Dim tx1 As String = e.Form.Controls("TextBox1").Value
Dim tx2 As String = e.Form.Controls("TextBox2").ValueIf tx1 = "" OrElse tx2 = "" Then
End If
更好的办法：
if e.Form.Controls("TextBox1").Value Is Nothing OrElse e.Form.Controls("TextBox1").Value Is Notning Then
End if
加好友 
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Post By：2012/6/6 17:30:00 [显示全部帖子]
