How can I tell if a method is running in the context of an AJAX postback (i.e as the result of a UpdatePanel (asynchronous) postback)? According to egoldin Page.IsAsync is a very common confusion that has absolutely nothing to do with AJAX. The correct approach is to use ScriptManager.GetCurrent ( Page ).IsInAsyncPostBack. ...
I'm working on an ASP.Net application and working to add some Ajax to it to speed up certain areas. The first area that I am concentrating is the attendance area for the teachers to report attendance (and some other data) about the kids. This needs to be fast. I've created a dual-control set up where the user clicks on the icon and via ...
Hi All, I have a ASP.NET 3.5 App and trying to update a Update Panel which has a nested custom control. In that custom control is a ComponentArt Gird, which gets filled by almost 13MB of Data (Yes, I could chunck that...) at this Update. I have a hidden button wihtin the update Panel, which I trigger by JS from client side, when I need...
I'm using asp.net/c# and have a number of Collapsible Panel Extenders that have been dynamically created when the page loads. The controls are within an update panel that updates every 5 seconds. The problem I have is whenever the update panel updates the state of the controls is reset. For example the Collapsible Panel Extender start li...
I'm using an UpdatePanel and want to put a CompareValidator on two text boxes, to verify that the user-entered password and confirmation are the same. This is working fine (I have VS2008 and am using .NET 3.5) out of the box, with one minor problem: The validation is firing as soon as the user clicks out of the first textbox, before th...
I have code in an Update Panel and even though on a button click i am inserting data into a db and simply calling Updatepanel.Update() the whole page is reloaded: Gifts.ASPX <table style="width:100%;"> <tr> <td> <asp:Label ID="Label2" runat="server" Text="Gift"></asp:Label> ...
Hi folks, I'm trying to load javascript code with a user web control into a page via a the Page.LoadControl method during an asyncron post back of an update panel. I've tried the specially for that scenario designed methods of the scriptmanager, but the javascript just doens't get returned to the user. To explain my scenario a bit bet...
I have several input and option elements on my page, each (well almost) have an event attached to update some text on the page once they change. I use jQuery which is really really cool :) I also use Microsofts Ajax framework, utilizing the UpdatePanel. The reason why I do that is that certain elements are created on the page based on ...
I have a radajaxpanel that is populated with the selected item from a combobox on another update panel. Currently the radajaxpanel is the same background color as the rest of the page. What I'd like to do, is based on it being populated with data, change it's background color to a muted red. I want it to stand out as an action that ha...
I have a page with a few fields and a runtime-generated image on it. The contents of this page are inside an UpdatePanel. There is a button to take the user to a secondary page, which has a button that calls javascript:history.go(-1) when clicked. The problem is, the first page does a full request instead of a postback or just using the...
Hi, I need to determine in the page is loading in a partial rendering mode (when posting back from within an UpdatePanel). Any suggestions? ...
How is is possible to call client side javascript method after a specific update panel has been loaded? Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler) does not work for me because this will fire after ANY update panel finishes loading, and I can find no client side way to find which is the one ScriptMan...
I am unable to generate an excel in an Atlas Update Panel. (Since a response cannot be ended/written [XML] in the update panel) I don't want to use asp:updatepanel .. Is there any other way? Any correct answer will be highly appreciated... Thanks in advance ...
I am attempting to get a DropDownList to AutoPostBack via an UpdatePanel when the selected item is changed. I'm going a little stir-crazy as to why this isn't working. Does anyone have any quick ideas? ASPX page: <asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always" ChildrenAsTriggers="true" > <ContentTemplate>...
I'm doing some straight up asynchronous calls from javascript using the XMLHTTPRequest object. On success, with certain return values, I would like to do an asynchonous post back on an update panel and run some server side methods. This is about how I'm implementing it now: <script language="javascript"> function AjaxCallback_Suc...
I'm finding that hitting the "Refresh" button on my browser will temporarily screw up the ViewState for controls inside an UpdatePanel. Here's my situation : I made a custom WebControl that stores values in the ViewState. I put this control inside an UpdatePanel. When I hit the "refresh" button on my browser, it will temporarily wipe ...
I have a asp:ListBox wrapped inside an asp:UpdatePanel. The list box contains all the United States. If I select Alaska, for example, and then scroll down to select Wyoming, the listbox jumps back up to the top of the list instead of staying on Wyoming and it deselects Alaska, but Wyoming remains selected. Has anyone ran into this bef...
I have been using the ASP.NET AJAX UpdatePanel control a lot lately for some intranet apps I've been working on, and for the most part, I have been using it to dynamically refresh data or hide and show controls on a form based on the user's actions. There is one place where I have been having a bit of trouble, and I'm wondering if anyon...
Hi, I've got multiple UpdatePanel's on a page and i'm updating 2 of them manually by calling __doPostBack. However the problem is the first call seems to be reset when the second call is made (it never updates the panel that i requested to update first). I've got these calls wrapped in setTimeout, but it does not seem to help. Any sugg...
I created an admin page for a web application, and it's mostly ajax. Almost all the events in the page update one of the UpdatePanels on the page. How can I save each UpdatePanel state in the user's history so when the user pushes the browser "back" button they wont get redirected to the login screen ? ...