Report Viewer - other data sources

Report Viewer - other data sources

Hello!

I am trying to create a report - kind of delivery note which contains process data as well as data coming from external sources such as SQL server. In the MS Report Builder I was able to add the datasource and the respective data sets (and also preview worked O.K.) but when i execute it within the runtime, it throws the following exception:

System.ArgumentNullException: 'dataType'-Argument darf nicht null sein.~~Parametername: dataType~~ bei System.Data.DataColumn..ctor(String columnName, Type dataType, String expr, MappingType type)~~ bei ManagedReportingWrapper.ReportForm.CreateTableFromColumnDescription(String TableName, String[,] sColumnDescription)~~ bei ManagedReportingWrapper.ReportForm.AddTableDef(UInt32 uTable, String sName, String[,] sColumnDescription)~~ bei ManagedReportingWrapper.ManagedReportingWrapper.AddReportTable(UInt32 iTableType, String strTableName, Object oColumnDescription)

Is this possible at all or am I doing sth wrong during the configuration of the report?

Thanks in advance.

Best regards,
Artan

This is a migrated post! Originally posted on 18.12.2018 by user artan.gruda. Please be aware that information can be outdated.

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