public bool Insert(childTrfHistBLL u)
        {
            bool          isSuccess = false;
            SqlConnection conn      = new SqlConnection(myconnstrng);

            try
            {
                String     sql = @"INSERT INTO tbl_child_trf_hist (child_trf_hist_id, child_trf_hist_code, 
                                child_trf_hist_from, child_trf_hist_to, child_trf_hist_qty, child_trf_hist_unit, child_trf_hist_result) 
                                VALUES (@child_trf_hist_id, @child_trf_hist_code, @child_trf_hist_from, @child_trf_hist_to, 
                                @child_trf_hist_qty, @child_trf_hist_unit, @child_trf_hist_result)";
                SqlCommand cmd = new SqlCommand(sql, conn);

                cmd.Parameters.AddWithValue("@child_trf_hist_id", u.child_trf_hist_id);
                cmd.Parameters.AddWithValue("@child_trf_hist_code", u.child_trf_hist_code);
                cmd.Parameters.AddWithValue("@child_trf_hist_from", u.child_trf_hist_from);
                cmd.Parameters.AddWithValue("@child_trf_hist_to", u.child_trf_hist_to);
                cmd.Parameters.AddWithValue("@child_trf_hist_qty", u.child_trf_hist_qty);
                cmd.Parameters.AddWithValue("@child_trf_hist_unit", u.child_trf_hist_unit);

                cmd.Parameters.AddWithValue("@child_trf_hist_result", u.child_trf_hist_result);

                conn.Open();

                int rows = cmd.ExecuteNonQuery();

                //if the query is executed successfully then the rows' value = 0
                if (rows > 0)
                {
                    //query successful
                    isSuccess = true;
                }
                else
                {
                    //Query falled
                    isSuccess = false;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                conn.Close();
            }
            return(isSuccess);
        }
        public bool Delete(childTrfHistBLL u)
        {
            bool          isSuccess = false;
            SqlConnection conn      = new SqlConnection(myconnstrng);

            try
            {
                String     sql = "DELETE FROM tbl_child_trf_hist WHERE child_trf_hist_id=@child_trf_hist_id AND child_trf_hist_code=@child_trf_hist_code";
                SqlCommand cmd = new SqlCommand(sql, conn);

                cmd.Parameters.AddWithValue("@child_trf_hist_id", u.child_trf_hist_id);
                cmd.Parameters.AddWithValue("@child_trf_hist_code", u.child_trf_hist_code);

                conn.Open();

                int rows = cmd.ExecuteNonQuery();

                //if the query is executed successfully then the rows' value = 0
                if (rows > 0)
                {
                    //query successful
                    isSuccess = true;
                }
                else
                {
                    //Query falled
                    isSuccess = false;
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                conn.Close();
            }
            return(isSuccess);
        }