Get Text from dropdown

I have one page which has Only one Dropdown name called "MydropDown".My submitted form i can get value of selected dropdown by

HttpContext.Current.Request.Form["MydropDown"];

but i need Text not value how can i get this Plz help me on this

From stackoverflow

• If its not a control, there is no way to get the text other than put the text into the value field.

  Gulshan : Its a HTMl control i used