protected void Button1_Click1(object sender, EventArgs e)
        {
            bel ob = new bel();

            ob.Name     = TextBox3.Text;
            ob.Username = TextBox1.Text;
            ob.Password = TextBox2.Text;
            ob.ins();
        }
        protected void Button2_Click(object sender, EventArgs e)
        {
            bel ob = new bel();

            ob.Username = TextBox4.Text;
            ob.Password = TextBox5.Text;
            DataTable dt = ob.sel();

            if (dt.Rows.Count > 0)
            {
                if (dt.Rows[0]["Name"].ToString() == "Admin")
                {
                    Response.Redirect("adminpage.aspx");
                }
                else if (dt.Rows[0]["Name"].ToString() == "Employee")
                {
                    Response.Redirect("employee.aspx");
                }
                else
                {
                    Response.Redirect("user.aspx");
                }
            }
        }