I am using two rad window objects .
<
telerik:RadWindowManager ID="RadWindowManager1" runat="server" Visible="true" ShowContentDuringLoad="false" CssClass="windowcontent"
BackColor="AliceBlue" Skin="IELSkin" EnableEmbeddedSkins="false" ForeColor="#ff0033" VisibleStatusbar="false" Modal="true" ReloadOnShow="true" Behaviors="Resize,Maximize,Close" Width="350px" Height="300px">
<Windows>
<telerik:RadWindow ID="Radwindow1" runat="server" Modal="true" Width="440px" Height="290px" Title ="Upload File" Behavior="Minimize,Reload,Close" ></telerik:RadWindow>
<telerik:RadWindow ID="Radwindow2" runat="server" VisibleStatusbar="false" Modal="true" Width="500px" Height="350px" Title ="Comments" Behavior="Minimize,Reload,Close" ></telerik:RadWindow>
</Windows>
</telerik:RadWindowManager>
After opening both windows i am getting following error
Error: Sys.ArgumentOutOfRangeException: Value must be an integer.
Parameter name: x
Actual value was NaN.
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Yes No
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Due to two windows i am getting this error.
If i used only single window it works fine.
I am opening these windows in following way.
window.radopen(
"Page1.aspx","Radwindow1");
window.radopen("Page2.aspx","Radwindow2");
Thanks