PageMethods requires enabling “EnablePageMethods” attribute to true in ScriptManager on your page.
<asp:ScriptManager EnablePageMethods="true" ID="ScriptManager1" runat="server"></asp:ScriptManager>
PageMethods requires enabling “EnablePageMethods” attribute to true in ScriptManager on your page.
<asp:ScriptManager EnablePageMethods="true" ID="ScriptManager1" runat="server"></asp:ScriptManager>