用VB在Partial Public Class Page1下定义变量出现未处理NullReferenceException提示框。。求解决办法!代码如下
Partial Public Class Page1 Inherits PhoneApplicationPage Dim a1 = Convert.ToInt32(Button1.Content)
Partial Public Class Page1 Inherits PhoneApplicationPage Dim a1 = Convert.ToInt32(Button1.Content)
Dim a1 as String
'假設你的Button1存在
a1=Convert.ToInt32(Button1.Content)