protected void Page_Load(object sender, EventArgs e)
{
User user = (User)Session["User"];
if ((User)Session["User"] == null || user.Role != 1)
{
Response.Redirect("/Welcome.aspx");
}
//Populating a DataTable from database
DataTable dt = dataUser.tableUser();
GridView1.DataSource = dt;
GridView1.DataBind();
}