コード例 #1
0
 //更新图书总数
 private void btnSave_Click(object sender, EventArgs e)
 {
     //数据验证
     if (this.txtAddCount.Text.Trim().Length == 0)
     {
         MessageBox.Show("请输入新增图书量", "信息提示");
         this.txtAddCount.Focus();
         this.txtAddCount.SelectAll();
         return;
     }
     if (!DataValidate.IsInteger(this.txtAddCount.Text.Trim()))
     {
         MessageBox.Show("新增总数非法,必须为整数", "错误提示");
         return;
     }
     //数据更新
     try
     {
         int addCount = Convert.ToInt32(this.txtAddCount.Text.Trim());
         //更新数据库图书总数
         int result = objBookManager.AddBookCount(this.txtBarCode.Text.Trim(), addCount);
         //更新列表中图书总数
         if (result == 1)
         {
             var bookListTemp = bookList.Where(b => b.BarCode == this.txtBarCode.Text.Trim()).First();
             bookListTemp.BookCount += addCount;
             this.dgvBookList.Refresh();
             //清空图书信息的显示
             this.lblBookName.Text     = "";
             this.lblBookCount.Text    = "";
             this.lblBookPosition.Text = "";
             this.lblCategory.Text     = "";
             this.lblBookId.Text       = "";
             this.pbImage.Image        = null;
             //图书条码文本框获取焦点
             this.txtBarCode.Clear();
             this.txtAddCount.Clear();
             this.txtAddCount.Enabled = false;
             this.txtBarCode.Focus();
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show(ex.Message);
     }
 }
コード例 #2
0
 private void BtnSave_Click(object sender, EventArgs e)
 {
     if (this.txtBarCode.Text.Trim().Length == 0)
     {
         MessageBox.Show("请输入图书条码", "提示信息");
         this.txtBarCode.Focus();
         return;
     }
     if (!Common.DataValidate.IsInteger(this.txtAddCount.Text.Trim()))
     {
         MessageBox.Show("请输入正整数的图书新增总数", "提示信息");
         this.txtAddCount.SelectAll();
         this.txtAddCount.Focus();
         return;
     }
     try
     {
         int result = objBookManager.AddBookCount(this.txtBarCode.Text.Trim(), Convert.ToInt32(this.txtAddCount.Text.Trim()));
         if (result == 1)
         {
             MessageBox.Show("新增成功", "提示信息");
             Book objBook = (from b in this.bookList where b.BarCode == this.txtBarCode.Text.Trim() select b).First <Book>();
             objBook.BookCount += Convert.ToInt32(this.txtAddCount.Text.Trim());
             objBook.Remainder += Convert.ToInt32(this.txtAddCount.Text.Trim());
             this.dgvBookList.Refresh();
             this.txtAddCount.Enabled  = false;
             this.lblBookName.Text     = "";
             this.lblCategory.Text     = "";
             this.lblBookCount.Text    = "";
             this.lblBookPosition.Text = "";
             this.lblBookId.Text       = "";
             this.pbImage.Image        = null;
             this.txtBarCode.Clear();
             this.txtAddCount.Clear();
         }
         else
         {
             MessageBox.Show("新增失败,请刷新后重试", "提示信息");
         }
     }
     catch (Exception ex)
     {
         MessageBox.Show("新增失败,具体原因:" + ex.Message, "提示信息");
     }
 }