Question : How to add Button control to DataList  control

I get the postback error below when i click my button control. How do i fix this isue? My code is listed below.

Server Error in '/' Application.
--------------------------------------------------------------------------------

Invalid postback or callback argument.  Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentException: Invalid postback or callback argument.  Event validation is enabled using in configuration or <%@ Page EnableEventValidation="true" %> in a page.  For security purposes, this feature verifies that arguments to postback or callback events originate from the server control that originally rendered them.  If the data is valid and expected, use the ClientScriptManager.RegisterForEventValidation method in order to register the postback or callback data for validation.



//////////////////////////////// source code


       
       
           
       
   



///////////////////////////////// codebehind

 private void Page_Load(object sender, System.EventArgs e)
        {            
          ArrayList al = new ArrayList();
          al.Add(new myClass("Peter"));
          al.Add(new myClass("Mary"));

            DataList1.DataSource = al;
            DataList1.DataBind();
        }

Answer : How to add Button control to DataList  control

If(!IsPostBack)
{
  BindGrid();
}

private void BindGrid()
{
         ArrayList al = new ArrayList();
          al.Add(new myClass("Peter"));
          al.Add(new myClass("Mary"));

           DataList1.DataSource = al;
           DataList1.DataBind();
}

try this and let me know the status