مراجعه کنید به مبحث «نوشتن HTML Helpers ویژه، به کمک امکانات Razor» در قسمت هشتم سری MVC برای مشاهده توضیحات تکمیلی این روش.
نظرات مطالب
data-val-remote="کلمه عبور وارد شده را راحت می‌توان حدس زد!" data-val-remote-additionalfields="*.Password1" data-val-remote-type="POST" data-val-remote-url="/register/checkpassword"
export class EmailValidatorDirective implements Validator {
export class RemoteValidatorDirective implements AsyncValidator {
validate(c: AbstractControl): Promise<ValidationErrors | null> | Observable<ValidationErrors | null>;
>ng g d CustomValidators/RemoteValidator -m custom-validators.module
import { Directive, Input } from "@angular/core"; import { AsyncValidator, AbstractControl, NG_ASYNC_VALIDATORS } from "@angular/forms"; import { Http, RequestOptions, Response, Headers } from "@angular/http"; import "rxjs/add/operator/map"; import "rxjs/add/operator/distinctUntilChanged"; import "rxjs/add/operator/takeUntil"; import "rxjs/add/operator/take"; import { Observable } from "rxjs/Observable"; import { Subject } from "rxjs/Subject"; @Directive({ selector: "[appRemoteValidator][formControlName],[appRemoteValidator][formControl],[appRemoteValidator][ngModel]", providers: [ { provide: NG_ASYNC_VALIDATORS, useExisting: RemoteValidatorDirective, multi: true } ] }) export class RemoteValidatorDirective implements AsyncValidator { @Input("remote-url") remoteUrl: string; @Input("remote-field") remoteField: string; @Input("remote-additional-fields") remoteAdditionalFields: string; constructor(private http: Http) {} validate(control: AbstractControl): Observable<{ [key: string]: any }> { if (!this.remoteUrl || this.remoteUrl === undefined) { return Observable.throw("`remoteUrl` is undefined."); } if (!this.remoteField || this.remoteField === undefined) { return Observable.throw("`remoteField` is undefined."); } const dataObject = {}; if ( this.remoteAdditionalFields && this.remoteAdditionalFields !== undefined ) { const otherFields = this.remoteAdditionalFields.split(","); otherFields.forEach(field => { const name = field.trim(); const otherControl = control.root.get(name); if (otherControl) { dataObject[name] = otherControl.value; } }); } // This is used to signal the streams to terminate. const changed$ = new Subject<any>(); changed$.next(); // This will signal the previous stream (if any) to terminate. const debounceTime = 400; return new Observable((obs: any) => { control.valueChanges .takeUntil(changed$) .take(1) .debounceTime(debounceTime) .distinctUntilChanged() .flatMap(term => { dataObject[this.remoteField] = term; return this.doRemoteValidation(dataObject); }) .subscribe( (result: IRemoteValidationResult) => { if (result.result) { obs.next(null); } else { obs.next({ remoteValidation: { remoteValidationMessage: result.message } }); } obs.complete(); }, error => { obs.next(null); obs.complete(); } ); }); } private doRemoteValidation(data: any): Observable<IRemoteValidationResult> { const headers = new Headers({ "Content-Type": "application/json" }); // for ASP.NET MVC const options = new RequestOptions({ headers: headers }); return this.http .post(this.remoteUrl, JSON.stringify(data), options) .map(this.extractData) .do(result => console.log("remoteValidation result: ", result)) .catch(this.handleError); } private extractData(res: Response): IRemoteValidationResult { const body = <IRemoteValidationResult>res.json(); return body || (<IRemoteValidationResult>{}); } private handleError(error: Response): Observable<any> { console.error("observable error: ", error); return Observable.throw(error.statusText); } } export interface IRemoteValidationResult { result: boolean; message: string; }
