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Data Grid
- Overview
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Data Binding
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Paging and Scrolling
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Grouping
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Filtering and Sorting
- Focused Row
-
Row Drag & Drop
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Selection
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Columns
- State Persistence
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Appearance
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Templates
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Data Summaries
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Master-Detail
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Export to PDF
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Export to Excel
-
Adaptability
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Pivot Grid
- Overview
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Data Binding
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Field Chooser
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Features
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Export to Excel
-
Tree List
- Overview
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Data Binding
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Selection
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Column Customization
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- Adaptability
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Scheduler
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Data Binding
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Views
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Features
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Customization
- Adaptability
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Html Editor
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Chat
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- Overview
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Data Binding
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Featured Shapes
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Document Capabilities
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User Interaction
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Charts
- Overview
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Data Binding
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Area Charts
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Bar Charts
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Selection
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Data
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Gauges
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Bar Gauge
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Navigation
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Localization
Tree List - Column Header Filter
A header filter allows users to select values from a predefined set and filter rows by these values. The values are listed in a pop-up menu. To open this menu, users can click header filter icons in column headers.
If you have technical questions, please create a support ticket in the DevExpress Support Center.
@using DevExtreme.MVC.Demos.Models.TreeList
@model IEnumerable<Employee>
@(Html.DevExtreme().TreeList<Employee>()
.ID("employees")
.DataSource(Model)
.KeyExpr("ID")
.ParentIdExpr("HeadID")
.HeaderFilter(headerFilter => headerFilter.Visible(true))
.Selection(s => s.Mode(SelectionMode.Single))
.Columns(column => {
column.AddFor(m => m.FullName);
column
.AddFor(m => m.Title)
.HeaderFilter(hf => {
hf.AllowSelectAll(false);
hf.Search(hfs => hfs.Enabled(true));
});
column
.AddFor(m => m.City)
.HeaderFilter(hf => {
hf.Search(hfs => {
hfs
.Enabled(true)
.EditorOptions(new { placeholder = "Search city or state" })
.SearchExpr(new[] { "City", "State" });
});
});
column.AddFor(m => m.State);
column.AddFor(m => m.MobilePhone);
column.AddFor(m => m.HireDate);
})
.ColumnAutoWidth(true)
.ShowRowLines(true)
.ShowBorders(true)
.ExpandedRowKeys(new[] { 1 })
)
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Display Header Filter Icons
Enable the headerFilter.visible property to display header filter icons for all columns. If you want to hide the icon for a specific column, disable the column's allowHeaderFiltering property.
Enable Search Within Header Filters
Users can search values within header filters. To display the search bar, assign true to the search.enabled property in the global headerFilter object or in a column's headerFilter object. You can also specify a comparison operation used to search header filter values. Use the search.mode property.
Change Available Filter Values
Filter values are generated automatically based on column values. You can group them by a custom groupInterval or specify an entirely different dataSource for an individual header filter. Refer to the property descriptions for more information.