command arguments

Question

i write code to go one form to another in query string but it gives error that command args

please look up 

 

 

protected void grdemplist_RowCommand(object sender, GridViewCommandEventArgs e)

{
string conString = System.Configuration.ConfigurationManager.ConnectionStrings["mydbconp"].ToString();
con = new SqlConnection(conString);

if (e.CommandName == "Edit")
{
con.Open();
Response.Redirect("EmployeeDetail.aspx?Id=" + e.CommandArgument);


}
}