小编Rad*_*abo的帖子

我是VB.net的新手,我对这个语句没什么问题,我想抛出msgBox只是因为在txtBox中txtTitul不是"Bc".或""或"Ing." ...而且每次都会抛出msgBox

If Not txtTitul.Text.Equals("Bc.") _
    OrElse Not txtTitul.Text.Equals("") _
    OrElse Not txtTitul.Text.Equals("Bc.") _
    OrElse Not txtTitul.Text.Equals("Mgr.") _
    OrElse Not txtTitul.Text.Equals("Ing.") _
    OrElse Not txtTitul.Text.Equals("Mgr. art.") _
    OrElse Not txtTitul.Text.Equals("Ing. arch.") _
    OrElse Not txtTitul.Text.Equals("MUDr.") _
    OrElse Not txtTitul.Text.Equals("MVDr.") _
    OrElse Not txtTitul.Text.Equals("RNDr.") _
    OrElse Not txtTitul.Text.Equals("PharmDr.") _
    OrElse Not txtTitul.Text.Equals("PhDr.") _
    OrElse Not txtTitul.Text.Equals("JUDr.") _
    OrElse Not txtTitul.Text.Equals("PaedDr.") _
    OrElse Not txtTitul.Text.Equals("ThDr.") Then
    MsgBox("Neplatny titul!")
    Exit Sub
End If