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08/09/2009 at 02:33PM PDT, ID: 24638579

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9.9

LINQ join syntax. One master table, two child tables

Asked by kwh3856 in Language Integrated Query - LINQ, Microsoft Visual C#.Net, Microsoft Visual Basic.Net

Tags: LINQ

I am trying to join three tables together. Basically I have one table called Referrals, and two other tables called PreAuths and Patients. They can all be tied via a field called MPI. I can get the Referral and the PreAuths table to join but when I add the third table I get a syntax error. Can someone point out what I am doing wrong?

Here is my code:

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             PRE_AUTH myPreAuths = new PRE_AUTH();
                    PROVIDER_REFERRAL_QUEUE myProviderReferralQueue = new PROVIDER_REFERRAL_QUEUE();
                    PATIENT myPatient = new PATIENT();
                    
                    var PatientReferralsResult = from patientreferral in dcChartRelay.PROVIDER_REFERRAL_QUEUEs
                                                join preauths in dcRadRelay.PRE_AUTHs on
                                                patientreferral.MPI equals preauths.MPI
                                                join patients in dcRadRelay.PATIENTs on
                                                patientreferral.MPI equals patients.MPI
                                                
                                                select new
                                                {
                                                    patients.Fname,
                                                    patients.Lname,
                                                    patients.DOB,
                                                    patients.Phone,
                                                    patients.MPI,
                                                    patients.SSN,
                                                    patients.WkPhone,
                                                    patients.Address,
                                                    patients.Zip,
                                                    patients.City,
                                                    patients.State,
                                                    patientreferral.ReferralSubmittedDate,
                                                    patientreferral.MPI,
                                                    preauths.MPI,
                                                    preauths.AuthDate,
                                                   
 
                                                };

           
         

20090824-EE-VQP-74 - Hierarchy / EE_QW_3_20080625

1. Fernando...354,414
2. naspinski148,635
3. sree_ven51,360
4. CodeCruiser46,507
5. abel38,350
6. TheLearn...23,450
7. jinal17,050
8. GuitarRich16,200
9. The_eagle13,510
10. deadlyDev13,500
11. gauthampj11,000
12. Dhaest10,872
13. reb7310,500
14. Juan_Bar...9,700
15. kaufmed9,200
16. copyPast...8,600
17. CraigWag...7,800
18. philipjonat...7,500
19. rrjegan176,700
20. ragi00176,664
21. nmarun6,500
21. InternalSt...6,500
23. emoreau6,295
24. Tiggerito6,280
25. Idle_Mind6,000
25. Snarf00016,000
25. p_davis6,000

1. Fernando...616,603
2. naspinski211,485
3. sree_ven51,360
4. CodeCruiser50,957
5. abel38,350
6. TheLearn...31,122
7. novynov21,300
8. sjturner220,250
9. The_eagle19,910
10. Ceiled17,800
11. CarlVerret17,064
12. jinal17,050
13. GuitarRich16,200
14. PockyMas...15,936
15. emoreau14,170
16. Juan_Bar...13,900
17. Dhaest13,872
18. deadlyDev13,500
19. gauthampj11,000
20. reb7310,500
21. kaufmed9,200
22. copyPast...8,600
23. jaime_oliv...8,500
24. GreenGho...8,150
25. BToson8,000
25. p_davis8,000

LINQ join syntax. One master table, two child tables

Asked by kwh3856 in Language Integrated Query - LINQ, Microsoft Visual C#.Net, Microsoft Visual Basic.Net

Tags: LINQ

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