Use Membership.GetUser(User.Identity.Name.ToString).ProviderUserKey as Parameter Query

 I need to use  Membership.GetUser(User.Identity.Name.ToString).ProviderUserKey as the value for a where clause in an outer join.
SelectCommand="SELECT DISTINCT Busman.ID, Busman.contactOrgName, Busman.contactName, Busman.contactDesignation, Busman.contactTel, Busman.contactFax, Busman.contactEmail, Busman.contactCountry, Busman.Motivation, Scores.MotivationScore, Busman.Criteria_1, Scores.Criteria1, Busman.Criteria_2, Scores.Criteria2, Busman.Criteria_3, Scores.Criteria3, Busman.Criteria_4, Scores.Criteria4, Busman.Criteria_5, Scores.Criteria5, Busman.Criteria_6, Scores.Criteria6, Busman.Criteria_7, Scores.Criteria7, Busman.Criteria_8, Scores.Criteria8 FROM Busman LEFT OUTER JOIN Scores ON Busman.ID = Scores.NomID WHERE (Busman.ID = @ID) AND (Scores.JudgeID ='' OR Scores.JudgeID = @JudgeID)"
 The @JudgeID in the select command above, my problem is that beign the outer join table, there are times when the outer table won't have matchi ...