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

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Версия 15:30, 26 мая 2010

Page_Error() method (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>



Page.ErrorPage property (VB.net)

<%@ Page Language="vb" %>
<html>
   <head>
      <title>ErrorPage property example</title>
      <script runat="server">
         Sub Page_Load()
            Page.ErrorPage = Server.MapPath("ErrorPage_Handler.aspx")
            Dim x, y, overflow As Integer
            x = 1
            y = 0
            overflow = x/y
            "This code will not be executed
            Message.Text = "Error Page is " & Page.ErrorPage & "."
         End Sub
      </script>
   </head>
<body>
   <asp:label id="Message" runat="server"/>
</body>
</html>
<%--ErrorPage_Handler.aspx
<%@ Page Language="vb" %>
<html>
   <head>
      <title>ErrorPage property example</title>
      <script runat="server">
         Sub Page_Load()
            Message.Text = "We"re sorry. An error occurred during the processing of your request. Please try again later."
         End Sub
      </script>
   </head>
<body>
   <asp:label id="Message" runat="server"/>
</body>
</html>
--%>



Page level error (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>");
%>
Источник — «http://nfex.ru/index.php?title=ASP.Net/Page/Page_Error&oldid=2247»