problem with identity column value

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SQL-CE

SQL-Server

WebMatrix

//insert order status information
db.Execute(@"
    INSERT INTO OrderStatus
    (Price, Status, PricingTime, WordsNum, DeliveryTime)
    VALUES (@0, @1, @2, @3, @4)",
    null, App.strUnVisited, null, null, null);

//I dont have AuditNum value (identity column in OrderStatus)
//insert order details
db.Execute(@"
    INSERT INTO OrderDetails
    (FileName, Lang, Description, Time, UserId, Subject, Field, AuditNum)
    VALUES (@0, @1, @2, @3, @4, @5, @6, @7)",
    ConcatFileNames, LangSelect, Description, DateTime.Now, WebSecurity.CurrentUserId, Subject, Field, AuditNum );

I have a table 'OrderStatus' with identity column 'AuditNum'. The problem occurs when I wana do the second insert (in OrderDetails table). I need the AuditNum value that is automatically generated while the first inserting in order to give it to the second insert method as a (last) parameter. How can I do that (without concurrency problem)?