Asp.net mvc 3 绑定Html.DropDownList

在我的Employee表中，字段类似于EmployeeID、FirstName、MiddleName、LastName等，。。。像那样

我想把我的Html.DropDownList像EmployeeID一样绑定为dataValueField，把FirstName+MiddleName+LAstName绑定为dataTextField。我怎么能这样装订呢

Create a partial class and set a property like this

    public string Name
    {
        get
        {
            return string.Format("{0} {1} {2}", FirstName, MiddleName, LastName);
        }
    }

Give 'Name' as the dataTextField