///DataGridView 的某一列的数据显示为“*”。---DataGridView中设置密码列(显示为*号)
///把第4列设置为密码列(显示为*号):
/// <summary>
/// 单元格显示格式事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dataGridView1_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
// 把第4列显示*号,*号的个数和实际数据的长度相同
if (e.ColumnIndex == 3)
{
if (e.Value != null && e.Value.ToString().Length > 0)
{
e.Value = new string('*',e.Value.ToString().Length);
}
}
}
/// <summary>
/// 编辑单元格控件事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
// 编辑第4列时,把第4列显示为*号
TextBox t = e.Control as TextBox;
if (t != null)
{
if (this.dataGridView1.CurrentCell.ColumnIndex == 3)
t.PasswordChar = '*';
else
t.PasswordChar = new char();
}
}
'vb.net code:
Private Sub DataGridView1_CellFormatting(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) Handles DataGridView1.CellFormatting
If e.ColumnIndex = 3 Then
If e.Value = "" And e.Value.ToString.Length > 0 Then
e.Value = New String("*", e.Value.ToString.Length)
End If
End If
End Sub
Private Sub DataGridView1_EditingControlShowing(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewEditingControlShowingEventArgs) Handles DataGridView1.EditingControlShowing
Dim t As TextBox
t = e.Control
If Not t Is Nothing Then
If Me.DataGridView1.CurrentCell.ColumnIndex = 3 Then
t.PasswordChar = "*"
Else
t.PasswordChar = New Char()
End If
End If
End Sub