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- <%@ 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">
- protected void Button1_Click(object sender, EventArgs e)
- {
- try
- {
- int a = Int32.Parse(TextBox1.Text);
- int b = Int32.Parse(TextBox2.Text);
- int res = a / b;
- Label1.Text = res.ToString();
- }
- catch (Exception ex)
- {
- if (TextBox1.Text.Length > 0 && TextBox2.Text.Length > 0)
- {
- ex.Data["ExtraInfo"] = " You can't divide " +
- TextBox1.Text + " by " + TextBox2.Text + ".";
- }
- throw ex;
- }
- }
- protected void ScriptManager1_AsyncPostBackError(object sender, AsyncPostBackErrorEventArgs e)
- {
- if (e.Exception.Data["ExtraInfo"] != null)
- {
- ScriptManager1.AsyncPostBackErrorMessage =
- e.Exception.Message +
- e.Exception.Data["ExtraInfo"].ToString();
- }
- else
- {
- ScriptManager1.AsyncPostBackErrorMessage =
- "An unspecified error occurred.";
- }
- }
- </script>
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head id="Head1" runat="server">
- <title>UpdatePanel Error Handling Example</title>
- <style type="text/css">
- #UpdatePanel1 {
- width: 200px; height: 50px;
- border: solid 1px gray;
- }
- #AlertDiv{
- left: 40%; top: 40%;
- position: absolute; width: 200px;
- padding: 12px;
- border: #000000 1px solid;
- background-color: white;
- text-align: left;
- visibility: hidden;
- z-index: 99;
- }
- #AlertButtons{
- position: absolute; right: 5%; bottom: 5%;
- }
- </style>
- </head>
- <body id="bodytag">
- <form id="form1" runat="server">
- <div>
- <asp:ScriptManager ID="ScriptManager1"
- OnAsyncPostBackError="ScriptManager1_AsyncPostBackError" runat="server" >
- <Scripts>
- <asp:ScriptReference Path="ErrorHandling.js" />
- </Scripts>
- </asp:ScriptManager>
- <asp:UpdatePanel ID="UpdatePanel1" runat="server">
- <ContentTemplate>
- <asp:TextBox ID="TextBox1" runat="server" Width="39px"></asp:TextBox>
- /
- <asp:TextBox ID="TextBox2" runat="server" Width="39px"></asp:TextBox>
- =
- <asp:Label ID="Label1" runat="server"></asp:Label><br />
- <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="calculate" />
- </ContentTemplate>
- </asp:UpdatePanel>
- <div id="AlertDiv">
- <div id="AlertMessage">
- </div>
- <br />
- <div id="AlertButtons">
- <input id="OKButton" type="button" value="OK" runat="server" onclick="ClearErrorState()" />
- </div>
- </div>
- </div>
- </form>
- </body>
- </html>
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