Bind Bootstrap DropDown from Database In asp.net

Question

<div class="container">

<div class="row">

<div class="col-xs-4">

<br />

<div class="input-group dropdown">

<input type="text" class="form-control dropdown-toggle">

<span role="button" class="input-group-addon dropdown-toggle" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false">

<span class="caret"></span>

</span>

</div>

</div>

</div>

</div>

This is what I have Created.Now I have to show Value while editing also and when i Click on dropdown button.