How to do dropdown textbox in asp.net mvc

Question

Please find the below code for view page

 

<div class="col-md-6 col-xs-12">

<div class="form-group row clearfix">

<label class="control-label col-md-4 col-sm-4 col-xs-6">Leader</label>

<div class="col-md-8 col-sm-8 col-xs-6">

@Html.TextBoxFor(m => m.leader, new { @class = "form-control", @required = "required", @id = "txtCode", @placeholder = "Leader Name" })

@Html.ValidationMessageFor(m => m.leader)

</div>

</div>

</div>

 

insted of textbox i want a dropdownbox. i am getting error.