Dim txt As
String = e.Form.Controls("TextBox1").Text
Dim tbl As Table = Tables("窗口1_Table1")
If txt = "" Then
tbl.Filter = ""
Else
txt = "'*" & txt & "*'"
tbl.Filter = "客户ID Like " & txt & " Or 公司名称 Like " & txt & " Or 地址 Like " & txt & " Or 联系人 Like " & txt
End
If
老大。如果我想加一段代码意思就是 如果筛选后没有内容也就是空值的话,则打开一个窗口或者对话框应该怎么写。