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The WPF Multi Column DropDown Control (Multi Column ComboBox) displays multiple columns in a dropdown. The Syncfusion DataGrid control is embedded for a rich user interface. Users can define the columns in a dropdown as required. The control’s rich feature set includes autocompletion, filtering, sorting, and dropdown customization.

Data binding

The Multi Column DropDown Control supports all popular data sources like SQL server, Oracle, and IEnumerable, and data providers like LINQ to SQL, ADO.NET, Entity Framework, and WCF Data Service. It allows you to design an application in the MVVM pattern, such as binding selected items.

WPF Multi Column DropDown control data binding illustration

Multiple columns

Users can define multiple columns in a dropdown. Generate columns automatically from the underlying data object properties. Or generate the required columns alone in the dropdown.

WPF Multi Column DropDown control shows multiple columns


  • Edit text using an intuitive text box editor.
  • Provide null values in editor.
  • Make the editor read-only, and therefore non-editable.

Editing mode in WPF Multi Column DropDown control


The WPF Multi Column DropDown makes the selection from drop-down grid easy with support for both single and multiple selection with highlight an item by hovering over it in a drop-down. Supports customizing the appearance of the selection text color and background color.

Selecting an item in WPF Multi Column DropDown control

Single selection

Single selection allows users to select a single item from the drop-down grid.

Selecting multiple items in WPF Multi Column DropDown control


  • Performs selection after user confirmation using OK and Cancel buttons, similar to Excel.
  • Built-in check boxes allow users to select more than one item in the drop-down with complete keyboard support.

WPF Multi Column DropDown control shows all items as selected

Select all option

Select all items from the drop-down with one click through the header check box.

Custom template loaded as header in WPF Multi Column DropDown control

  • Freeze the header at the top of the drop-down.
  • Load any UI control as the header of the drop-down. This helps users to perform customized operations like search and filter in the drop-down itself.

WPF Multi Column DropDown control shows selected items separated with customized separator string

Custom separator string

A customized string helps separate the selected items displayed in the Multi Column Dropdown.


  • Append text to the end when users edit text in the TextBox editor.
  • Auto-append text completion depending upon the underlying data objects.
  • Perform autocompletion with case sensitivity.

Autocompletion in WPF Multi Column DropDown control


  • Search or filter items in a dropdown as you type in the editor to find an item within large data easily.
  • Filter with case-sensitivity.
  • Implement custom filtering logic for business use cases.

Filtering the items in WPF Multi Column DropDown control

Column sizing

Column width can be adjusted (auto fit) based on the content of any column or column header in a dropdown. All the columns can be fit within the viewport of the dropdown. Users can also resize the columns like in Excel by resizing column header.


  • Sort one or more columns easily by clicking on column headers in a dropdown.
  • Implement custom logic for sorting.

Sorting in WPF Multi Column DropDown control


Editing the style template through Visual Studio Designer for WPF Multi Column DropDown control

Edit templates in Visual Studio Designer

  • Edit the style template of the Multi Column DropDown control in Visual Studio Designer.
  • Copy the element style templates to XAML view without writing a single line of code.

Conditional styling in WPF Multi Column DropDown control

Conditional styling

  • Customize the appearance of the dropdown grid conditionally using templates.
  • Customize the appearance of rows, columns, column headers, selection, and more.

Styling the dropdown of WPF Multi Column DropDown control

Users can customize the appearance of a dropdown style:

  • Background
  • Border color and thickness

Metro theme look in WPF Multi Column DropDown control

Built-in themes

Adapt the control to rest of your business application with built-in themes. The different built-in themes are:

  • Blend
  • Metro
  • Office 2010 and 2013
  • Visual Studio and more

  • Change the height and width of the dropdown.
  • Auto-size the dropdown height and width based on grid’s height and width.
  • Resize the dropdown dynamically using an intuitive resizing thumb.

Dropdown resizing using resize thumb in WPF Multi Column DropDown control

Right to left (RTL)

Supports right to left (RTL) direction for users working in right-to-left languages like Hebrew, Arabic, or Persian.

Right-to-left mode of WPF Multi Column DropDown control

UI automation

The Multi Column DropDown control is compatible with Coded UI and UFT (formerly QTP) automation tools to automate applications.

UI automation illustration for WPF Multi Column DropDown control


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