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Error when passing parameters to Crystal Reports

Posted on 2007-04-03
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Last Modified: 2012-05-05
Hi Experts,

I have the following code: -

        Dim dr As DataRow = DSTPurchaseOrder.Tables(0).NewRow
        dr(0) = "1"
        dr(1) = "2"
        dr(2) = "3"
        dr(3) = "4"
        dr(4) = "Another"
        dr(5) = "6"
        dr(6) = "7"
        dr(7) = "8"
        DSTPurchaseOrder.Tables(0).Rows.Add(dr)
        rpt.SetParameterValue("Company Name", txtCompanyName.Text)
        rpt.Load(Forms.Application.StartupPath & "\PurchaseOder.rpt")
        rpt.SetDataSource(DSTPurchaseOrder.Tables(0))
        CrystalReportViewer1.ReportSource = rpt

I am trying to populate a crystal report using vb.net 2005 with crystal reports bundelled with it. When the for loads despite me adding a paramter name “Company Name” when I send data to it it does not seem to work as when the report loads it says: -

Enter Parameter Values.
You can provide a single value for this paramter. Enter the value you want to include for “Company Name”

What am I doing wrong please. Sorry I am new to crystal reports.

Many Thanks
Lee
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Question by:ljhodgett
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4 Comments
 
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Accepted Solution

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mlmcc earned 1000 total points
ID: 18846292
Try setting the parameter after you set the data source.

mlmcc
0
 

Author Comment

by:ljhodgett
ID: 18846479
Hi Mlmcc,

Thank you for that I'll accept your answer. Out of curiosity why does it have to be set after the datasource.

Many Thanks
Lee
0
 
LVL 101

Expert Comment

by:mlmcc
ID: 18847589
I don't know.  That was basically a guess.

I suspect resetting the data source may reswet the parameters.

mlmcc
0
 
LVL 101

Expert Comment

by:mlmcc
ID: 18851732
Glad i could help

mlmcc
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