ASP.Net/Language Basics/Try Catch

Материал из .Net Framework эксперт
Перейти к: навигация, поиск

Catch Page Exception

   <source lang="csharp">

<%@ Page Language=VB Debug=true %> <script runat=server> Sub SubmitBtn_Click(Sender As Object, E As EventArgs) 

   Try
       Dim TempResult as Integer
       TempResult = txtNumber1.Text / txtNumber2.Text
       lblResult.Text = "Result: " & TempResult
   Catch TheException as Exception
       lblResult.Text = "Error occured: " _
           & TheException.ToString()
   Finally
       lblResult.Text = lblResult.Text _
           & "
Done."
   End Try

End Sub </SCRIPT> <HTML> <HEAD> <TITLE>Try</TITLE> </HEAD> <BODY TEXT="black" LINK="darkred" VLINK="darkred" ALINK="red" LEFTMARGIN="40" TOPMARGIN="60"> <form runat="server"> <asp:Label 

   id="lblMessage1"
   runat="Server"
   Text="Enter a Number"

/>
<asp:TextBox 

   id="txtNumber1"
   runat="Server"

/>

<asp:Label 

   id="lblMessage2"
   runat="Server"
   Text="Enter another Number"

/>
<asp:TextBox 

   id="txtNumber2"
   runat="Server"

/>

<asp:Label 

   id="lblResult"
   runat="Server"
   Text="Result: "

/>
<asp:Button 

   id="butOK"
   text="  Go  "
   Type="Submit"
   OnClick="SubmitBtn_Click" 
   runat="server"

/> </Form> </BODY> </HTML> 

      </source>
Источник — «http://nfex.ru/index.php?title=ASP.Net/Language_Basics/Try_Catch&oldid=2222»