@Directive({ selector: "[appRemoteValidator][formControlName],[appRemoteValidator][formControl],[appRemoteValidator][ngModel]", providers: [ { provide: NG_ASYNC_VALIDATORS, useExisting: RemoteValidatorDirective, multi: true } ] })
export class RemoteValidatorDirective implements AsyncValidator { @Input("remote-url") remoteUrl: string; @Input("remote-field") remoteField: string; @Input("remote-additional-fields") remoteAdditionalFields: string;
<input #username="ngModel" required maxlength="8" minlength="4" type="text" appRemoteValidator [remote-url]="remoteUsernameValidationUrl" remote-field="FirstName" remote-additional-fields="email,password" class="form-control" name="username" [(ngModel)]="model.username">
export class UserRegisterComponent implements OnInit { remoteUsernameValidationUrl = "api/Employee/CheckUser";
[remote-field]="'FirstName'"
export interface IRemoteValidationResult { result: boolean; message: string; }
namespace AngularTemplateDrivenFormsLab.Controllers { [Route("api/[controller]")] public class EmployeeController : Controller { [HttpPost("[action]")] [ResponseCache(Location = ResponseCacheLocation.None, NoStore = true)] public IActionResult CheckUser([FromBody] Employee model) { var remoteValidationResult = new { result = true, message = $"{model.FirstName} is fine!" }; if (model.FirstName?.Equals("Vahid", StringComparison.OrdinalIgnoreCase) ?? false) { remoteValidationResult = new { result = false, message = "username:`Vahid` is already taken." }; } return Json(remoteValidationResult); } } }
<div class="form-group" [class.has-error]="username.invalid && username.touched"> <label class="control-label">User Name</label> <input #username="ngModel" required maxlength="8" minlength="4" type="text" appRemoteValidator [remote-url]="remoteUsernameValidationUrl" remote-field="FirstName" remote-additional-fields="email,password" class="form-control" name="username" [(ngModel)]="model.username"> <div *ngIf="username.pending" class="alert alert-warning"> Checking server, Please wait ... </div> <div *ngIf="username.invalid && username.touched"> <div class="alert alert-danger" *ngIf="username.errors.remoteValidation"> {{username.errors.remoteValidation.remoteValidationMessage}} </div> </div> </div>
obs.next({ remoteValidation: { remoteValidationMessage: result.message } });
// This is used to signal the streams to terminate. const changed$ = new Subject<any>(); changed$.next(); // This will signal the previous stream (if any) to terminate. const debounceTime = 400; return new Observable((obs: any) => { control.valueChanges .takeUntil(changed$) .take(1) .debounceTime(debounceTime) .distinctUntilChanged()
<system.webServer> <handlers> <add name="aspNetCore" path="*" verb="*" modules="AspNetCoreModule" resourceType="Unspecified" /> </handlers> <aspNetCore processPath="dotnet" arguments=".\MyApp.dll" stdoutLogEnabled="true" stdoutLogFile=".\logs\stdout" forwardWindowsAuthToken="true" /> </system.webServer>
Right click on the folder -> Properties -> Security tab -> Click at Edit button -> Enter `IIS AppPool\DefaultAppPool` user (IIS AppPool\<app_pool_name>) -> Click at Check names -> OK -> Then give it `read & execute` or other permissions.
"Console": { "LogLevel": { "Default": "Information" } }
Application ‘<IIS path>’ with physical root ‘<Application path>’ failed to start process with commandline ‘”dotnet” .\MyApp.dll’, ErrorCode = ‘0x80004005 : 80008083.
HTTP Error 500.19 - Internal Server Error The requested page cannot be accessed because the related configuration data for the page is invalid.
The Module DLL C:\WINDOWS\system32\inetsrv\aspnetcore.dll failed to load. The data is the error.
