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Crystal Parameters do not show all values from query

Posted on 2014-03-31
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Last Modified: 2014-04-06
Report written in Crystal XI using a SQL command as the datasource.  When the command is run in SSMS against the data, it returns all records.  I have created a parameter to prompt the user dynamically to select a range of values from a field in the query (user name).  However, the parameter list does not show all of the available user names.  Without the parameter and the condition on the parameter, all values for all user names are shown.  The minute a parameter is used, the report only offers a subset of user names.

Also, creating a parameter from the Command window does nothing, clicking Create creates the parameter but the minute you exit from the command window, the parameter disappears.
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Question by:branuda
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Author Comment

by:branuda
ID: 39966753
Adding this:  HKEY_LOCAL_MACHINE\SOFTWARE\Business Objects\Suite 11.0\Crystal
Reports\DatabaseOptions\LOV

with a MaxRowsetRecords value does not work.
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by:mlmcc
mlmcc earned 500 total points
ID: 39968397
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by:branuda
branuda earned 0 total points
ID: 39969561
OK.  I set it to 100,000 and it worked.  It was 1000.  I am wondering if this provides the minimum number of records that Crystal needs to provide an effective "select distinct" from all rows.  It doesn't have anything to do with the actual number of values in the dropdown list because I have 10 distinct records and 1000 didn't work.  So my question is whether this number needs to be set to a number much higher than the total number of records returned by the query.
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Expert Comment

by:mlmcc
ID: 39969691
I don't know.  That is why I prefaced the remark with Crystal by defaults limits it to 1000 rows or values. I don't know if the return is based on values or rows.  Your experience would tend to indicate it is rows.

Do you have Crystal set to return distinct rows?
That should reduce the number you require.

mlmcc
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Author Comment

by:branuda
ID: 39969794
Unfortunately I can't.  The report needs to return all rows for a given user and none is distinct.
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mlmcc earned 500 total points
ID: 39969947
You could try adding another command that just pulls the field you want from the database and base the parameter on that.

You don't need to include it in the report in any way other than as the source for the parameter values,

mlmcc
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Author Comment

by:branuda
ID: 39970017
Thanks for all your help!
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Author Closing Comment

by:branuda
ID: 39981041
Adding the registry key is the key to this solution.
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