How to Remove Rendering Function error from asp.net c# program???

Disable the event validations in asp.net page using below:

<%@ Page Title="" Language="C#" MasterPageFile="~/Site1.Master" AutoEventWireup="true" EnableEventValidation="false" CodeBehind="Reports.aspx.cs" Inherits="Reports" %>

And Override the Rendering Verification function in c#:

public override void VerifyRenderingInServerForm(Control control)

{

}