RangeParameterEditorOptions.PredefinedDateRanges Property
Provides access to the list of predefined date ranges that are available in date range parameters’ editors in Print Preview.
Namespace: DevExpress.XtraReports.Parameters
Assembly: DevExpress.Printing.v24.2.Core.dll
Declaration
Property Value
| Type | Description |
|---|---|
| Dictionary<String, Func<Range<DateTime>>> | The dictionary of predefined ranges that are available in parameters’ editors. |
Remarks
The list of predefined date ranges stored in the PredefinedDateRanges property is displayed in the date range parameter editor in Print Preview.
- Use the Dictionary<TKey,TValue> type’s methods to manipulate the list of predefined date ranges.
- You can use the RegisterDateRange(String, Func<DateTime>, Func<DateTime>) method to append an item to the list of predefined date ranges.
When you make changes to the predefined date ranges, the changes become available in the date range parameter editor.
Example
The code sample below uses a RangeParametersSettings class instance to create a date range parameter, set the range value to the last 7 days, and filter report data by this range. The code also clears the list of predefined date ranges and adds the September and October predefined ranges to the parameter’s editor.
using DevExpress.XtraReports.Parameters;
using DevExpress.XtraReports.Expressions;
// ...
// Remove all predefined ranges and add two new date ranges.
RangeParameterEditorOptions.PredefinedDateRanges.Clear();
RangeParameterEditorOptions.RegisterDateRange("September", () => new DateTime(2019,9,1), () => new DateTime(2019,9,30));
RangeParameterEditorOptions.RegisterDateRange("October", () => new DateTime(2019,10,1), () => new DateTime(2019,10,31));