updatepanel

ASP.NET Webforms UpdatePanel duplicate contents

由 被刻印的时光 ゝ 提交于 2019-12-13 18:29:27
问题 I've been handed a huge Webforms project which I'm trying to understand, and I have a problem where an Update Panel is duplicating a lot of its content. The aspx code for the panel is huge, hundreds of lines long, but it basically looks like this simple example, only with lots more asp:TextBox and asp:ListBox . <asp:UpdatePanel runat="server" ChildrenAsTriggers="true" RenderMode="Block" UpdateMode="Conditional"> <ContentTemplate> <div><table><tbody><tr><td> <label>Search</label><asp:TextBox

Startup script registered with ScriptManager.RegisterStartupScript is not rendered to page

由 点点圈 提交于 2019-12-13 17:19:31
问题 I have a call to ScriptManager.RegisterStartupScript in ASP.NET 3.5 that isn't being rendered to the page and I can't figure out why: System.Web.UI.ScriptManager.RegisterStartupScript( Page , typeof(ListControlBase) , "ShowPopup_" + ClientID , "alert(\"HI\");" , true ); The above call sits inside of a button handler in a base class (ListControlBase) that is sub-classed by a user control with an UpdatePanel (List Manager Control). This user control exists to manage a list of 1 to n copies of

ASP.NET UpdatePanel Error htmlfile: Unknown runtime error, updatePanelElement.innerHTML=rendering

由 旧巷老猫 提交于 2019-12-13 17:13:11
问题 I get this error when debugging my ASP.NET web application after I trigger an UpdatePanel: htmlfile: Unknown runtime error and "updatePanelElement.innerHTML=rendering" is highlighted in a ScriptResource.axd file. 回答1: I have encountered the same issue. In my case Page (Table) was not designed properly. Here is the issue details in my scenario: <table> <tr> <td> <asp:Label id="Lb1" runat="server"/> </td> </tr> <asp:UpdatePanel id="UP1" runat="server"> <ContentTemplate> <!-- controls in Update

Can I trigger an Update Panel from a Drop Down list in a User Control

由 孤者浪人 提交于 2019-12-13 07:26:01
问题 I have a user control in a master page with two drop down lists. When the user selects an item out of either ddl, I want to load a specific user control inside an update panel on the content page. I can't figure out how to get the user control to trigger the update panel. Any suggestions are very much appreciated. Master <%@ Register src="toolbar.ascx" tagname="toolbar" tagprefix="uc1" %> <head id="Head1" runat="server"> </head> <body> <form id="form1" runat="server"> <div> <asp

Update panel doesn't work in asp.net

由 ぐ巨炮叔叔 提交于 2019-12-13 06:59:41
问题 I am trying to show online train in my page without any refresh. So I think I have to use updatepanel . My panel should be updated every second. Let explain my code. I put this part of code in my page: <asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel1" runat="server" OnLoad="UpdatePanel1_Load"> <ContentTemplate> </ContentTemplate> </asp:UpdatePanel> So I put an interval function to refresh my panel like this, <script type="text

Gridview inside UpdatePanel on ModalDialog not updating after AsyncFileUpload

由 别说谁变了你拦得住时间么 提交于 2019-12-13 05:52:19
问题 I have a GridView inside an update panel, and a AsyncFileUpload (outside the Update Panel) that I am using to upload Images. All these are in a ASPX page called using the SHOWMODALDIALOG . What I'm tying to achieve: 1. As soon as the file upload completes, the Update Panel updates, and the gridview displays the image the user just added. The problems I'm facing: 1. The Gridview is not refreshing, even though I have a Databind event after the file is uploaded to the database. The Update Panel

prevent page from scroll up in asp.net link button

由 依然范特西╮ 提交于 2019-12-13 05:35:15
问题 how can I prevent page from scroll up after user click link button I have update panale warp my form I try to user on OnClientClick="return false" but no use even I try this Javascript function window.scrollTo = function (x, y) { return true; } 回答1: You can try .Focus() server-side method. E.g. if your LinkButton is called LinkButton1, add this to your Linkbutton's Click event handler: LinkButton1.Focus(); 回答2: Try setting the MaintainScrollPositionOnPostBack property to false (MSDN reference

how to prevent user controls code behind running in async postbacks?

由 社会主义新天地 提交于 2019-12-13 04:57:49
问题 I have a aspx page which contains dozens of custom controls issue is i have a asp.net Ajax update panel which update small area of the page which other user controls lives in the page.(user controls are outside the update panel and update panel has UpdateMode="Conditional") Is there a way of programatically prevent running code behind of custom controls, Since this seriosly degrade performace/page load time. I have a check for IsAsyncPostback for script manager to prevent unnecessary calls to

Conflict between jquery and ajax

由 柔情痞子 提交于 2019-12-13 04:57:31
问题 I use Igoogle component inettuts and I have some links in the side of my web page if the user remove a block of data he can get it back i use ajax to achieve my goal as the following : My .aspx : <ul id="column2" class="column" runat="server"> <asp:UpdatePanel ID="uppnl_2" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID="rlv_mainservices" EventName="ItemCommand" /> </Triggers> </asp:UpdatePanel> <!-- ////////////////////////////////////////////////--> My .cs : protected void

Crystal report with update panel asp.net

由 筅森魡賤 提交于 2019-12-13 04:01:31
问题 I'm developing an asp.net web site. In that web site i need to display a report with the help of crystal report. Html <asp:UpdatePanel ID="uPnlMain" runat="server" UpdateMode="Conditional"> <ContentTemplate> <table> <tr> <td> <asp:Button ID="btnSave" runat="server" CssClass="btn" OnClick="btnSave_Click" Text="Show"/> </td> </tr> <tr> <td> <CR:CrystalReportViewer ID="CrystalReportViewer1" runat="server" AutoDataBind="true" /> </td> </tr> </table> </ContentTemplate> </asp:UpdatePanel> Report
订阅 updatepanel