Writing a query with 3 parameters that it needs to meet.

Writing a query with 3 parameters that it needs to meet.  I have a temp table that I pull from, then apply the 3 parameters.  Select all is an option in two of the three params.  I'm attaching the query that I have so far.  I can get it to meet all three, but get nothing if 'all' is selected.  I also need to make the instructor field optional on the SSRS report.
DropDownList-Instructors.sql
SherryDeveloperAsked:
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Scott PletcherSenior DBACommented:
What values are the params set to to indicate 'ALL'?  0? -1?
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SherryDeveloperAuthor Commented:
They are set to use 0
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Scott PletcherSenior DBACommented:
SELECT InstructorID, InstructorName
FROM #Instructors
WHERE (@Facility = 0 OR FCRLAS_ID = @Facility)
      AND (@Location = 0 OR RPMLCD_CD = @Location)
      AND (@Reason = 0 OR RPMPGM_ID = @Reason)
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SherryDeveloperAuthor Commented:
I did this.  I'm going to check with a business person to make sure I have a good selection for the parameters so I would be sure to get a list of names.  So far, I get none.  and the report won't run without selecting an instructor.   I'll let you know.  Thanks Scott
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SherryDeveloperAuthor Commented:
I'm going to have to wait until Monday to complete this.  There's an issue with the database.  The programs matching to the instructors, doesn't match up with the list of programs for facility, location and program/reason.
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Scott PletcherSenior DBACommented:
I believe my comment as linked below should be the solution

http:#a40398172
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