The report has no tables in VB.NET -


i designing windows based application in vb.net 2008 using ms access .mdb file. below code; issue face report has no tables. have no typed dataset. directly populating reports below query:

imports system.data imports system.data.oledb  public class  frminvoicereport         public da oledbdataadapter         public ds dataset         public con oledbconnection         public cmd oledbcommand         public dt datatable         public sbuilder oledbcommandbuilder         public sqlq, constr, table string         private sub frminvoicereport_load(byval sender system.object, byval e system.eventargs) handles mybase.load             constr = ("provider=microsoft.ace.oledb.12.0;data source=" & my.application.info.directorypath &     "\shri_swami_samartha_classes.mdb")             con = new oledbconnection(constr)             con.open()             sqlq = "select * invoicerptquery serialcode =1"             if con.state = connectionstate.open con.close()             con.open()             da = new oledbdataadapter(sqlq, con)             ds = new dataset             da.fill(ds)             con.close()             dim obj new mrptv1             obj.setdatasource(ds.tables("invoicerptquery"))             crystalreportviewer1.reportsource = obj             crystalreportviewer1.refresh()         end sub  end class


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