How to read or save the email of the user when he logged in to facebook through asp.net?

I'm开发者_开发知识库 totally blank in this scenario.

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First make sure that you are authorized to get the user's email with the email permission.

Here's an example using the Branches FB API:

Dim FB As New SessionInfo("[access_token]")
Dim Req = New Functions.Requests(FB)
Dim U = Req.GetUserInfo()
Response.Write(U.email)