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Old February 8th, 2006, 09:59 AM
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Default Problem in Connection Property of Crystal report 9

Hi All,

I have a major problem with Crystal Reports I'm hoping someone can help.

I'm using VB6, ADO 2.0 and CR9.0.

I have a simple report that everytime on the second run of the report I get the following error message:

Error Number: 2147417848

An error has occurred: [-2147417848]

 Method 'Value' of object 'IConnectionProperty' failed

Here is the code it happens on:

Option Explicit

    Dim CrxApp As New CRAXDRT.Application
    Dim CrxRpt As New CRAXDRT.Report

Private Sub SetConnection(CR As CRAXDRT.Report)
    Dim CrDatabase As CRAXDRT.Database
    Dim i As Integer
    Set CrDatabase = CR.Database
    For i = 1 To CrDatabase.Tables.count
        CrDatabase.Tables.Item(i).ConnectionProperties("Da tabase") = SysDBName 'SysDBName is my database name
        CrDatabase.Tables.Item(i).ConnectionProperties("Us eDSNproperties") = True
End Sub

'This is the procedure used to initialize crystal report
Public Sub InitForm(rptfilename As String, rptfomula As String)

   Set CrxRpt = CrxApp.OpenReport(GetTemplatePath("Maintenance Summary.rpt")) 'GetTemplatePath gives the report path

    CRViewer91.ReportSource = CrxRpt

    SetConnection CrxRpt

    CrxRpt.RecordSelectionFormula = CrxRpt.RecordSelectionFormula + " and " + Trim(rptfomula)
    CRViewer91.DisplayGroupTree = False
    CRViewer91.Height = ScaleHeight
    CRViewer91.Width = ScaleWidth
    CRViewer91.Visible = True
End Sub

It seems to happen the second time through as I said before, and it seems that the line "CrDatabase.Tables.Item(i).ConnectionProperties("D atabase") = SysDBName" is causing the error.

If I break at that point and hold my mouse over the code VB crashes with the following error:

Microsoft Visual C++ Runtime Library

Program VB6.exe

This app has requested the runtime to terminate it in an unusual way.

Please help. Has anyone had this problem. Thanks for any help.

Ravi Pol

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