c# - Difficulty in understanding class Property declaration -

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this question has answer here:

i going through class library in 1 of our projects.

i came across statements public int? variablename

what mean..i going create classes new application refering current

application .

so ,i know , in scenarios can use , not

possible avoid it

int? means "nullable". being nullable allows have null values in int.

check out link if need understand bit more,

http://msdn.microsoft.com/en-us/library/2cf62fcy%28vs.80%29.aspx

how nullable types work in c#?


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