Header Filter

• Jul 27, 2022

Column headers can display Excel-style filter buttons. Clicking a filter button invokes the header filter popup window that allows you to apply filter criteria to this column.

The header filter can operate in one of four modes: List and CheckedList modes are available for all grid columns; DateRangeCalendar and DateRangePicker modes are available for date columns only, NumericRangePicker mode is available for numeric columns only.

The mode is specified at the column level using the SettingsHeaderFilter.Mode property.

Refer to the Header Filter topic for more information.

The table below lists the main members that affect element appearance and functionality.

Element	Members
Button Panel	TreeListHeaderFilterPopupStyle.ButtonPanel
Cancel Button	ASPxGridTextSettingsBase.HeaderFilterCancelButton
Filter Button	TreeListSettings.ShowHeaderFilterButton, TreeListImages.HeaderFilter
Ok Button	ASPxGridTextSettingsBase.HeaderFilterOkButton
Items	TreeListStyles.HeaderFilterItem, ASPxTreeList.HeaderFilterFillItems, TreeListSettingsBehavior.HeaderFilterMaxRowCount
Select All Item	ASPxGridTextSettingsBase.HeaderFilterSelectAll
Show All Item	ASPxGridTextSettingsBase.HeaderFilterShowAll
Show Blanks Item	ASPxGridSettings.ShowHeaderFilterBlankItems, ASPxGridTextSettingsBase.HeaderFilterShowBlanks
Show Non Blanks Item	ASPxGridSettings.ShowHeaderFilterBlankItems, ASPxGridTextSettingsBase.HeaderFilterShowNonBlanks
General	TreeListPopupControlStyles.HeaderFilter, TreeListPopupControlSettings.HeaderFilter
Close on Escape	TreeListSettingsPopupEditForm.CloseOnEscape
Date Range Calendar Properties	TreeListColumnSettingsHeaderFilter.DateRangeCalendarSettings
Date Range Picker Properties	TreeListColumnSettingsHeaderFilter.DateRangePickerSettings
Date Range Periods Visibility	TreeListColumnSettingsHeaderFilter.DateRangePeriodsSettings
Numeric Range Picker Properties	TreeListColumnSettingsHeaderFilter.NumericRangeSpinEditSettings, TreeListColumnSettingsHeaderFilter.NumericRangeTrackBarSettings