script type="text/javascript">
$(document).ready(function () {
$("#btnSave").click(function (event) {
$.ajax({
type: "POST",
url: "@postUrl",
data: $("#form1").serialize(),
// controller is returning a simple text, not json
complete: function (xhr, status) {
var data = xhr.responseText;
if (xhr.status == 403) {
window.location = "/login";
}
}
});
});
});
</script>
}
filterContext.Result = new JavaScriptResult { Script="window.location = '" + redirectToUrl + "'"};
class Tweet {
state = {};
render() {
}
} > npm install -g npm@latest
> npm i -g create-react-app
> npm i -g typescript eslint tslint eslint-plugin-react-hooks
> create-react-app sample-01
> cd sample-01 > npm start
"files.exclude": {
"**/.git": true,
"**/.svn": true,
"**/.hg": true,
"**/CVS": true,
"**/.DS_Store": true,
"**/node_modules": true,
"**/wwwroot": true,
"**/bower_components": true,
"**/**/bin": true,
"**/**/obj": true,
"**/packages": true
}, <body>
<noscript>You need to enable JavaScript to run this app.</noscript>
<div id="root"></div> return (
<div className="App">
<header className="App-header">
...
</header>
</div>
); const element = <h1>Hello World!</h1>;
"use strict";
var element = React.createElement("h1", null, "Hello World!"); import React from "react"; const element = <h1>Hello World!</h1>; console.log(element);
import React from "react";
import ReactDOM from "react-dom";
const element = <h1>Hello World!</h1>;
console.log(element);
ReactDOM.render(element, document.getElementById("root")); 
{
"name": "sample-01",
"version": "0.1.0",
"private": true,
"dependencies": {
"react": "^16.11.0",
"react-dom": "^16.11.0",
"react-scripts": "3.2.0"
},
"scripts": {
"start": "react-scripts start",
"build": "react-scripts build",
"test": "react-scripts test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version"
]
}
} اگر در حین کار با nuget و صدور فرمان update-package آن، nuget مدام هنگ میکند، مشکل از تداخل ReSharper با آن است. از طریق منوی Tools | Options | ReSharper میتوان ReSharper را به صورت موقت غیرفعال کرد.
