如何獲得在asp.net dropdownlistselectedid

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; 

我想獲得該公司的id，但它不工作。

Answer 1

試試看：

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