This sample illustrates how to hide the column header of the DropDown Grid in WPF MultiColumnDropDownControl.
WPF MultiColumnDropDown (SfMultiColumnDropDownControl), allows you to hide the column header of the DataGrid displayed in the dropdown by setting the header row height of the dropdown grid to Zero.
this.multiColumnDropDown.Loaded += OnMultiColumnDropDown_Loaded;
private void OnMultiColumnDropDown_Loaded(object sender, RoutedEventArgs e)
{
this.multiColumnDropDown.GetDropDownGrid().HeaderRowHeight = 0;
}Take a moment to peruse the WPF MultiColumnDropDown - Getting Started documentation, where you can find about multicolumndropdown, with code examples.
Visual Studio 2015 and above versions
