updatepanel

问题 I am writing a captcha authentication program in ASP.NET C#. The problem i face is that the image gets refreshed on entering wrong value during a postback; but same image doesn't get refreshed during a partial postback, when i keep them inside an update panel. aspx source <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:Image ID="ImageCaptcha" runat="server" ImageUrl="~/BringImg.aspx" /><br /> <asp:TextBox ID="txtCaptcha" runat="server" ></asp:TextBox><br /> <asp

问题 Timer in asp.net works when I run the application in localhost and when I upload and check online timer just don't work. I have a condition when user click on "Request Item" button, in a label a message should show as "Submitted successfully" else "Some Error Message". So, What I did was, I created an update panel and inside that I placed a submit button with 2 labels one for successful message and another for error message. And a timer control, which I've setted up for 2 seconds in order to

问题 Issue details: After saving the data in DB, I need to show an alert to the user. For this, I have registered the script from code-behind. But it is NOT working with update-panel whereas it works as expected without update-panel. I need to make it work with update-panel. I tried by adding $(document).ready(function () while registering the script, but it didn't work. Then, I tried with ScriptManager.RegisterClientScriptBlock() method instead of Page.ClientScript.RegisterStartupScript() , but

问题 <asp:UpdatePanel ID="CartUpdatePanel" runat="server"> <Triggers> <asp:AsyncPostBackTrigger ControlID='<%= rdoSelect.ClientID %>'/> </Triggers> <ContentTemplate> <asp:Timer ID="cartTimer" Interval="5000" runat="server" OnTick="cartTimer_Tick"> </asp:Timer> <asp:GridView ID="gridCartSearch" runat="server" AutoGenerateColumns="False"> <Columns> <asp:TemplateField HeaderText="Select"> <ItemTemplate> <asp:HiddenField ID="Serial" runat="server" Value='<%# Eval("serialnum") %>' /> <asp:RadioButton

问题 I have an image that is generated automatically inside an Ajax UpdatePanel. This image is a graph that is generated from server-side code. Searching in Google, I realised it was a bug of FF. Does anybody have any solution? Here is the source (it contains also unneeded tags, I just copied-paste) <div> <asp:UpdatePanel ID="UpdatePanelGraph" runat="server" UpdateMode="Conditional"> <ContentTemplate> <asp:Panel ID="pnlGraph" runat="server" CssClass="container"> <div id="chart"> <Web:ChartControl

问题 I´ve read most posts here but i can´t figure out why the "CheckedChanged" Event is not firing. Here is my situation. I´m using a Repeater to generate Items out of a Database. Each ReapeaterItem should include an UpdatePanel, because i have to Update the Controls inside the UpdatePanel and do not want to reload the complete page. Inside these dynamically generated UpdatePanels (each RepeaterItem has one) i´m adding up to three Checkboxes dynamically (based on the Database). These Checkboxes

问题 There is a bug in my website. Please go to the third menu from the right : There are images which onlclick would be shown with jquery photoviewer . This works fine . Now problems comes when , I click on the Ajaxical update button on the bottom of the page below : After the response comes jquery photoviewer doesn't work correctly . It opens images as separate link instead of opening inside photoviewer . Here is the code for the tab: <div class="tab-pane" id="aakhir_alshur"> <asp:UpdatePanel ID

问题 <asp:FileUpload runat="server" ID="uploadCertification" /> <asp:Button runat="server" ID="btntext" OnClick="btntext_Click" /> Code uploadCertification.PostedFile.SaveAs(serverPathImage + "\\CertificationCompany\\as.td"); this code work fine but when <asp:ScriptManager ID="ScriptManager1" runat="server"> </asp:ScriptManager> <asp:UpdatePanel ID="UpdatePanel3" runat="server"><ContentTemplate> <asp:FileUpload runat="server" ID="uploadCertification" /> <asp:Button runat="server" ID="btntext"

问题 If I want to dynamically show or hide several User Controls. Would it be better to use Panels that load the User Controls and then show or hide the Panels (visible=true/false) or would it be better to use a PlaceHolder and load (add) or unlaod(clear) them at runtime (LoadControl())? a) I have a page that uses AJAX UpdatePanel. The page has 10 Panels, each Panel loads a User Control. In code behind I make the a Panel visible or invisible, only show one at a time. This solution is simple, as

问题 So I have this Checkboxlist and I want to implement a Select All feature for the elements inside it. I placed it inside an UpdatePanel, but everytime I click an item, the entire page is reloaded. This is my code: <asp:UpdatePanel ID="CBLPanel" runat="server" UpdateMode="Conditional" ChildrenAsTriggers="false"> <ContentTemplate> <div class="LeftAligned"> <asp:Label ID="FilterLabel" runat="server" Text="Filter by:" /> <asp:DropDownList runat="server" ID="FilterDDL" AutoPostBack="true"