_add.cshtml

@using BootstrapModalExample.Models
@model Item

@using (Html.BeginForm("Add", "EStore", FormMethod.Post, htmlAttributes: new { @class = "form-add" }))
{

    @Html.AntiForgeryToken()

    <div class="modal-content">
        <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">&times;</span></button>
            <h4 class="modal-title" id="myModalLabel">Add Item</h4>
        </div>
        <div class="modal-body">

            <div class="form-group">
                <label for="Name">Name</label>
                @Html.TextBoxFor(m => m.Name, htmlAttributes: new { @class = "form-control" })
            </div>

            <div class="form-group">
                <label for="Price">Price</label>
                @Html.TextBoxFor(m => m.Price, htmlAttributes: new {@class="form-control" })
            </div>

        </div>
        <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
            <button type="submit" class="btn btn-primary">Add</button>
        </div>
    </div>
}