ASP.Net/Server/Server Error — различия между версиями

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м (1 версия)
 
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Версия 15:30, 26 мая 2010

Examining the Last Error (VB.net)

<%@ Page Language="VB" %>
<html>
<head>
   <title>Examining the Last Error</title>
   <script runat="server">
      Sub CauseError(sender As Object, e As EventArgs)
         Dim x, y, z As Integer
         
         y = 1
         z = 0
         x = y / z
      End Sub
      Sub Page_Error(Source As Object, E As EventArgs)
         Dim LastError As Exception
         Dim ErrMessage As String
         LastError = Server.GetLastError()
         If Not LastError Is Nothing Then
            ErrMessage = LastError.Message
         Else
            ErrMessage = "No Errors"
         End If
         Response.Write("Last Error = " & ErrMessage & "<br/><br/>")
         Server.ClearError()
      End Sub
   </script>
</head>
<body>
   <form runat="server">
      <h4><font face="verdana">Cause an Error to Occur...</font></h4>
      <asp:button text="CauseError" OnClick="CauseError" runat="server"/>
   </form>
</body>
</html>



Get last error and clear error stack trace (C#)

<script Language="c#" runat="server">
  void PageLevelErrorTest()
  {
    // Remove opening try
    int[] array = new int[9];
    for(int intCounter=0; intCounter <= 9;intCounter++)
    {
       array[intCounter] = intCounter;
       Response.Write("The value of the counter is:" + intCounter + "<br>");
    }
    // Remove catch and finally blocks
  }
  void Page_Error(object sender, EventArgs e)
  {
    Response.Write("Error occurred: " + Server.GetLastError().ToString());
    Server.ClearError();
  }
  void Page_Load()
  {
    PageLevelErrorTest();
  }
</script>
<%
  Response.Write("Function call completed" + "<br>");
%>



Get string format server string (VB.net)

<%@ Page Language="vb" %>
<html>
   <head>
      <title>Error event example</title>
      <script runat="server">
         Sub Page_Load()
            Dim x, y, overflow As Integer
            x = 1
            y = 0
            overflow = x / y
         End Sub
         Sub Page_Error()
            Response.Write(Server.GetLastError.ToString())
            Server.ClearError
         End Sub
      </script>
   </head>
<body>
   <asp:label id="Message" runat="server"/>
</body>
</html>



Server.ClearError (VB.net)

<%@ Page Language="vb" %>
<html>
   <head>
      <title>Error event example</title>
      <script runat="server">
         Sub Page_Load()
            Dim x, y, overflow As Integer
            x = 1
            y = 0
            overflow = x / y
         End Sub
         Sub Page_Error()
            Response.Write(Server.GetLastError.ToString())
            Server.ClearError
         End Sub
      </script>
   </head>
<body>
   <asp:label id="Message" runat="server"/>
</body>
</html>
Источник — «http://nfex.ru/index.php?title=ASP.Net/Server/Server_Error&oldid=2407»