Find din odbc oprettet med brugernavn og adgangskode i Crystal Report Wizard.
Så vil du se en kommandotekst. Du kan placere din forespørgsel derinde.
Denne kode til 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
Denne kode er til 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();
Dit krystalrapportparameternavn skal være det samme som i din kode bag.