private void button1_Click(object sender, EventArgs e)
        {
            string paramPrice  = txtPrice.Text.Trim();
            string paramRemark = txtRemark.Text.Trim();
            //判断同一商品同一供应商
            bool result = myBUProductSupplierInfo.IsExistsSameSupplier(paramProductID, paramSupplierID);

            if (result)
            {
                paramProductID_2  = paramProductID;
                paramSupplierID_2 = paramSupplierID;
            }
            //添加
            if (paramProductID_2.Length == 0 && paramSupplierID_2.Length == 0)
            {
                int i = myBUProductSupplierInfo.InsertSupplier(paramProductID, paramSupplierID, paramPrice, paramRemark);
                if (i > 0)
                {
                    MessageBox.Show("添加成功");
                    this.DialogResult = DialogResult.OK;
                }
                else
                {
                    MessageBox.Show("添加失败");
                }
            }
            else//修改
            {
                int i = myBUProductSupplierInfo.UpdateProSupInfo(paramProductID_2, paramSupplierID_2, paramPrice, paramRemark);
                if (i > 0)
                {
                    MessageBox.Show("修改成功");
                    this.DialogResult = DialogResult.OK;
                }
                else
                {
                    MessageBox.Show("修改失败");
                }
            }
        }