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Reports with error "Database access failed"

Hello everybody

i'm writing this thread because in this period on my web app deployed with and i have on my IIS an error called "Database access failed" when someone try to create a report.

I can attach my code because i have tried some tentatives but i didn't solve anything.

The only choise to restart export reports is a IIS reset command on my Internet Information Service.

I hope someone can help me to solve my problem.

Here my code to export a report:

Dim da as new Data.SqlClient.SqlDataAdapter

dim rptDocument as ReportDocument

dim connection = "connection to my database"

da.SelectCommand = New SqlCommand(ssql, connection) //here my query with my connection

da.Fill(ds, table) //declared dataset and table

reportPath = path

rptDocument = New ReportDocument

rptDocument.Load = reportPath //path where is my report


// Then here i do other queries to export a logo and then


dim exportOpts as ExportOptions = new ExportOptions()

dim pdfRtfWordOpts as PdfRtfWordFormatOptions = ExportOptions.CreatePdfRtfWordFormatOptions()

dim destinationOpts as DiskFileDestionationOptions = ExportOptions.CreateDiskFileDestinationOptions()

exportOpts.ExportFormatOptions = pdfRtfWordOpts

exportOpts.ExportFormatType = ExportFormatType.PortableDocFormat

destinationOpts.DiskFileName = mypath

exportOpts.ExportDestinationOptions = destinationOpts

exportOpts.ExportDestinationType = ExportDestinationType.DiskFile



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1 Answer

  • Posted on Feb 20, 2019 at 03:22 PM

    Make sure the dataset matches the report exactly.

    Does it work in CR Designer?

    Need more details on on the work flow.

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