主题：[求助]SelectedIndexChanged

ComboBox，SelectedIndexChanged

vars("scd") = True
e.Form.Controls("TextBox1").Select

TextBox，Validating

static idx As Integer = 0
If idx = 1 Then
    e.cancel = True
    idx = 0
End If
If vars("scd") = True Then
    idx = 1
    e.cancel = True
    vars("scd") = False
End If