.NET Framework 4.6 and 4.5
Gets the exception (if any) that was raised during the delete operation.
Assembly: System.Web (in System.Web.dll)
Use theproperty to determine the exception (if any) that was raised during the delete operation. If no exceptions were raised, this property returns null.
The following example demonstrates how to use theproperty to determine whether an exception occurred during a delete operation.
<%@ Page language="VB" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> Sub EmployeeFormView_ItemDeleted(ByVal sender As Object, ByVal e As FormViewDeletedEventArgs) Handles EmployeeFormView.ItemDeleted ' Use the Exception property to determine whether an exception ' occurred during the delete operation. If e.Exception Is Nothing Then ' Use the AffectedRows property to determine whether the ' record was deleted. Sometimes an error might occur that ' does not raise an exception, but prevents the delete ' operation from completing. If e.AffectedRows = 1 Then MessageLabel.Text = "Record deleted successfully." Else MessageLabel.Text = "An error occurred during the delete operation." End If Else ' Insert the code to handle the exception. MessageLabel.Text = e.Exception.Message ' Use the ExceptionHandled property to indicate that the ' exception has already been handled. e.ExceptionHandled = True End If End Sub </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server"> <title>FormViewDeletedEventArgs Example</title> </head> <body> <form id="form1" runat="server"> <h3>FormViewDeletedEventArgs Example</h3> <asp:formview id="EmployeeFormView" datasourceid="EmployeeSource" allowpaging="true" datakeynames="EmployeeID" runat="server"> <itemtemplate> <table> <tr> <td> <asp:image id="EmployeeImage" imageurl='<%# Eval("PhotoPath") %>' alternatetext='<%# Eval("LastName") %>' runat="server"/> </td> <td> <h3><%# Eval("FirstName") %> <%# Eval("LastName") %></h3> <%# Eval("Title") %> </td> </tr> <tr> <td colspan="2"> <asp:button id="DeleteButton" text="Delete Record" commandname="Delete" runat="server" /> </td> </tr> </table> </itemtemplate> </asp:formview> <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="EmployeeSource" selectcommand="Select [EmployeeID], [LastName], [FirstName], [Title], [PhotoPath] From [Employees]" deletecommand="Delete [Employees] Where [EmployeeID]=@EmployeeID" connectionstring="<%$ ConnectionStrings:NorthWindConnectionString%>" runat="server"/> </form> </body> </html>
Available since 2.0
Available since 2.0
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