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Silverlight applications, filtering tables

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Jara
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Jara asked on 20 Aug 2010, 07:55 AM

Hello,
In report I have four tables, (for example table1, table2, table3, table4). I need to do filtering by tables.
For example:
If I select table1 and table3, the report must only show this two tables (table1, table3)

Would anyone know how is this possible to implement?

Thanks

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Steve
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answered on 20 Aug 2010, 01:31 PM
Hi Jara,

First you have to clarify, how the user would specify which tables would be visible and which not. A straight-forward way would be to create a multivalue report parameter which lists all tables and depending on the selected values, create a Conditional Formatting rule which would show only the desired tables.

Greetings,
Steve
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Jara
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answered on 23 Aug 2010, 10:37 AM
Thanks Steve
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Jara
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answered on 23 Aug 2010, 07:49 PM
Now, I have another problem:
In application, I have reportBook, which contains 2 reports: Report_1 and Report_2;
Report_1 have 2 tables: tableA, tableB;
Report_2 have 1 table: tableC;

I did as you said, create a multivalue report parameter which lists all tables and depending on the selected values, create a Conditional Formatting rule which show only the desired tables.
It works fine.
The problem is that, when I do not choose (for showing) tableC, from Report_2, tableC is not visible, but is printed a blank page. How can I delete this blank page or make invisible.
Maybe you know, how can I solve this problem?

Thanks
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Steve
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answered on 24 Aug 2010, 02:31 PM
Hello Jara,

When a report item is hidden (Visible=false) it does not occupy any space, so it is strange that you observe such behavior. Try adding the following line right after the report constructor to see if that would make a difference:

this.detail.Height = new Telerik.Reporting.Drawing.Unit(0.01, Telerik.Reporting.Drawing.UnitType.Cm);

assuming that your table items are placed in the detail section. If they are contained within other sections, change the line of code respectively.

All the best,
Steve
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Jara
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answered on 24 Aug 2010, 03:36 PM
Not helped.
Now I create very simply project:
ReportBook contains 3 reports: ReportA (page 1), ReportB (page 2) and  ReportC (page 3);
All reports have textbox with some value;

When I made ReportC visible = false, and adding your line, I still seeing 3 pages: first page ReportA, second page ReportB and still seeing third page, which is blank.

Do you have some suggestion?

Maybe it is because I have using Trial Version, because it prints at the bottom of the page some line?
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Jara
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answered on 26 Aug 2010, 08:41 AM
Steve,
Maybe you have any suggestions?
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Steve
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answered on 26 Aug 2010, 11:28 AM
Hi Jara,

I missed the fact that you're working in the context of a report book in your previous post - sorry about that.
Indeed as specified in the Report Book documentation, each report would start on a new page in the combined document, so hiding the table is required but not sufficient as the report sections and the report itself is visible, so a page would be created in the report book.
To avoid this, you would have to apply a conditional formatting rule for the report itself. Its expression should contain checks for the parameter values of the tables contained within this report and if none of the values are selected, then the conditional rule would hide the report itself.

Best wishes,
Steve
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Jara
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answered on 26 Aug 2010, 02:36 PM
I did something similar, but still get the same result.
Maybe, can you show a simple example of how to do it?

Thanks
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Jara
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answered on 27 Aug 2010, 07:39 AM
For example:
In reportC I have create report parameter id, type - boolean, value - false;
and apply a conditional formatting rule for the report
(Expression) = False
(Operator) =
(Value) =Parameters.id.Value
and in style Builder, Layout uncheck visible checkbox.
But still get the same result (blank page).
Maybe I am usimg the wrong logic, or my conditional formatting rule is wrong?
Please, give me some example.

Thanks,
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Jara
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answered on 30 Aug 2010, 01:52 PM
Steve,
Can you show any example?
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Steve
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answered on 31 Aug 2010, 03:22 PM
Hi Jara,

Please open a support ticket and attach your reports so that I can run them locally and pinpoint where the culprit is.

Kind regards,
Steve
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Reinan Shook
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answered on 02 Sep 2010, 09:07 PM
Hi, I am having the same issue. I was wondering if a fix or workaround was found.

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Jara
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answered on 03 Sep 2010, 07:31 AM
I have send a support ticket, but did not receive a response, yet.
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Steve
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answered on 03 Sep 2010, 02:54 PM
Hi,

The reported behavior seems to be an unsupported scenario which we're going to address in subsequent version.
For the time being, I can suggest another approach and it is to use subreports. The idea is to have a master report with detail section, subreport items in it and parameter controlling the visibility of the subreport items.

NOTE: Mind the slightly different rendering of subreports against report book (in the pointed article). For example page sections of subreport are ignored (page sections of the master report are rendered).

Sorry for the temporary inconvenience.

Regards,
Steve
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