ASP.NET - Dropdownlist

DropDownList1.DataSource=tabla

DropDownList1.DataTextField="Campo a mostrarse"

DropDownList1.DataValueField="Campo clave de la tabla"

DropDownList1.SelectedValue

protected void ddlSexo_SelectedIndexChanged(object sender, EventArgs e)

        {

            try

            {

                int idSexo = int.Parse(this.ddlSexo.Text);

                Expression<Func<CatSexoEdithGarciaGil, bool>> predicateSexo = c => c.id == idSexo;

                predicateSexo.Compile();

                List<CatSexoEdithGarciaGil> lista = dcGlobal.GetTable<CatSexoEdithGarciaGil>().Where(predicateSexo).ToList();

                CatSexoEdithGarciaGil catTemp = new CatSexoEdithGarciaGil();

                this.ddlSexo.DataTextField = "strValor";

                this.ddlSexo.DataValueField = "id";

                this.ddlSexo.DataSource = lista;

                this.ddlSexo.DataBind();

            }

            catch (Exception)

            {

                //this.showMessage("Ha ocurrido un error inesperado");

            }

        }