如何将null做为参数传递给自定义函数
时间:2011-12-14
来源:互联网
Public Function yesToOne(stra As String)
If IsNull(stra) Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
End If
End If
End Function
如果传入的参数为空,就会出错.这个怎么改?谢谢.
If IsNull(stra) Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
End If
End If
End Function
如果传入的参数为空,就会出错.这个怎么改?谢谢.
作者: kkabc99 发布时间: 2011-12-14
VB code
Public Function yesToOne(stra As String) If trim(stra)="" Then yesToOne = 0 Else If stra = "是" Then yesToOne = 1 Else yesToOne = 0 End If End If End Function
作者: Leftie 发布时间: 2011-12-14
引用 1 楼 leftie 的回复:
VB code
Public Function yesToOne(stra As String)
If trim(stra)="" Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
En……
VB code
Public Function yesToOne(stra As String)
If trim(stra)="" Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
En……
这招不灵. 我是把 as string 去掉就可以了,但应该有更好的方法吧?
作者: kkabc99 发布时间: 2011-12-14
Public Function yesToOne(stra As variant)
If IsNull(stra) Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
End If
End If
End Function
If IsNull(stra) Then
yesToOne = 0
Else
If stra = "是" Then
yesToOne = 1
Else
yesToOne = 0
End If
End If
End Function
作者: worldy 发布时间: 2011-12-14
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