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c# - asp.net: Invalid postback or callback argument



Solution:  This  error is occured due to Invalid postback or callback argumnt so to resolve this just Replace your button control with link button control and enjoy


<asp:Button ID="Button_status" runat="server" onclick="Button_status_Click"   Text="Change" />


with the following one


<asp:LinkButton ID="Button_status" onclick="Button_status_Click" runat="server"> Change </asp:LinkButton>




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