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Lasly
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Lasly asked on 18 Jun 2010, 09:45 AM

Good morning,

We have a problem that we cannot resolve watching the documentation.

After we created a report using wizard, we tried to impost specified parameters, but we do not managed to make them independents between them. For example  we do not succeed to execute a research for only one of the indicated parameters also having insert NULL  provision and finally we have some trouble to apply filters from a master to a subreport.

We would like to ask you a help to resolve these problems.

Thank you so much.

We look forward to your answer,

Yours faithfully.

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Peter
Telerik team
answered on 18 Jun 2010, 05:29 PM
Hello Martini Luca,

To create an "independent" parameter you have to set the Report Parameter's AllowNull property to True and set a Filter to: 


Expression        Operator      Value
===========   ========  =================================
=Fields.MyField        =            =IsNull(Parameters.MyParam, Fields.MyField)

For more information on the topic check out the Do not filter on null blog article.

About your second question please elaborate on your specific scenario or send us a sample project that illustrates the issue you are experiencing. For general information please check out the Creating Master-Detail Reports Using SubReports help article demonstrates how to create a Master-Detail report using a SubReport item to contain detail data.  A Report Parameter is used to filter the detail report on product category.

Greetings,

Peter
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