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VB.net report rdlc parameter

Posted on 2009-04-11
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Last Modified: 2012-05-06
Is there a way to display a report parameter inside of a rdlc report?
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Question by:jimseiwert
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by:jimseiwert
ID: 24122797
well let me add more detail. what i am doing is reading a xml file into a datatable. I need to display those fields into the report but I cant seem to get it to work. In the textbox field under dataelementname i provided the column name but when the report displays it is blank. I have confirmed that the datatable has rows with data in them.
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by:jpaulino
ID: 24125043
What have you done so far ?
Have you already defined the parameter in the report and pass it using LocalReport.SetParameters() method ?
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Author Comment

by:jimseiwert
ID: 24125559
Yes, i just need to display it in the actual report itself
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Expert Comment

by:jpaulino
ID: 24125828
Ok, then you have the report, the form with the reportviewer and that report defined for the reportviewer. What code are you using to assign the parameters and how are you showing in the report ?
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by:jimseiwert
ID: 24125843
right now I have a textbox field on the report. I want to show the passed parameter (orderNumer) on the textbox
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jpaulino earned 500 total points
ID: 24125870
Then you define the parameters and select the textbox. Right click and choose "Expression" and in the expression box you will find a Parameter category where you can choose the parameter you want.
Finally you just have to use this code:

Dim parameters(0) As ReportParameter
parameters(0) = New ReportParameter("ParameterName", "Value to be showed in the report")
frm.ReportViewer1.LocalReport.SetParameters(parameters)

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Author Comment

by:jimseiwert
ID: 24125948
I did the above steps with the below code. (I replaced and tried your sample)
    Dim report As LocalReport = New LocalReport()
        report.ReportPath = Application.StartupPath & "\Labels\Report2.rdlc"
        Dim parameters(3) As ReportParameter
        parameters(0) = New ReportParameter("Warehouse", "Jim")
        parameters(1) = New ReportParameter("CDate", "Jim")
        parameters(2) = New ReportParameter("OrderNum", "Jim")
        parameters(3) = New ReportParameter("Trans", "Jim")
        report.SetParameters(parameters)

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Author Comment

by:jimseiwert
ID: 24125953
Sorry I did not finish what I was typing, when the report prints all it shows is "Parameters!CDate.Value" w/o the quotes
Dim report As LocalReport = New LocalReport()
report.ReportPath = Application.StartupPath & "\Labels\Report2.rdlc"
Dim parameters(3) As ReportParameter
parameters(0) = New ReportParameter("Warehouse", "Jim")
parameters(1) = New ReportParameter("CDate", "Jim")
parameters(2) = New ReportParameter("OrderNum", "Jim")
parameters(3) = New ReportParameter("Trans", "Jim")
report.SetParameters(parameters)
Export(report)
m_currentPageIndex = 0
Print()

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Expert Comment

by:jpaulino
ID: 24126054
You're trying to print/export the report and does that shows ok for the other things ?
 
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Author Comment

by:jimseiwert
ID: 24126063
All I have is some textboxes that have statis text and that parameters. The static text shows fine.
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Author Comment

by:jimseiwert
ID: 24126100
O have tried to open the report in the reportviewer without printing or exporting and it still displays the same with showing "Parameters!Trans.value

It almost seems as if it is thinking it is a string vs a parameter
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Author Comment

by:jimseiwert
ID: 24126117
I got it, in the expression when I selected the parameter as the value it did not add a equal sign in front of it. Once I added that it worked. Thanks for your help
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Author Closing Comment

by:jimseiwert
ID: 31569209
Note to all others. In the expression don't forget the "=" in front of the parameter
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Expert Comment

by:jpaulino
ID: 24126190
Glad I could help!
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