Zoek in de Crystal Report-wizard uw odbc die is gemaakt met gebruikersnaam en wachtwoord.
Dan zie je een opdrachttekst, je kunt je vraag daarin plaatsen.
Deze code voor VB.NET
Private CRPT As New ReportDocument
Private APPPATH As String
Private PARAM As New ParameterFields
Public PARAM_DESC As New ParameterDiscreteValue
Private Sub Form1_Load(sender As System.Object, e As System.EventArgs) Handles MyBase.Load
APPPATH = Application.StartupPath & "\REPORT\sample.rpt"
CRPT.Load(APPPATH)
Me.CrystalReportViewer1.ReportSource = CRPT
PARAM = CRPT.ParameterFields
PARAM_DESC.Value = Format(DatePicker1.Value, "yyyyMMdd")
PARAM("DATEP").CurrentValues.Clear()
PARAM("DATEP").CurrentValues.Add(PARAM_DESC)
Me.CrystalReportViewer1.Refresh()
End Sub
Deze code is voor C#:
CRPT = new ReportDocument();
APPPATH = Environment.CurrentDirectory + "Sample.rpt";
CRPT.Load(APPPATH);
Report_Viewer.Refresh();
CRPT.SetParameterValue("syear", Servercls.year);
CRPT.SetParameterValue("smonth", Servercls.month);
CRPT.SetParameterValue("sday", Servercls.day);
CRPT.SetParameterValue("datevalue", Servercls.Datevalue);
Report_Viewer.ReportSource = CRPT;
sc.configureCrystalReport();
Report_Viewer.Refresh();
De naam van uw kristalrapportparameter moet hetzelfde zijn als in uw Code Behind.