在的iFrame的UpdatePanel不更新

本文介绍了在的iFrame的UpdatePanel不更新的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我想，当点击页面上的按钮来更新一个iFrame的来源。然而，似乎没有任何要发生的事情...

I'm trying to update the source of an iFrame when a button is clicked on the page. However, nothing seems to be happening...

.ASPX：

<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always"> <ContentTemplate> <div class="accountInfo"> <p class="submitButton"> <asp:Button ID="ValidateButton" runat="server" Text="Validate" OnClick="SubmitSponsor" /> </p> </div> <iframe runat="server" id="PayPalFrame" height="150px" width="100%" frameborder="0"></iframe> </ContentTemplate> </asp:UpdatePanel>

code背后：

protected void SubmitSponsor(object sender, EventArgs e) { var driver = new Driver(); var isvalid = driver.IsAppValid(URL.Text, APILINK, Connstring); if (isvalid) { PayPalFrame.Attributes.Add("src", "www.google"); URLInvalid.Visible = false; } }

我也试过： PayPalFrame.Attributes [SRC] =htt​​p://www.google; ，仍然一无所获。

推荐答案

我已经测试了code，它在一个样本项目如下：

I have tested your code, and it works in a sample project:

ASPX：

<form id="form1" runat="server"> <div> <asp:ScriptManager runat="server" /> <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always"> <ContentTemplate> <div class="accountInfo"> <p class="submitButton"> <asp:Button ID="ValidateButton" runat="server" Text="Validate" OnClick="SubmitSponsor" /> </p> </div> <iframe runat="server" id="PayPalFrame" height="150px" width="100%" frameborder="0"> </iframe> </ContentTemplate> </asp:UpdatePanel> </div> </form>

codebehind：

Codebehind:

public partial class UpdatePanelIFrameTester : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } protected void SubmitSponsor(object sender, EventArgs e) { bool isvalid = true; if (isvalid) { PayPalFrame.Attributes.Add("src", "www.ironworks"); } } }

我要检查你的code和确保没有导致网页刷新/执行完全回发（我改变谷歌将不会让你在标准条件下的iframe中查看它的URL）。

I would inspect your code and ensure nothing is causing your page to refresh/perform a full postback (I changed the URL as google will not allow you to view it in an iframe under standard conditions).