public void SqlDataReader(string connectionString, string sql, params object[] parametersValues) //.mdb or .accdb files public void AccessDataReader(string filePath, string password, string sql, params object[] parametersValues) public void OdbcDataReader(string connectionString, string sql, params object[] parametersValues)
public void GenericDataReader(string providerName, string connectionString, string sql, params object[] parametersValues)
using System; using PdfRpt.Core.Contracts; using PdfRpt.Core.Helper; using PdfRpt.FluentInterface; namespace PdfReportSamples.SQLiteDataReader { public class SQLiteDataReaderPdfReport { public IPdfReportData CreatePdfReport() { return new PdfReport().DocumentPreferences(doc => { doc.RunDirection(PdfRunDirection.RightToLeft); doc.Orientation(PageOrientation.Portrait); doc.PageSize(PdfPageSize.A4); doc.DocumentMetadata(new DocumentMetadata { Author = "Vahid", Application = "PdfRpt", Keywords = "Test", Subject = "Test Rpt", Title = "Test" }); }) .DefaultFonts(fonts => { fonts.Path(AppPath.ApplicationPath + "\\fonts\\irsans.ttf", Environment.GetEnvironmentVariable("SystemRoot") + "\\fonts\\verdana.ttf"); }) .PagesFooter(footer => { footer.DefaultFooter(DateTime.Now.ToString("MM/dd/yyyy")); }) .PagesHeader(header => { header.DefaultHeader(defaultHeader => { defaultHeader.RunDirection(PdfRunDirection.RightToLeft); defaultHeader.ImagePath(AppPath.ApplicationPath + "\\Images\\01.png"); defaultHeader.Message("گزارش جدید ما"); }); }) .MainTableTemplate(template => { template.BasicTemplate(BasicTemplate.SilverTemplate); }) .MainTablePreferences(table => { table.ColumnsWidthsType(TableColumnWidthType.Relative); table.NumberOfDataRowsPerPage(5); }) .MainTableDataSource(dataSource => { dataSource.GenericDataReader( providerName: "System.Data.SQLite", connectionString: "Data Source=" + AppPath.ApplicationPath + "\\data\\blogs.sqlite", sql: @"SELECT [url], [name], [NumberOfPosts], [AddDate] FROM [tblBlogs] WHERE [NumberOfPosts]>=@p1", parametersValues: new object[] { 10 } ); }) .MainTableSummarySettings(summarySettings => { summarySettings.OverallSummarySettings("جمع کل"); summarySettings.PreviousPageSummarySettings("نقل از صفحه قبل"); summarySettings.PageSummarySettings("جمع صفحه"); }) .MainTableColumns(columns => { columns.AddColumn(column => { column.PropertyName("rowNo"); column.IsRowNumber(true); column.CellsHorizontalAlignment(HorizontalAlignment.Center); column.IsVisible(true); column.Order(0); column.Width(1); column.HeaderCell("ردیف"); }); columns.AddColumn(column => { column.PropertyName("url"); column.CellsHorizontalAlignment(HorizontalAlignment.Center); column.IsVisible(true); column.Order(1); column.Width(2); column.HeaderCell("آدرس"); column.ColumnItemsTemplate(template => { template.Hyperlink(foreColor: System.Drawing.Color.Blue, fontUnderline: true); }); }); columns.AddColumn(column => { column.PropertyName("name"); column.CellsHorizontalAlignment(HorizontalAlignment.Center); column.IsVisible(true); column.Order(2); column.Width(2); column.HeaderCell("نام"); }); columns.AddColumn(column => { column.PropertyName("NumberOfPosts"); column.CellsHorizontalAlignment(HorizontalAlignment.Center); column.IsVisible(true); column.Order(3); column.Width(2); column.HeaderCell("تعداد مطلب"); column.ColumnItemsTemplate(template => { template.TextBlock(); template.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj)); }); column.AggregateFunction(aggregateFunction => { aggregateFunction.NumericAggregateFunction(AggregateFunction.Sum); aggregateFunction.DisplayFormatFormula(obj => obj == null ? string.Empty : string.Format("{0:n0}", obj)); }); }); columns.AddColumn(column => { column.PropertyName("AddDate"); column.CellsHorizontalAlignment(HorizontalAlignment.Center); column.IsVisible(true); column.Order(4); column.Width(2); column.HeaderCell("تاریخ ثبت"); column.ColumnItemsTemplate(template => { template.TextBlock(); template.DisplayFormatFormula(obj => obj == null ? string.Empty : PersianDate.ToPersianDateTime((DateTime)obj) /*((DateTime)obj).ToString("dd/MM/yyyy HH:mm")*/); }); }); }) .MainTableEvents(events => { events.DataSourceIsEmpty(message: "There is no data available to display."); }) .Export(export => { export.ToExcel(); }) .Generate(data => data.AsPdfFile(AppPath.ApplicationPath + "\\Pdf\\RptSqlDataReaderSample.pdf")); } } }
dataSource.GenericDataReader( providerName: "System.Data.SQLite", connectionString: "Data Source=" + AppPath.ApplicationPath + "\\data\\blogs.sqlite", sql: @"SELECT [url], [name], [NumberOfPosts], [AddDate] FROM [tblBlogs] WHERE [NumberOfPosts]>=@p1", parametersValues: new object[] { 10 } );
<?xml version="1.0"?> <configuration> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.0"/> </startup> </configuration>