Thank you for writing.
To achieve this effect you need to set the DropDownStyle of the editor in the filter row to DropDown
, so it will allow typing in it, add a FilterDescriptor for this column and then in the TextChanged
event of the same editor set the value the to the FilterDescriptor
. You can read more about filtering here - http://www.telerik.com/help/winforms/gridview-filtering-setting-filters-programmatically-simple-descriptors.html
Attached you can find a sample application, which I hope will help you.
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