主题：错提示说：“是否退会”运算符后缺少操作数。是怎么回事啊？

Dim cx1,cx2,cx3,cx4,cx5 As WinForm.ComboBox

Dim cx6 As WinForm.TextBox = e.Form.Controls("模糊搜索")

cx1 = e.Form.Controls("入会年份查询")

cx2 = e.Form.Controls("部门")

cx3 = e.Form.Controls("学院")

cx4 = e.Form.Controls("专业")

cx5 = e.Form.Controls("宿舍")

Dim Filter As String

With cx1

    If .Value IsNot Nothing Then

        Filter = "入会年份 = '" & .text & "'"

    End If

End With

With cx2

    If .Value IsNot Nothing Then

        If Filter > "" Then

            Filter = Filter & " And "

        End If

        Filter = Filter & "所属部门 = '" & .text & "'"

    End If

End With

With cx3

    If .Value IsNot Nothing Then

        If Filter >"" Then

            Filter = Filter & " And "

        End If

        Filter = Filter & "学院 = '" & .text & "'"

    End If

End With

With cx4

    If .Value IsNot Nothing Then

        If Filter >"" Then

            Filter = Filter & " And "

        End If

        Filter = Filter & "专业 = '" & .text & "'"

    End If

End With

With cx5

    If .Value IsNot Nothing Then

        If Filter >"" Then

            Filter = Filter & " And "

        End If

        Filter = Filter & "宿舍楼 = '" & .text & "'"

    End If

End With

With cx6

    If .Value IsNot Nothing Then

        If Filter >"" Then

            Filter = Filter & " And "

        End If

        Filter = Filter & "姓名 like '*" & .text & "*'"

    End If

End With

If Filter > "" Then

    If e.Form.Controls("在会成员").checked = True Then

End If

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