private void submitAD()
        {
            double ADAmount;

            try
            {
                ADAmount = Convert.ToDouble(txtAD.Text);
            }
            catch
            {
                ADAmount = 0;
            }



            AdditionsDeductions ad = new AdditionsDeductions();

            ad.updateAD(_selectedDate, _department, ADAmount);
        }
        private void getAD()
        {
            SqlConnection conn = new SqlConnection(connectionStrings.ConnectionString);

            string sql = "";


            switch (_department)
            {
            case "Slimline":
                sql = "SELECT slimline_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Laser":
                sql = "SELECT laser_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Punching":
                sql = "SELECT punching_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Bending":
                sql = "SELECT bending_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Welding":
                sql = "SELECT welding_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Dressing":
                sql = "SELECT buffing_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Painting":
                sql = "SELECT painting_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Packing":
                sql = "SELECT packing_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Stores":
                sql = "SELECT stores_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Dispatch":
                sql = "SELECT dispatch_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "toolroom":
                sql = "SELECT toolroom_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Cleaning":
                sql = "SELECT cleaning_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "Management":
                sql = "SELECT management_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;

            case "HS":
                sql = "SELECT hs_AD as 'FieldName' from dbo.power_plan_overtime where date_id=@dateID";
                break;
            }



            using (SqlCommand cmd = new SqlCommand(sql, conn))
            {
                conn.Open();
                AdditionsDeductions ad = new AdditionsDeductions();
                ad.getDateID(_selectedDate);


                cmd.Parameters.AddWithValue("@dateID", ad._dateID);

                SqlDataReader rdr = cmd.ExecuteReader();

                if (rdr.Read())
                {
                    txtAD.Text = rdr["FieldName"].ToString();
                }
                else
                {
                    txtAD.Text = 0.ToString();
                }
            }
        }