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Home > Forums > Programmers > Reporting Solutions > Business Objects: Crystal Reports 4 Other topics Forum

Database logon to a Crystal at runtime in VB.NET & Stored Procedure

thread149-1681538
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omacron (TechnicalUser)
25 Apr 12 15:29
Trying to created a vb.net program to run some existing crystal reports.  Doing a test program this code correctly ran the report;

CODE

Dim cryRpt As New ReportDocument
        cryRpt.Load("C:\MyCrystalReport1.rpt")
        CrystalReportViewer1.ReportSource = cryRpt
        CrystalReportViewer1.Refresh()
The issue being that it requires the user to enter in the database logon information.  As you can guess this is a big no no...

So found this extremely helpful FAQ (please do not link to this as the answer)

http://www.tek-tips.com/faqs.cfm?fid=4870

The problem is the Crystal Reports uses a stored procedure. so when report is run it returns an error on this line;

CODE

table.Location = crConnectionInfo.DatabaseName & ".dbo." & table.Location.Substring(table.Location.LastIndexOf(".") + 1)
With the error;

CODE

The table 'MyStoredProcedure;1' could not be found. Error in File My Report {DB40FA45-0294-4C59-AD34-703FED5BBF76}.rpt: The table could not be found.

Before you ask "Is the stored procedure there?", it is.  The report can be run from the database in Crystal Reports and stated above if the logon is not passed the report works correctly.  If it helps this is what that line of code is exciting;

CODE

"MyDatabase.dbo.Proc(MyStoredProcedure;1)"
 
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