ParameterFieldDefinition.DefaultValues Property

Gets the default values through the ParameterValues object.

Namespace CrystalDecisions.CrystalReports.Engine Assembly CrystalDecisions.CrystalReports.Engine (CrystalDecisions.CrystalReports.Engine.dll)

Syntax

'Declaration

Public Overrideable ReadOnly Property DefaultValues As CrystalDecisions.Shared.ParameterValues
public virtual CrystalDecisions.Shared.ParameterValues DefaultValues {get;}

Remarks

Use the ApplyDefaultValues method to apply the changes.

Example

This example sets the following values: the current values for a ranged parameter, the default value for a discrete parameter, and the minimum and maximum values for a discrete parameter.

'Declaration

      Private Sub SetParameters _
         (ByVal startValue As Double, ByVal endValue As Double, _
         ByVal discreteValue1 As Integer, _
         ByVal discreteValue2 As Integer, _
         ByVal minValue As Integer, ByVal maxValue As Integer)

         Dim discreteParam As New ParameterDiscreteValue()
         Dim rangeParam As New ParameterRangeValue()
         Dim paramField As ParameterFieldDefinition
         Dim currentValues As ParameterValues
         Dim defaultValues As ParameterValues

         paramField = _
         Report.DataDefinition.ParameterFields.Item("RangedParam")
         rangeParam.StartValue = startValue
         rangeParam.EndValue = endValue
         currentValues = paramField.CurrentValues
         currentValues.Add(rangeParam)
         paramField.ApplyCurrentValues(currentValues)

         paramField = _
            Report.DataDefinition.ParameterFields.Item("DiscreteParam", "sub1")

         paramField.ApplyMinMaxValues(minValue, maxValue)

         discreteParam.Value = discreteValue1
         defaultValues = paramField.DefaultValues
         defaultValues.Add(discreteParam)
         paramField.ApplyDefaultValues(defaultValues)

         discreteParam = New ParameterDiscreteValue()
         discreteParam.Value = discreteValue2
         defaultValues = paramField.DefaultValues
         defaultValues.Add(discreteParam)
         paramField.ApplyDefaultValues(defaultValues)
      End Sub
      
      private void SetParameters(float startValue, float endValue,
         int discreteValue1, int discreteValue2, int minValue,
         int maxValue)
      {
         ParameterDiscreteValue discreteParam = new
            ParameterDiscreteValue();
         ParameterRangeValue rangeParam = new ParameterRangeValue();
         ParameterFieldDefinition paramField;
         ParameterValues currentValues;
         ParameterValues defaultValues;

         paramField =
            Report.DataDefinition.ParameterFields["RangedParam"];
         rangeParam.StartValue = startValue;
         rangeParam.EndValue = endValue;
         currentValues = paramField.CurrentValues;
         currentValues.Add(rangeParam);
         paramField.ApplyCurrentValues(currentValues);

         paramField = Report.DataDefinition.ParameterFields
            ["DiscreteParam", "sub1"];

         paramField.ApplyMinMaxValues(minValue, maxValue);

         discreteParam.Value = discreteValue1;
         defaultValues = paramField.DefaultValues;
         defaultValues.Add(discreteParam);
         paramField.ApplyDefaultValues(defaultValues);

         discreteParam = new ParameterDiscreteValue();
         discreteParam.Value = discreteValue2;
         defaultValues = paramField.DefaultValues;
         defaultValues.Add(discreteParam);
         paramField.ApplyDefaultValues(defaultValues);
      }
      

Version Information

Crystal Reports Basic for Visual Studio 2008

Supported since: Crystal Reports for Visual Studio .NET 2002

See Also

Reference

ParameterFieldDefinition Class
ParameterFieldDefinition Members
CrystalDecisions.CrystalReports.Engine Namespace