asp.net - How to get the dropdownlistselectedid in asp.net

Question

var countries = context.MasterCountries.ToList();
ddlcountry.DataSource = countries;
ddlcountry.DataTextField = "Description";
ddlcountry.DataValueField = "Id";
ddlcountry.DataBind();

<asp:DropDownList runat="server" ID="ddlcountry" CssClass="textbox textbox-reg" />

int countryid = ddlcountry.SelectedIndex;

I am trying to get the id of the company but it's not working.

Answer 1

试试看：

int countryid = int.Parse(ddlcountry.SelectedValue);