各位网友老师,我的窗体里,有三个控件,分别是me.I,me.II,me.汇总,如果用以下代码,显示正常,没问题:
Dim A, B As String
A = "Ⅰ" & Me.Ⅰ & ","
B = Me.Ⅱ
Me.汇总 = A & B
如果用以下代码,则显示“要求对象”,初步判断下面if else 函数用了后出现了问题,请各位老师指点,如何更改才不会出再错误:
Dim A, B As String
If Me.Ⅰ Is Not Null Then
A = "Ⅰ" & Me.Ⅰ & ","
Else
A = ""
End If
B = Me.Ⅱ
Me.汇总 = A & B