dropdownlist 选中值

c#:

DropDownList1.SelectedIndex   =   DropDownList1.Items.IndexOf(DropDownList1.Items.FindByText( "安徽 "));

javascript:
var RequiredDept=$("select[@id='ddlRequiredDept'] option[@selected]").val();//会诊科室
var RequiredDept = $("#ddlRequiredDept option[@selected]").text(); //会诊科室