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为什么在Visual C#2008 Studio中找不到Var关键字?

[英]Why can't I find the Var keyword in my Visual C# 2008 Studio?

I have this version: 我有这个版本:

Microsoft Visual C# 2008 Express Edition Microsoft Visual C#2008速成版

Using this function: 使用此功能:

var X = new WebClient(); 

Var isn't recognized by my IDE. 我的IDE无法识别Var。 Thanks. 谢谢。

Are you trying to use it for a class member? 您是否打算将其用于班级成员? var is only valid for local variables within a function. var仅对函数内的局部变量有效。

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