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Traduzione
Originale
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Enumerazione ButtonType
Assembly: System.Web (in System.Web.dll)
<%@ Page language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> void AuthorsGridView_RowCommand(Object sender, GridViewCommandEventArgs e) { // If multiple ButtonField column fields are used, use the // CommandName property to determine which button was clicked. if(e.CommandName=="Select") { // Convert the row index stored in the CommandArgument // property to an Integer. int index = Convert.ToInt32(e.CommandArgument); // Get the last name of the selected author from the appropriate // cell in the GridView control. GridViewRow selectedRow = AuthorsGridView.Rows[index]; TableCell lastNameCell = selectedRow.Cells[1]; string lastName = lastNameCell.Text; // Display the selected author. Message.Text = "You selected " + lastName + "."; } } void AuthorsGridView_RowCreated(Object sender, GridViewRowEventArgs e) { // The GridViewCommandEventArgs class does not contain a // property that indicates which row's command button was // clicked. To identify which row contains the button // clicked, use the button's CommandArgument property by // setting it to the row's index. if(e.Row.RowType == DataControlRowType.DataRow) { // Retrieve the button control from the first column. // Because the ButtonType property of the column field // is set to ButtonType.Link, the button control must be // cast to a LinkButton. If you specify a different button // type, you must cast the button control to the appropriate // button type. LinkButton selectButton = (LinkButton)e.Row.Cells[0].Controls[0]; // Set the LinkButton's CommandArgument property with the // row's index. selectButton.CommandArgument = e.Row.RowIndex.ToString(); } } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>ButtonType Example</title> </head> <body> <form id="form1" runat="server"> <h3>ButtonType Example</h3> <asp:label id="Message" forecolor="Red" runat="server" AssociatedControlID="AuthorsGridView"/> <!-- Populate the Fields collection declaratively. --> <asp:gridview id="AuthorsGridView" datasourceid="AuthorsSqlDataSource" autogeneratecolumns="false" onrowcommand="AuthorsGridView_RowCommand" runat="server"> <columns> <asp:buttonfield buttontype="Link" commandname="Select" text="Select"/> <asp:boundfield datafield="au_lname" headertext="au_lname"/> <asp:boundfield datafield="au_fname" headertext="au_fname"/> </columns> </asp:gridview> <!-- This example uses Microsoft SQL Server and connects --> <!-- to the Pubs sample database. --> <asp:sqldatasource id="AuthorsSqlDataSource" selectcommand="SELECT [au_lname], [au_fname] FROM [authors]" connectionstring="server=localhost;database=pubs;integrated security=SSPI" runat="server"> </asp:sqldatasource> </form> </body> </html>
Windows 7, Windows Vista SP1 o versione successiva, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (componenti di base del server non supportati), Windows Server 2008 R2 (componenti di base del server supportati con SP1 o versione successiva), Windows Server 2003 SP2
.NET Framework non supporta tutte le versioni di ciascuna piattaforma. Per un elenco delle versioni supportate, vedere Requisiti di sistema di .NET Framework.
