建立在ASP.Net Repeater控件 [英] Create a Repeater control in ASP.Net

问题描述

我用两个下拉菜单和绑定值到下拉。
现在添加一个新的按钮add_new。
我想创建下面当我点击添加按钮并保持previous选定值以上的下拉菜单。请帮我做到这一点。

I'm using two drop down and bind values to that drop down. Now am adding a new button add_new. I want to create the above drop downs below when I click the add button and maintain the previous selected values. Please help me to do this.

推荐答案

您可以实现使用ASP.Net的Repeater控件所期望的结果。如你愿意，你可以创建任何类型的模板，请参见下面的code：

You can achieve the desired result using Repeater control of ASP.Net. You can create any type of template as you wish, see the code below:

ASPX：

<asp:Repeater ID="Repeater1" runat="server">
    <ItemTemplate>
        <asp:DropDownList ID="DropDownList1" runat="server" />
        <asp:DropDownList ID="DropDownList2" runat="server" />
        <br />
    </ItemTemplate>
</asp:Repeater>

codeBehind：

CodeBehind:

protected void Button1_Click(object sender, EventArgs e)
{
    // data fetching logic

    Repeater1.DataSource = data;
    Repeater1.DataBind();
}

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