Field List Styles
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The Field List can be painted in two styles: Simple and Excel. A style defines the Field List layout and the capabilities available for end-users.
Use the PivotGridControl.FieldListStyle property to specify the required style.
A simple-style Field List displays hidden fields by default.
Users can hide visible fields by dragging and dropping them onto the Field List, and return hidden fields to the pivot report by dropping them onto appropriate Header Areas. When end users move fields to the Field List, the field's visibility is changed, but the field's area remains unchanged.
If the PivotGridControl.FieldListIncludeVisibleFields property (PivotFieldListControl.IncludeVisibleFields for standalone Field Lists) is set to true, a simple-style Field List displays visible fields together with hidden ones. In this instance, a check box is shown near each field allowing you to show or hide this field.
An Excel-style Field List contains a section where hidden fields are displayed and four more sections that display visible fields located in the Column, Data, Filter and Row areas.
Similarly to a simple-style Field List, end users can hide visible fields by dragging and dropping them into the Hidden Fields section and return hidden fields to the pivot report by dropping them onto appropriate Header Areas.
The following are additional capabilities provided exclusively by the Excel-style Field List.
- Move a field to a specific area by dragging its header between the Field List's area boxes.
- Delay layout updates. First, check the Defer Layout Update check box, then drag fields between the areas and click the Update button to apply changes.
Sort and filter data. You can toggle the sort order of fields by clicking their headers in the Field List and invoke filter popup windows via the filter buttons.
End-users can change the Field List layout via a popup menu.
You can prevent end users from selecting particular layouts by listing all the allowed layouts via the PivotGridControl.FieldListAllowedLayouts property.
To specify a layout in code, use the PivotGridControl.FieldListLayout property.
If the PivotGridControl.FieldListIncludeVisibleFields property (PivotExcelFieldListControl.IncludeVisibleFields for standalone Field Lists) is set to true, a simple-style Hidden Fields section displays visible fields together with hidden ones. In this instance, a check box is shown near each field allowing you to show or hide this field.