ASP.NET-母版页中的“更新”面板,内容页中的“刷新”按钮
我在母版页中有更新面板:ASP.NET-母版页中的“更新”面板,内容页中的“刷新”按钮,asp.net,updatepanel,master-pages,ajax.net,contentplaceholder,Asp.net,Updatepanel,Master Pages,Ajax.net,Contentplaceholder,我在母版页中有更新面板: <asp:ScriptManager id="CartScript" runat="server"></asp:ScriptManager> <asp:UpdatePanel id="CartBox" runat="server" updateMode="Conditional"> <ContentTemplate> Košík [ <asp:HyperLink NavigateUrl="~
<asp:ScriptManager id="CartScript" runat="server"></asp:ScriptManager>
<asp:UpdatePanel id="CartBox" runat="server" updateMode="Conditional">
<ContentTemplate>
Košík [ <asp:HyperLink NavigateUrl="~/Account/Login.aspx" ID="ShoppingCart" runat="server" text="" /> ] <asp:LinkButton ID="DeleteCart" runat="server" Text="Vymazat košík" OnClick="ThrowCart_Click" />
</ContentTemplate>
</asp:UpdatePanel>
但它确实出现了错误:在UpdatePanel“CartBox”中找不到用于触发器的ID为“BuyButton”的控件。
所以我尝试从母版页添加:
protected void Page_Load(object sender, EventArgs e)
{
if ((Button)MainContent.FindControl("BuyButton")!=null)
{
AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();
trigger.ControlID = ((Button)MainContent.FindControl("BuyButton")).ID;
CartBox.Triggers.Add(trigger);
CartScript.RegisterAsyncPostBackControl((Button)MainContent.FindControl("BuyButton"));
}
}
但我也犯了同样的错误-(
那么,您能告诉我如何将内容页中的按钮添加到更新面板中以刷新它吗?Edit
将
BuyButton
按钮放在内容页上自己的UpdatePanel
内。将您的AsyncPostBackTrigger
添加到新的UpdatePanel
,然后它将能够找到按钮,并将使用母版页中的ScriptManager
。@StackOverflowException:啊,错过了详细介绍。谢谢:)
protected void Page_Load(object sender, EventArgs e)
{
AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();
trigger.ControlID = "BuyButton";
UpdatePanel panel = (UpdatePanel)Master.FindControl("CartBox");
if (panel != null)
{
panel.Triggers.Add(trigger);
}
ScriptManager script = (ScriptManager)Master.FindControl("CartScript");
script.RegisterAsyncPostBackControl(BuyButton);
}
protected void Page_Load(object sender, EventArgs e)
{
if ((Button)MainContent.FindControl("BuyButton")!=null)
{
AsyncPostBackTrigger trigger = new AsyncPostBackTrigger();
trigger.ControlID = ((Button)MainContent.FindControl("BuyButton")).ID;
CartBox.Triggers.Add(trigger);
CartScript.RegisterAsyncPostBackControl((Button)MainContent.FindControl("BuyButton"));
}
}