C#中datagridview的EditingControlShowing事件用法实例

using System; 
using System.Collections.Generic; 
using System.ComponentModel; 
using System.Data; 
using System.Drawing; 
using System.Text; 
using System.Windows.Forms; 
using datagridview1.DataSet1TableAdapters; 
namespace datagridview1 
{ 
  public partial class Form3 : Form 
  { 
    public Form3() 
    { 
      InitializeComponent(); 
    } 
    private void Form3_Load(object sender, EventArgs e) 
    { 
      CustomersTableAdapter adapter = new CustomersTableAdapter();
      bindingSource1.DataSource = adapter.GetData(); 
      dataGridView1.DataSource = bindingSource1; 
    } 
    private void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) 
    { 
      if (e.ColumnIndex < 0) 
      { 
        e.Graphics.FillRectangle(Brushes.White, e.CellBounds); 
        e.Handled = true; 
      } 
    } 
    private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e) 
    { 
      if (dataGridView1.CurrentCell.ColumnIndex == 1) 
      { 
        //e.CellStyle.BackColor = Color.FromName("window"); 
        //DataGridViewComboBoxEditingControl editingControl = e.Control as DataGridViewComboBoxEditingControl; 
        DataGridViewTextBoxEditingControl editingControl = e.Control as DataGridViewTextBoxEditingControl; 
        editingControl.TextChanged += new EventHandler(editingControl_TextChanged); 
      } 
    } 
    void editingControl_TextChanged(object sender, EventArgs e) 
    { 
      this.label1.Text = dataGridView1.CurrentCell.EditedFormattedValue.ToString(); 
    } 
  } 
}