Passing value to paramater field in the crystal report

Question

Hai,
I have done the following thing.
1. Created SBO screen using screen painter.
2. Added one text box, button in the screen painter.
3. Created one Windows screen and attached Crystal report viewer.
4. As soon as the button clicked in the SBO screen i am able to open the crystal report.
But now i need values which i have typed in the text box should be passed to the crystal report. how this can be done . I have attached the code please let me know where is the error. I have also created paramater filed in the crystal report name "From_dt".
As soon as the screen opened from SBO. It is asking for discreate value. But i have already passed the value from the SBO. I need to pass the value dyanamical from SBO screen.
          Dim oRpt As New Myreport
                        Dim myTable As CrystalDecisions.CrystalReports.Engine.Table
                        Dim oLI As New CrystalDecisions.Shared.TableLogOnInfo
                        For Each myTable In oRpt.Database.Tables
                            oLI = myTable.LogOnInfo
                            oLI.ConnectionInfo.Password = "sapb1@sql"
                            oLI.ConnectionInfo.UserID = "sa"
                            myTable.ApplyLogOnInfo(oLI)
                        Next
                        Dim Crviewer As New Frm_rptwaste
                        Crviewer.CrystalReportViewer1.ReportSource = oRpt
                        Dim ParameterField1 As New CrystalDecisions.Shared.ParameterField
                        Dim ParamterFields As New CrystalDecisions.Shared.ParameterFields
                        Dim ParamterDescreteValue1 As New CrystalDecisions.Shared.ParameterDiscreteValue
                        ParameterField1.ParameterFieldName = "From_dt"
                        ParamterDescreteValue1.Value = txtcode.Value
                        ParameterField1.CurrentValues.Add(ParamterDescreteValue1)
                        ParamterFields.Add(ParameterField1)
                        Crviewer.CrystalReportViewer1.ParameterFieldInfo = ParamterFields
                        Crviewer.CrystalReportViewer1.RefreshReport()
                        Crviewer.ShowDialog()

Answer 1

Hi Suresh,
    Instead of Parameter, you try Formula field and assign desired value to formula.
HTH
B Ravi Shankar