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We are about to look into upgrading our VB6 application to VB.NET. I am interested to hear any advice (or tales of woe!) anyone has on the best strategies for this. Some of our system is based on the following: COM+ DLLs (written in VB6) Crystal Reports 9 TrueDBGrid VS Flex Grid ADO...

We have a Visual Basic 6 application which also uses COM+ and SQL Server. We occasionally get the error: 'Switch to/Retry' We have found plenty of information online about this, but no resolution. We found a way around this ourselves using the OleServer/OleRequest methods of the App object...

We are currently working on some Crystals which use stored procedures in SQL Server. When we create a parameter in a normal report (based on tables and queries), we can assign it to be either discrete, range or discrete and range, all with multiple values. When we add our stored procedure to a...

In VS6 you had to find the installation program for Crystal Reports (v4.6 in that I think) and run it. This was somewhere on the source CDs. It might be the same in VS.NET. In VS6 Microsoft introduced the DRD (Data Report Designer) which they were 'encouraging' people to use. I heard...

Many thanks for your reply Gary. I have re-installed Crystal Reports (v9) and checked it on other PCs - there appears to be a problem with the file itself. I have managed to get a copy of the report from somewhere else so my problem is solved (this time anyway!). It would still be interesting...

I'm having this problem too! When I try to open one particular Crystal Report it comes up with: "An unknown error has occurred while accessing c:\<PATH>\rptMyReport.rpt" Then "Dos error." I recently removed and re-installed Crystal Reports 9, so I think Crystal is OK. I can open all other...

I have a Crystal Report (v9) which includes some charts, called by a VB app which collects and passes the parameters. I can set the charts to black and white or colour at design time, but I need a way of setting this at run time. If I create a report with 2 embedded subreports (one in colour...

Hello everybody I am relatively new to Crystal Reports (using v9 for 3 weeks) and I have a problem creating some charts which I had thought would be easy. I have a table called 'TaskHistory' which contains 2 datetime fields - StartTime and EndTime. I created a stacked bar chart showing the...