Adding dropdown list with selected value from database

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MVC3

MVC4

how to get the selected drown drop value from database..i'm storing employee details in one table with drop down selected value(integer) and in other table drop down value and text.
my models

public class EmployeeDetails
    {
        public int empid {set;get;}
        public string empname{set;get;}
        public string empdesig{set;get;}
        public decimal empsal{set;get;}
        public int education{set;get;}
        public DateTime time{set;get;}
        public string dropdownname { set; get; }
    }
public class DropDownList
{
    public int dropdownId { set; get; }
    public string dropdownName { set; get; }

}` public class DisplayEmployeeViewModel
{
    public IEnumerable<EmployeeDetails> EmployeeDetails { set; get; }

    public DisplayCreateEmployeeViewModel createemployee { set; get; }

    public string TabName { set; get; }
    public List<SelectListItem> DropdownSelectListItems
    {
        get
        {
            var dropdown = (new DropdownRepository()).GetDropdownTypes();
            var entityList = dropdown.Select(x => new SelectListItem()
            {
                Text = x.dropdownName,
                Value = x.dropdownId.ToString()
            });
            return entityList.ToList();
        }

    }

} public class DisplayCreateEmployeeViewModel
{
    public EmployeeDetails EmployeeDetails { set; get; }
    public int empid { set; get; }
    public string empname { set; get; }
    public string empdesig { set; get; }
    public decimal empsal { set; get; }
    public int education { set; get; }
    public DateTime time { set; get; }
    public string dropdownname { set; get; }

    public List<SelectListItem> DropdownSelectListItems
    {
        get
        {
            var dropdown = (new DropdownRepository()).GetDropdownTypes();
            var entityList = dropdown.Select(x => new SelectListItem()
            {
                Text = x.dropdownName,
                Value = x.dropdownId.ToString()
            });
            return entityList.ToList();
        }

    }
}` <div>
                <table id="tblemployeedetails" class="table table-hover table-bordered table-responsive "  >
                       <thead style="background-color:black;color:white; ">
                           <tr>
                               <th></th>
                               <th>Employee Name</th>
                               <th>Employee Designation</th>
                               <th>Enployee Education</th>
                               <th>Employee Salary</th>

                           </tr>
                       </thead>
                <tbody>
                        @foreach (EmployeeDetails details in Model.EmployeeDetails)
                        {
                            <tr>
                                <td>@Html.CheckBox("status" + details.empid, new {value=details.empid,@class="detailCheckBox" })</td>
                                <td>@Html.TextBox(details.empname, details.empname, new {@class="txtdisable" })</td>
                                <td>@Html.TextBox(details.empdesig, details.empdesig, new { @class = "txtdisable" })</td>
                                <td>@Html.DropDownList(details.education.ToString(),Model.DropdownSelectListItems, new { @class = "txtdisable" })</td>
                                <td>@Html.TextBox(details.empsal.ToString(), details.empsal, new { @class = "txtdisable" })</td>


                            </tr>
                        }
                </tbody>

                   </table>


            </div>

the code which i'm showing fetching the drop down complete list and showing. here i'm getting the list of drop down.But i want to get the list with selected text( stored value should select)

how to do that

What I have tried:

i'm getting the whole drop down list but not getting the selected text with was stored in the database. how to get the text as selected