private void btnOk_Click(object sender, EventArgs e)
 {
     if(CheckEmpty())
     {
         ProductInfo pro = new ProductInfo();
         pro.CatId = Convert.ToInt32(cmbCategory.SelectedValue);
         pro.ProCost = Convert.ToDecimal(txtCost.Text);
         pro.ProName = txtName.Text;
         pro.ProNum = txtNum.Text;
         pro.ProPrice = Convert.ToDecimal(txtPrice.Text);
         pro.ProSpell = txtSpell.Text;
         pro.ProUnit = txtUnit.Text;
         pro.Remark = txtRemark.Text;
         
         if(this.Tp == 3)
         {
             pro.DelFlag = 0;
             pro.SubBy = 1;
             pro.SubTime = System.DateTime.Now;
         }
         
         else if(this.Tp == 4)
         {
             pro.ProId = Convert.ToInt32(labId.Text);
         }
         ProductInfoBLL bll = new ProductInfoBLL();
         if(bll.SaverProduct(pro,this.Tp))
         {
             MessageBox.Show("操作失败");
         }
         else
         {
             MessageBox.Show("操作成功");
         }
         this.Close();
     }
 }