# RadzenDropDown can't search by StartsWith

**URL:** <https://forum.radzen.com/t/radzendropdown-cant-search-by-startswith/4943>\
**Category:** Radzen.Blazor Components\
**Created:** [September 11, 2020, 7:03am UTC](https://forum.radzen.com/t/radzendropdown-cant-search-by-startswith/4943 "2020-09-11T07:03:48Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![ameaamii](https://forum.radzen.com/letter_avatar_proxy/v4/letter/a/eada6e/32.png) [@ameaamii](https://forum.radzen.com/u/ameaamii)\
**Post date:** [September 11, 2020, 7:03am UTC](https://forum.radzen.com/t/radzendropdown-cant-search-by-startswith/4943/1 "2020-09-11T07:03:48Z")

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Hi, I have a problem with RadzenDropDown. I try to use attribute FilterOperator to search with start letter like this:  
\<RadzenDropDown TabIndex="-1" Style="width:99%!important;" AllowClear="true" TValue="short" FilterOperator="StringFilterOperator.StartsWith" Placeholder="@data.Kari\_kan" FilterCaseSensitivity="FilterCaseSensitivity.CaseInsensitive" AllowFiltering="true" @bind-Value="@data.Kari\_kanCode" Data="kankamokuLst" TextProperty="Selected" ValueProperty="Code" \>  
  
When i enter from keyboard, it does not show any suggestion results.  
Hope you guy can help me.  
Thank you,

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**Author:** ![enchev](https://forum.radzen.com/user_avatar/forum.radzen.com/enchev/32/16_2.png) [@enchev](https://forum.radzen.com/u/enchev)\
**Post date:** [September 11, 2020, 7:08am UTC](https://forum.radzen.com/t/radzendropdown-cant-search-by-startswith/4943/2 "2020-09-11T07:08:17Z")

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The second DropDown in this demo is exactly with StartsWith:

> **[Blazor DropDown Component | Free UI Components by Radzen](https://blazor.radzen.com/dropdown)**
>
> Demonstration and configuration of the Radzen Blazor DropDown component.