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while hitting ESC key twice when on a page containing an update panel with a any control inside, say textbox or listbox im getting a System.ArgumentException: Invalid postback or callback argument. I have checked in remaining browsers its working fine but in Internet Explorer 8 its creating above said problem.
the possible solution i found, is making EnableEventValidation="false" either at page level or webconfig or disabling escape key. i dont want to go with 2 former solutions as either my site security will compromise and i dont want my escape key to disable.
Any Suggestions/Ideas appreciated.
Code :
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true"
EnablePageMethods="true">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanelHeader" runat="server" UpdateMode="Conditional">
<ContentTemplate>
<div id="Search">
<table style="empty-cells: hide;" width="100%" cellpadding="0" cellspacing="0" class="controlsTable">
<tr>
<td class="td4Caption">
Some Text
</td>
<td class="tdpadding">
<asp:TextBox ID="txtbox" ClientIDMode="Static" runat="server"></asp:TextBox>
</td>
</tr>
<tr>
<td>
<asp:ImageButton SkinID="Export" AlternateText="Generate Report" ToolTip="Generate Report"
ID="ibtnGenerateReport" ValidationGroup="Generate" runat="server" OnClick="ibtnGenerateReport_Click" />
</td>
</tr>
</table>
</div>
</ContentTemplate>
</asp:UpdatePanel>
</form>
</body>
</html>
469
•Another thing you can try is: EnablePartialRendering="false" to asp:ScriptManager
Make sure your site is rendering with the proper compatibility by using "edge": < meta http-equiv="X-UA-Compatible" content="edge" />
If nothing above works, please try controlling the exception handler like this:
http://encosia.com/how-to-improve-aspnet-ajax-error-handling/
111
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