I have a LinkButton which is in a Panel that contains an UpdatePanel. When clicked, the only thing that happens is the Panel closes. I need to do a postback to the parent page. How do I do it ? ...
How can I block postback caused by an ASP.NET Button (or, any other) server control? I.e. I shall push a Button but no postback will occur. ...
protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { lblPostBack.Text = " Text created first time"; } else { if (Session["Counter"] == null) { lblPostBack.Text = "PostBack x however strange becasue if is postback it's mean somebody clicked button and session va...
I have a menu usercontrol called LeftMenu that has a bulletedlist of linkitems. It's on the ascx page as such: <asp:BulletedList ID="PublisherList" DisplayMode="LinkButton" OnClick="PublisherList_Click" cssClass="Menu" runat="server"></asp:BulletedList> I databind the list in the page_load under if(!isPostBack) I'm having an issue on...
Once I click the button, it throws a "Validation of viewstate MAC failed" exception. I know MVC does not support PostBack but is there any way to work around this? Or we need to use HtmlHelper in MVC? Below is my code in View: <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <form id="form1" runat="server...
Good Day, I have a form that contains an external URL I want to post my data to. The problem is that I have several dropdowns that have AutoPostBack = true property set. How do I get my form to submit once all the data has been set THEN submit to the external URL without having the submit action occur everytime I change the value in m...
I have a problem in FireFox (3, 3.5...) browser with using AJAX Update Panel. There are DropDownList with some values and Button in the UpdatePanel. Update Panel works good in FireFox. So, after you click on Button, DropDownList stick, it’s impossible to change value in DropDownList. if change focus to another window and then back to ...
We're currently performing a cross-page postback using the PostBackUrl of an asp:Button: <asp:Button runat="server" PostBackUrl="processing.aspx" /> which generates this javascript onclick stuff: <input type="submit" name="ctl03" onclick="javascript:WebForm_DoPostBackWithOptions(new WebForm_PostBackOptions('ctl03', ', false, ', '...
I have a GridView that is inside of an UpdatePanel. I am using the RowCommand event to insert data, but currently if an exception is thrown, it is not being written to the trace like I want. Is there a way I can output the exception message when using the asynchronous postback? ...
Please bear with a bit of background first... I have a web application project to support file transfer operations to vendor product backend. It's composed of 2 HTTPHandler files compiled into a website on a Win2003 server with IIS 6.0: UploadHandler.ashx DownloadHandler.ashx These files get "POSTed to" from a ColdFusion website tha...
-- Running within ASP.NET MVC alongside jQuery -- I'm using jQuery to render a <LI> block as a list of dropdown menu items. There are 3 items in that list if the user is _not logged in - 4 items if he _has logged in. That 4th item needs to run a couple conditionals before it can decide exactly what payload it carries so I have that cod...
Hello, I read tis post but my problem still there. I try to execute a javascript multiple time on post back, and the script only execute the first time the page load. To make sure the script is register after each post back i use a guid for the javascript key name. var xyz = DateTime.Now.ToLongTimeString(); string script = @"Brok...
I have several small divs which utilizing jQuery draggable. These divs are placed in an update panel, and on dragstop I use the _doPostBack() JavaScript function. where i extract necessary information from the pages form. My problem is that when i call this function the whole page is re-loaded but i only want the update panel to be re-...
I need to autopostback my page on the first load, and i need to wait the entire page have finish loading before post back the page. I use in the page load if (!IsPageWasPostBack) { ScriptManager.RegisterStartupScript(Page, Page.GetType(), "forcePostBack", "Sys.WebForms.PageRequestManager.getInstance().add_endRequest(post...
Hi, I have a search page, you input some text in the input box and click search. It shows you the search results. The search click in just a href tag. I have to perform a search manually sometimes i.e. without the user clicking on the search link. So I did this via jqeury: $("#hrefId").click(); The page posts back fine, but for s...
I'm relatively new at web & ASP.Net development, so bear with me. In the course of testing our web pages, I noticed that if a user were to click "Refresh/Reload", and clicks "Retry" when prompted on the "Resend Info" dialog box, whatever last event that was fired before the user chose to "Refresh", will subsequently be fired again. As an...
A coworker showed me this: He has a DropDownList and a button on a web page. Here's the code behind: protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { ListItem item = new ListItem("1"); item.Attributes.Add("title", "A"); ListItem item2 = new ListItem("2")...
Consider the following code: public partial class TeacherControlPanel : System.Web.UI.Page { protected string username = string.Empty; protected void Page_Load(object sender, EventArgs e) { username = (string)Request.QueryString["username"]; Ice_Web_Portal.BO.Teacher teacher = Ic...
I am getting the querystring value during the first Page_Load() of destination page. But the querystring is returning null during subsequent postbacks(when I am pressing a button) so that my username variable becomes null. What to check for? ...
I have an update panel containing several divs which utilize jquery ui's draggable. On drag stop i want to do a postback which only effects the update panel. This works fine, but before continuing down this road i was wondering if a second divs dragstop event occured during a previous divs postback would both postbacks be executed prope...