Assigning the Page's Theme Programmatically (VB / C#)
<script runat="server" language="vb">
Protected Sub Page_PreInit(ByVal sender As Object, ByVal e As System.EventArgs)
Page.Theme = Request.QueryString("ThemeChange")
End Sub
</script>
C# version
<script runat="server">
protected void Page_PreInit(object sender, System.EventArgs e)
{
Page.Theme = Request.QueryString["ThemeChange"];
}
</script>
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