ActiveReports 10
Formula Property
Example 

GrapeCity.ActiveReports.v10 Assembly > GrapeCity.ActiveReports.Data Namespace > Field Class : Formula Property
Gets or sets a formula used to derive the run-time value. If the formula is not null, it overrides all preceding values. The formula can be any combination of calculated and/or bound fields and literals.
Syntax
'Declaration
 
Public Property Formula As String
public string Formula {get; set;}
Example
private void rptCalFields_ReportStart(object sender, System.EventArgs e)
{
    this.field1.DefaultValue = "\"Does not compute\"";
    this.field1.FieldType = GrapeCity.ActiveReports.Data.FieldTypeEnum.None;
    this.field1.Formula = "ProductName + UnitPrice";
    this.field1.Name = "field1";
    this.field1.Tag = null;
}
Private Sub rptCalFields_ReportStart(ByVal sender As Object, ByVal e As System.EventArgs)
   Me.field1.DefaultValue = """Does not compute"""
   Me.field1.FieldType = GrapeCity.ActiveReports.Data.FieldTypeEnum.None
   Me.field1.Formula = "ProductName + UnitPrice"
   Me.field1.Name = "field1"
   Me.field1.Tag = Nothing
End Sub
See Also

Reference

Field Class
Field Members