C# 动态嵌套中继器ASP.net
我有一部分代码通过在HTML中硬编码来嵌套中继器:C# 动态嵌套中继器ASP.net,c#,repeater,nested-repeater,C#,Repeater,Nested Repeater,我有一部分代码通过在HTML中硬编码来嵌套中继器: <asp:Repeater ID="rpt_1" runat="server"> <ItemTemplate> <div><%# Eval("ID") %></div> <asp:Repeater ID="rpt_2" runat="server"> <Item
<asp:Repeater ID="rpt_1" runat="server">
<ItemTemplate>
<div><%# Eval("ID") %></div>
<asp:Repeater ID="rpt_2" runat="server">
<ItemTemplate>
<div><%# Eval("ID") %></div>
<asp:Repeater ID="rpt_3" runat="server">
<ItemTemplate>
<div><%# Eval("ID") %></div>
</ItemTemplate>
</asp:Repeater>
</ItemTemplate>
</asp:Repeater>
</ItemTemplate>
</asp:Repeater>
每个repeater的ItemTemplate都有完全相同的HTML和布局内容。有没有办法根据一个中继器的布局,通过编程将它们嵌套在n个中继器中?以下是我想做的PSEDOO代码:
<asp:Repeater ID="rpt_1" runat="server">
<ItemTemplate>
<div><%# Eval("ID") %></div>
<asp:Repeater ID="rpt_2" runat="server"/>
</ItemTemplate>
</asp:Repeater>
rpt_1.ItemDataBound += new RepeaterItemEventHandler(rpt_ItemDataBound);
rpt_1.DataSource = q;
rpt_1.DataBind();
protected void rpt_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (sender is Repeater)
{
string strID = ((Repeater)sender).ID.ToString();
strID = strID.Substring(strID.Length - 1, 1).ToString();
Repeater rpt = (Repeater)e.Item.FindControl("rpt_" + strID);
if (strID != "4")
{//Stop the nested creation
//Does this work?
//How do I accomplish this?
rpt.ItemTemplate = (Repeater)e.Item.FindControl("rpt_" + (Convert.ToInt32(strID)-1).ToString()).ItemTemplate;
rpt_1.ItemDataBound += new RepeaterItemEventHandler(rpt_ItemDataBound);
rpt.DataSource = q;
rpt.DataBind();
}
}
}
rpt_1.ItemDataBound+=新的RepeaterItemEventHandler(rpt_ItemDataBound);
rpt_1.DataSource=q;
rpt_1.DataBind();
受保护的void rpt_ItemDataBound(对象发送方,RepeaterItemEventArgs e)
{
if(发送方为中继器)
{
字符串strID=((中继器)发送器).ID.ToString();
strID=strID.Substring(strID.Length-1,1.ToString();
中继器rpt=(中继器)e.Item.FindControl(“rpt_”+strID);
如果(strID!=“4”)
{//停止嵌套创建
//这行吗?
//我如何做到这一点?
rpt.ItemTemplate=(Repeater)e.Item.FindControl(“rpt_”+(Convert.ToInt32(strID)-1.ToString()).ItemTemplate;
rpt_1.ItemDataBound+=新的RepeaterItemEventHandler(rpt_ItemDataBound);
rpt.DataSource=q;
rpt.DataBind();
}
}
}
我可以在代码中将一个中继器的ItemTemplate分配给另一个吗?您可以在ascx文件中创建模板,然后按如下方式加载它:
rpt_1.LoadTemplate(template_file.ascx);
在调用DataBind()之前执行此操作