如何清除下拉列表控件项 [英] how to clear dropdown list control items

问题描述

<asp:DropDownList ID="ddlcountry" runat="server" CssClass="field_txt" Style="width: 248px;"

                                OnSelectedIndexChanged="ddlcountry_SelectedIndexChanged" AutoPostBack="True">
                                <asp:ListItem Selected="True" Value="0">Select Country</asp:ListItem>
                            </asp:DropDownList>

如何清除ddlcountry dropdownlist控件中除listitem之外的所有项目(即，仅应显示选择国家/地区)

how to clear all the items in ddlcountry dropdownlist control except listitem (i.e, select country should only be displayed)

推荐答案

ddlcountry.Items.Clear()
ddlcountry.Items.Insert(0,"Select Country")

dropdownlist1.items.clear();

在这种情况下，您希望您可以编写其内容

dropdownlist1.items.clear();

In which event u want you can write their it will work

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