private static Post Read(SqlDataReader postReader) { Post newOne = new Post(); newOne.idpost = postReader.GetInt32(0); newOne.title = postReader.GetString(1); newOne.salary = postReader.GetInt32(2); try { newOne.serve = Serve.Get(postReader.GetInt32(3)); //newOne.serve_idserve = postReader.GetInt32(3); } catch (System.Data.SqlTypes.SqlNullValueException) { newOne.serve = null; } return(newOne); }