asp.net - Getting a UserId into a SQLDataSource -

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I am still new to ASP.NET and I have a problem that I can not understand. I am using vb and .net subscriptions API

My question is, how do I get the current user's useride in DetailsView INSERT? 

  & lt; InsertParameters & gt; & Lt; ASP: Parameter Name = "User Id" /> & Lt; / InsertParameters & gt;    
 
 
 In your  SqlDataSource's  OnInserting  event, Code> ProviderUserKey can get  UserID  from the membership table using the  membership user  class property. You can then programmatically assign this value to the UserID Insert parameter. 
 
  Protected Zero SqlDataSource_Inserting (Object Sender, SqlDataSourceCommandEventArgs e) {Membership User currentUser = Membership.GetUser (); Guid id = (Guid) currentUser.ProviderUserKey; E.Command.Parameters ["UserID"]. Value = id; }

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