protected void Button1_Click(object sender, EventArgs e)
    {
        int MONTH= Convert.ToInt32((DropDownList1.SelectedItem.Value.ToString()));
        int YEAR = Convert.ToInt32((DropDownList2.SelectedItem.Value.ToString()));
        Dispatch d = new Dispatch(MONTH,YEAR);
        String s=d.run();
        TextBox1.Text = s;

        //Response.Redirect("DISPATCH_SALARY.aspx");
    }