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     Column's Filter DropDown: Excel Style
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 End-User Documentation

Column's Filter DropDown: Excel Style

This topic covers the specifics behind the Excel-style Filter DropDown lists. For general information about this and other types of Filter DropDowns, refer to the Column's Filter DropDown topic.

Expanded Feature Overview

The Filter Dropdown displays in a Microsoft Excel® inspired style by default, which, along with the ability to select custom values, provides predefined filters suitable for the columns' data type. See the animated image below.

Visually, the Excel-style Filter DropDown consists of two tabs:

  • The Values tab allows an end-user to select particular values or value ranges.
  • The Filters tab displays predefined filter conditions suitable for the current column's data type. For instance, for date-time columns, it includes Today, Next Week, Last Month, This Year, etc. For numeric columns, it includes Between, Greater Than, etc.

Related API

The Excel-style Filter DropDown UI is automatically determined based on the column's data type. Below you can see the list of supported data types and UI examples:

Expanded Invoke Filter Dropdown

An end-user can invoke the Filter DropDown by clicking the column's Filter Button . In code, you can invoke the Filter DropDown by calling the TreeList.ShowFilterPopup method.

Expanded Enable Excel-Inspired Filter Dropdown

The Excel-inspired style is enabled by default. However, you can override the default behavior, and specify the style at three levels:

  1. Application level

    The WindowsFormsSettings.ColumnFilterPopupMode static property specifies the default column Filter DropDown style for all TreeList controls in your application.

  2. Control level

    A TreeList's TreeListOptionsFilter.ColumnFilterPopupMode property (TreeList.OptionsFilter.ColumnFilterPopupMode) specifies the default column Filter DropDown style in a specific control. This setting overrides the WindowsFormsSettings.ColumnFilterPopupMode global setting.

  3. Column level

    A column's TreeListOptionsColumnFilter.FilterPopupMode property (TreeListColumn.OptionsFilter.FilterPopupMode) specifies the Filter DropDown style for a specific column. This setting overrides the TreeList.OptionsFilter.ColumnFilterPopupMode setting.

Expanded See Also

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