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Parmeter value to suppres record

Posted on 2013-05-24
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Last Modified: 2013-06-25
In CR XI R2 I have next fields:

Field1      Field2      Field3      Field4
John            AAA      2013/01/01
Eric      1A      BBB      2013/01/14
Peter      2B      CCC      2013/02/11
Susan            DDD      2013/02/20
Don      1B      FFF      2013/02/27
Simon      1A      KKK      2013/03/01


In report I  have parameters against next filed filed1 Par1, on filed3 Par3, on Fied4 Par4.

What I need is parameterX that will show me only names from Field1 that have  values in Field2.
Then, when user select one of those names in parameterX that record will be suppressed where paramterX value or values match value in filed1.

It means that parameter with option for multiple selection will show list as :
 
1.Eric
2.Peter
3.Don
4.Simon
Any idea how to do this.
0
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Question by:Taras
9 Comments
 
LVL 77

Expert Comment

by:peter57r
Comment Utility
Please post the code you currently have in your record selection rule.
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LVL 100

Expert Comment

by:mlmcc
Comment Utility
SO you want to limit the list of values for the parameter.

What database are you running against?

mlmcc
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Author Comment

by:Taras
Comment Utility
Database is SQL Server and is used for Raiser’ Edge application that report is in, however I am working on the report outside that environment.
What they do, they are making export database file in MS access mdb format.
Then I am using this database file to create report.
After I finish they upload report back and reconnect with SQL Server database, It means I have to use what mdb file provide.
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Expert Comment

by:mlmcc
Comment Utility
You should be able to create a command against the database

SELECT Field1 FROM YourTable WHERE Field Is Null

You can then base the parameter on the command

mlmcc
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Author Comment

by:Taras
Comment Utility
Command. Did  you mean?

Something as:
SELECT Field1 FROM YourTable1
WHERE YourTable1.JoinField = YourTable2.JoinField
And Not (Is Null(YourTable2.Field2)

Not sure about sintax

Mdb file do not support command.
Does it mean, there is no way around, and it is not possible to be done somehow in report when data are already in.
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Expert Comment

by:mlmcc
Comment Utility
What version of Crystal?  CR XI and CR2008 allow commands with an MDB data source

SO field1 and field2 are in separate tables?

If you have to join tables I would put the filter in the join (ON) clause.

SELECT Field1 FROM YourTable1 INNER JOIN YourTable2
ON  YourTable1.JoinField = YourTable2.JoinField
And Not (Is Null(YourTable2.Field2)

mlmcc
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Author Comment

by:Taras
Comment Utility
I apologize I checked report data source in report. HereI have three tables that are involved with those fields.

Table1
Table2
Table3
Data for parameter will be from table2
I will put it in SQL not sure how it should go in access,help.

Select
b.Field1
From table1 a
Left Outer Join table2 b
On a.JoinFieldM = b.JoinFieldM
Left Outer Join table3 c
On a.JoinFieldN = c.JoinFieldN
Where IsNull( c.field2,’’)<>’’
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Accepted Solution

by:
LinInDenver earned 500 total points
Comment Utility
I would build ParameterX as a string with Yes or No choices. The question it asks is "do you want to include records only with Field2 populated?"

In your Record Selection,

(
IF {?ParameterX} = 'Yes' then length(trim({table.field2})) >0
else 1=1
)
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Author Closing Comment

by:Taras
Comment Utility
Thanks a lot
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