处理DataGridViewComboBoxCell的DataGridViewComboBoxEditingControl类的事件,
DataGridViewComboBoxEditingControl类继承自ComboBox类,事件都差不多的.
例如:下面的代码示例演示如何使用 DataGridView.EditingControlShowing 事件处理程序添加 DataGridViewComboBoxEditingControl 事件的处理程序。在这个示例中，编辑控件被强制转换为 ComboBox 以处理 ComboBox.SelectedIndexChanged 事件。
private DataGridView dataGridView1 = new DataGridView();
private void AddColorColumn()
{
DataGridViewComboBoxColumn comboBoxColumn =
new DataGridViewComboBoxColumn();
comboBoxColumn.Items.AddRange(
Color.Red, Color.Yellow, Color.Green, Color.Blue);
comboBoxColumn.ValueType = typeof(Color);
dataGridView1.Columns.Add(comboBoxColumn);
dataGridView1.EditingControlShowing +=
new DataGridViewEditingControlShowingEventHandler(
dataGridView1_EditingControlShowing);
}
private void dataGridView1_EditingControlShowing(object sender,
DataGridViewEditingControlShowingEventArgs e)
{
((ComboBox)e.Control).SelectedIndexChanged +=
new EventHandler(ComboBox_SelectedIndexChanged);
}
private void ComboBox_SelectedIndexChanged(object sender, EventArgs e)
{
((ComboBox)sender).BackColor = (Color)((ComboBox)sender).SelectedItem;
}
// Set DataGridView Combo Column for CarID field
DataGridViewComboColumn ColumnCar = new DataGridViewComboColumn();
// DataGridView Combo ValueMember field name is “CarID”
// DataGridView Combo DisplayMember field name is “Car”
ColumnCar.DataPropertyName = “CarID”;
ColumnCar.HeaderText = “Car Name”;
ColumnCar.Width = 80;
// Bind ColumnCar to Cars table
ColumnCar.box.DataSource = ds.Tables[“Cars”];
ColumnCar.box.ValueMember = “CarID”;
ColumnCar.box.DisplayMember = “Car”;
// Add ColumnCar onto DataGridView layout
DataGridView1.Columns.Add(ColumnCar);