Try to compile

var MyString;  // it won't

but this will

var MyString = "";

In other words, if the compiler cannot 'derive' the type, it won't compile

update: http://msdn.microsoft.com/en-us/library/bb384061.aspx



>

>var MyString;
>string MyOtherString;
>

>
>No difference.
>
>>If you use var, you have to initialize it - don't you ?