DataGridView.UserDeletingRow 事件

定义

命名空间:

System.Windows.Forms

程序集:

System.Windows.Forms.dll

在用户从 DataGridView 控件中删除行时发生。

public:
 event System::Windows::Forms::DataGridViewRowCancelEventHandler ^ UserDeletingRow;

public event System.Windows.Forms.DataGridViewRowCancelEventHandler UserDeletingRow;

member this.UserDeletingRow : System.Windows.Forms.DataGridViewRowCancelEventHandler 

Public Custom Event UserDeletingRow As DataGridViewRowCancelEventHandler 

事件类型

DataGridViewRowCancelEventHandler

示例

下面的代码示例演示如何使用 UserDeletingRow 事件取消删除从 DataGridView 中的行（如果所选内容中包含起始余额行）。 此示例是 事件中提供的更大示例的 SelectionChanged 一部分。

private void DataGridView1_UserDeletingRow(object sender,
    DataGridViewRowCancelEventArgs e)
{
    DataGridViewRow startingBalanceRow = DataGridView1.Rows[0];

    // Check if the Starting Balance row is included in the selected rows
    if (DataGridView1.SelectedRows.Contains(startingBalanceRow))
    {
        // Do not allow the user to delete the Starting Balance row.
        MessageBox.Show("Cannot delete Starting Balance row!");

        // Cancel the deletion if the Starting Balance row is included.
        e.Cancel = true;
    }
}

Private Sub UserDeletingRow(ByVal sender As Object, _
    ByVal e As DataGridViewRowCancelEventArgs) _
    Handles DataGridView1.UserDeletingRow

    Dim startingBalanceRow As DataGridViewRow = DataGridView1.Rows(0)

    ' Check if the starting balance row is included in the selected rows
    If DataGridView1.SelectedRows.Contains(startingBalanceRow) Then
        ' Do not allow the user to delete the Starting Balance row.
        MessageBox.Show("Cannot delete Starting Balance row!")

        ' Cancel the deletion if the Starting Balance row is included.
        e.Cancel = True
    End If
End Sub

注解

可以取消此事件，以防止完成行删除。

有关如何处理事件的详细信息，请参阅 处理和引发事件。

另请参阅

• DataGridView 控件（Windows 窗体）