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DetailsViewDeletedEventHandler, délégué
Espace de noms : System.Web.UI.WebControls
Assembly : System.Web (dans System.Web.dll)
public delegate void DetailsViewDeletedEventHandler( Object sender, DetailsViewDeletedEventArgs e )
Paramètres
- sender
- Type : System.Object
Source de l'événement.
- e
- Type : System.Web.UI.WebControls.DetailsViewDeletedEventArgs
DetailsViewDeletedEventArgs qui contient les données d'événement.
<%@ page language="C#"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <script runat="server"> void Page_Load(Object sender, EventArgs e) { // Create a new DetailsView object. DetailsView customerDetailsView = new DetailsView(); // Set the DetailsView object's properties. customerDetailsView.ID = "CustomerDetailsView"; customerDetailsView.DataSourceID = "DetailsViewSource"; customerDetailsView.AutoGenerateRows = true; customerDetailsView.AutoGenerateDeleteButton = true; customerDetailsView.AllowPaging = true; customerDetailsView.PagerSettings.Mode = PagerButtons.NextPrevious; customerDetailsView.DataKeyNames = new String[1] { "CustomerID" }; // Programmatically register the event-handling method // for the ItemDeleted event of a DetailsView control. customerDetailsView.ItemDeleted += new DetailsViewDeletedEventHandler( this.CustomerDetailView_ItemDeleted); // Add the DetailsView object to the Controls collection // of the PlaceHolder control. DetailsViewPlaceHolder.Controls.Add(customerDetailsView); } void CustomerDetailView_ItemDeleted(Object sender, DetailsViewDeletedEventArgs e) { // Use the Exception property to determine whether an exception // occurred during the delete operation. if (e.Exception == null) { // Use the AffectedRows property to determine the numbers of // rows affected by the delete operation. if (e.AffectedRows == 1) { MessageLabel.Text = e.AffectedRows.ToString() + " record deleted successfully."; } else { MessageLabel.Text = e.AffectedRows.ToString() + " records deleted successfully."; } } else { // Insert the code to handle the exception. MessageLabel.Text = e.Exception.Message; // Use the ExceptionHandled property to indicate that the // exception is already handled. e.ExceptionHandled = true; } } </script> <head runat="server"> <title>DetailsViewDeletedEventHandler Example</title> </head> <body> <form id="form1" runat="server"> <h3>DetailsViewDeletedEventHandler Example</h3> <!-- Use a PlaceHolder control as the container for the --> <!-- dynamically generated DetailsView control. --> <asp:PlaceHolder id="DetailsViewPlaceHolder" runat="server"/> <br/><br/> <asp:label id="MessageLabel" forecolor="Red" runat="server"/> <!-- This example uses Microsoft SQL Server and connects --> <!-- to the Northwind sample database. Use an ASP.NET --> <!-- expression to retrieve the connection string value --> <!-- from the web.config file. --> <asp:sqldatasource id="DetailsViewSource" selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]" deletecommand="Delete [Customers] Where [CustomerID]=@CustomerID" connectionstring= "<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"/> </form> </body> </html>
<%@ page language="C#"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <script runat="server"> void CustomerDetailView_ItemDeleted(Object sender, DetailsViewDeletedEventArgs e) { // Use the Exception property to determine whether an exception // occurred during the delete operation. if (e.Exception == null) { // Use the AffectedRows property to determine the numbers of // rows affected by the delete operation. if (e.AffectedRows == 1) { MessageLabel.Text = e.AffectedRows.ToString() + " record deleted successfully."; } else { MessageLabel.Text = e.AffectedRows.ToString() + " records deleted successfully."; } } else { // Insert the code to handle the exception. MessageLabel.Text = e.Exception.Message; // Use the ExceptionHandled property to indicate that the // exception is already handled. e.ExceptionHandled = true; } } </script> <head runat="server"> <title>DetailsViewDeletedEventHandler Example</title> </head> <body> <form id="form1" runat="server"> <h3>DetailsViewDeletedEventHandler Example</h3> <asp:detailsview id="CustomerDetailsView" datasourceid="DetailsViewSource" autogeneraterows="true" autogeneratedeletebutton="true" allowpaging="true" datakeynames="CustomerID" runat="server"> <pagersettings mode="NextPrevious"/> </asp:detailsview> <br/><br/> <asp:label id="MessageLabel" forecolor="Red" runat="server"/> <!-- This example uses Microsoft SQL Server and connects --> <!-- to the Northwind sample database. Use an ASP.NET --> <!-- expression to retrieve the connection string value --> <!-- from the web.config file. --> <asp:sqldatasource id="DetailsViewSource" selectcommand="Select [CustomerID], [CompanyName], [Address], [City], [PostalCode], [Country] From [Customers]" deletecommand="Delete [Customers] Where [CustomerID]=@CustomerID" connectionstring= "<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"/> </form> </body> </html>
Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (rôle principal du serveur non pris en charge), Windows Server 2008 R2 (rôle principal du serveur pris en charge avec SP1 ou version ultérieure ; Itanium non pris en charge)
Le .NET Framework ne prend pas en charge toutes les versions de chaque plateforme. Pour obtenir la liste des versions prises en charge, consultez Configuration requise du .NET Framework.
