Crystal Reports 2008 blank space in output

I have two table employees and salary history. All employees are in the employees table that includes Salary, hourly and contractors. The only employees that have a record in the salary history table are salary and hourly.

My problem is this, I am trying to write a report that shows if the employee is hourly, salary or contractor. The following formula code works fine for all employees except the contractors. I get a blank space in the crystal report formula for the contractors. I have a default for contractors and I still get a blank space. Can somebody tell me how to overcome this problem.  I am SQL server 2008.
Select {XHR_SalaryHist.SalaryUnit}  
Case "HR": "Hourly"
Default: "CONTRACTOR" ;

 (second version I tried)
stringvar salary := 'Contract';
if {XHR_SalaryHist.SalaryUnit} in ['BIWKLY', 'ANNUAL']
     THEN salary :='SALARY'
    if  {XHR_SalaryHist.SalaryUnit} = 'HR'
        THEN salary :='Hourly'
     salary :='CONTRACTOR';
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WHat value is there for contractors?

I suspect it is NULL.  Try this

stringvar salary := 'Contract';
If IsNull({XHR_SalaryHist.SalaryUnit}) THEN
     salary :='CONTRACTOR'
ELSE if {XHR_SalaryHist.SalaryUnit} in ['BIWKLY', 'ANNUAL'] THEN
     salary :='SALARY'
ELSE if  {XHR_SalaryHist.SalaryUnit} = 'HR' THEN
     salary :='Hourly'
     salary :='CONTRACTOR';

WHen Crystal tests a NULL value for anything except IsNull it gets an error and stops evaluating.


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jvonhendyAuthor Commented:
there is no value for the contractors because the contractors are NOT in the salary history table.
Did you try the formula?

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