How to get dynamic data into grid with dropdown using mvc

Question

Can anyone tell me ? how to get data from database and bind dropdown to grid. 

 

WebGrid grid = new WebGrid(ViewBag.room);

<div class="box box-primary" style="width:99.5%">

<div Style="Overflow:Auto ;max-height:200px;">

@grid.GetHtml(tableStyle: "table table-bordered",

mode: WebGridPagerModes.All,

columns: grid.Columns(

grid.Column("Room Type", format:@item=>Html.DropDownList("TypeID", new SelectList(ViewBag.room, "TypeID", "TypeID"), new { @class = "form-control", id = "TypeID" }))