ADO.NET编程(3)在内存中对DataTable进行增/删/改操作

 1         /// <summary>
 2         /// 删除数据行
 3         /// </summary>
 4         /// <param name="sender"></param>
 5         /// <param name="e"></param>
 6         private void btn_delete_Click(object sender, EventArgs e)
 7         {
 8             if (Employee_DataGrid.Rows.Count > 0)
 9             {
10                 int currentIndex = Employee_DataGrid.CurrentCell.RowIndex;
11 
12                 DataRow editRow = (this.Employee_DataGrid.CurrentRow.DataBoundItem as DataRowView).Row;
13                 // DataRow editRow = (this.Employee_DataGrid.Rows[currentIndex].DataBoundItem as DataRowView).Row;
14                 if (editRow != null)
15                 {
16                     editRow.Delete();
17                     this.EmployeeTable.AcceptChanges();
18                 }
19             }
20         }

 1         /// <summary>
 2         /// 增加数据行
 3         /// </summary>
 4         /// <param name="sender"></param>
 5         /// <param name="e"></param>
 6         private void btn_Add_Click(object sender, EventArgs e)
 7         {
 8             EmployeeDetail detail = new EmployeeDetail(this.EmployeeTable, TableAction.Add);
 9             if (detail.ShowDialog() == DialogResult.OK)
10             {
11                 DataRow oneRow = detail.EmployeeEntry;
12                 try
13                 {
14                     this.EmployeeTable.Rows.Add(oneRow);
15                     this.EmployeeTable.AcceptChanges();
16                 }
17                 catch (Exception ex)
18                 {
19                     MessageBox.Show("错误:" + ex.Message);
20                 }
21             }
22         }