AJAX :: Html Post Not Working When Script Manager Is Present On Page

Jan 4, 2011

Tried quite a few things, but cannot make it work. Solution probably a simple switch that has to be set somewhere.

We simply want to set the text properties of two literals. One literal will constitute the form, the other some js code.

</div></center>
</form>
<asp:Literal id="ctlForm" runat="server"></asp:Literal>
<asp:Literal id="ctlPostScript" runat="server"></asp:Literal>
</body>
</html>

In the code behind these literals are populated, the form literal holds a couple of fields, the script literal looks like this:

StringBuilder strScript = new StringBuilder();
strScript.Append("<script language='javascript'>");
strScript.Append("var ctlForm = document.forms.namedItem('{0}');");
strScript.Append("ctlForm.submit();");
strScript.Append("</script>");
ctlPostScript.Text = strJS2; //where strJS2 is the string being returned by the stringbuilder

This is executed when a certain button is pressed. The purpose is to redirect to another site.

This works fine as long as no AJAX is used.

However as soon as AJAX is added, in particular as soon as the script manager is added with partial rendering set to TRUE:

<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true">
</asp:ScriptManager>

then this stops working. The code in the button is still executed, we checked that, the literals get the right text properties. It appears however that the javascript is not executed. Nothing happens, no redirection.

the problem can be overcome by settin the script manager partial rendering to false, however, when this is done, much of the AJAX functionality stops working.

We think it may have to do with registering the script with the script manager. We tried this:

ClientScript.RegisterStartupScript(this.GetType(), "JSScript", strJS2);//done before setting the text property of the literal

But to no avail.

Anybody has seen this before and knows how its done right?

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