AJAX :: Can't Get The UpdatePanel To Refresh After DB Update
Mar 29, 2010
I am dynamically ading the following to an UpdatePanel
Tab control which has X# of Tabs, each Tab has a various labels and a Rating Control.
When the user hits the Rating contro, the RATING_Changed fires and runs a stored Proc to update the DB. I want the Panel to then display the newest information back from the DB. I can't seem to get the last part to work. I'm still learning .NET so i may have missed somethign easy, but i've tried setting AutoPopstback, using Triggers, etc.
The DB Update does take place but the NEW contents are not displayed
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Jan 14, 2010
I have a page under MasterPageFile, I try the following code into my page; However, I can't see the update progress content when the page refresh.
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">
<asp:UpdatePanel runat="server" ID="upLN" UpdateMode="Conditional">
<ContentTemplate>
<table>
<!-- My Web page content here.... -->
</table>
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress runat="server" ID="ugLN" AssociatedUpdatePanelID="upLN">
<ProgressTemplate>Image here for showing the progress bar...</ProgressTemplate>
</asp:UpdateProgress>
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Aug 25, 2010
i have a website with three UpdatePanel Control and inside of each UpdatePanels has ONE Gridview and a SqlDataSource Control.
all gridviews are connected to its own SqlDataSource Control. so technically when i run my website all gridviews automatically get their data from their respective SqlDataSource Control and display them accordingly.
but what i need to do is instead of letting all the update panels to load each gridview their data upon Onload event, i need the updatepanel to update on queue, (Technically changing the UpdateMode to Conditional does not solve my problem.) there will be an event which will trigger the updatepanel to update later.
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Oct 14, 2010
i am using a TabContainer and at each TabPanel i have embed an UpdatePanel in order to update each tab alone.
this is my code:
[Code]....
the problem is that it makes several seconds to update each tab (the same time for every tab) and i asume that this is happening because it updates all the TabContainer and not the selected Tab.
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Jul 23, 2010
I have a simple ListBox and a Ajax File Upload control. I have these controls within an Update panel. But I cannot get the ListBox to update upon uploading a new file.
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Feb 26, 2011
I have 2 ddls (cascading that does not use the AJAX cascading ddl) within an updatepanel within an EditTemplate field in a DetailsView. Changing the first ddl causes a full page refresh (this is the problem I am trying to overcome), but changing the second ddl does not. The second ddl is set to autopostback as well because of other logic (if user selects value "Add" a modal pops up to add a new option to the database).
Now the first, does a call out to a class to handle setting the list of values for the second...that is the only difference I can tell between the two, but I wouldn't think that would cause the issue because it is within an updatepanel.
Here's the code:
[Code]....
On Selected Index Change code for each
For the First:
[Code]....
For the Second:
Protected Sub ddlModel_SelectedIndexChanged(ByVal sender As Object, ByVal e As System.EventArgs)
Dim ddlModel As DropDownList = dtlBikes.FindControl("ddlModel")
Dim ddlMfg As DropDownList = dtlBikes.FindControl("ddlMfg")
If ddlModel.SelectedValue = "Add" Then 'Add New Record
txtDDLName.Value = "ddlModel"
txtDtlsViewName.Value = "dtlBikes"
txtItemType.Value = "BikeModel"
txtParentID.Value = ddlMfg.SelectedValue
txtNewItem.Text = ""
txtNewItem.Focus()
lblNewItem.Text = "Enter New Model:"
modInsertItem.Show()
End If
End Sub
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Jan 20, 2011
I have two updatepanels on my site (upanProfileSearch and upanMemberList). When I hit the button in the upanProfileSearch it should bind the Data Items in the gridview in upanMemberList and here make a RowFilter on the text in upanProfileSearch. When I make a run to curser, I can see, it happens. It makes a RowFilter. but it doesn't update the gridview. Can anyone tell me why it doesn't update? I have UpdateMode="Always" and RenderMode="inline" on both UpdatePanels.
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Nov 1, 2010
I have a Gridview which is inside a Updatepanel which is updated through a Timer Control every 5 seconds.
So every 5 seconds I get new data in the rows. I am facing an issue in which I want to display the whole mult-line content of my Textbox(es).It displays fine but the modal window disappears after the UpdatePanel is updated.
How do I display this pop-up modal window and make it stay while the UpdatePanel continues to update the rows in the background?
Here is part of my code:
[Code]....
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Feb 16, 2010
I have seen this discussed in number of topics, but so far nothing to address my specific issue. I want to display the page the client, and then trigger an updatepanel refresh that will populate with data that takes 3-4 seconds to load (the rest of the page loads very fast). At the same time I want to display "...Loading..." text using UpdateProgress control.
Everything is working below in the sample code. However, UpdateProgress will not display unless the button is actually clicked by the user. In real production scenario I would hide the button. To invoke the immediate UpdatePanel refresh I trigger the click via Javascript. I have also tried "__DoPostBack" without success.
<code>
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="TestUpdate.aspx.cs" Inherits="TestUpdate" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> [code]...
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May 12, 2010
I got strange behaviour here. My environment is VS.Net 2008 Team server and I tried to use updatepanel but failed.
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When I clicked the button, I expect Label3 inside updatepanel to be updated and Label2 remained the same, AND of course without page refreshing flick. But the result is page is completed refreshed and both labels are updeted.
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May 28, 2010
Here is the code. On button click it should perform async refreshing. Instead it does a full page postback.
[Code]....
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Oct 25, 2010
I am using AJAX extension in visual studio 2005. First of all i am created a Web custom control which contains Dropdown list. I have also set AutoPostBack="true" for getting its SelectionEventChange event.
I am added this web control on another page inside a UpdatePanel.(i added dynamically on another page).
MyControl = (MyControl) LoadControl("MyControl.ascx")
My problem is when i select the values from dropdown it refersh my whole update panel.
<Triggers>
<asp:AsyncPostBackTrigger ControlID="DropDownList1" EventName="SelectedIndexChanged" />
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Apr 25, 2010
I have a page that displays data depending upon the date range entered by the user into two textboxes. I have added the CalendarExtender control from the Ajax Toolbox to each of these two textboxes, and I would like the associated updatePanel to refresh with new data whenever either of the two dates is changed. Sounds simple enough, but I have not been able to manage it so far.
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May 7, 2015
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<div style="width: 100%; padding-top: 1em">
<img src="Abme/img/rating.png" alt="view" height="25px" width="25px" style="float: left" />
[Code] ....
My ajax rating panel
protected void OnRatingChanged(object sender, RatingEventArgs e) {
SqlConnection con = new SqlConnection(connStr);
SqlCommand cmd = new SqlCommand("Insert into rating(rating,postid) values(@rate,@pi)", con);
cmd.Parameters.AddWithValue("@rate", e.Value);
cmd.Parameters.AddWithValue("@pi", Request.QueryString["ID"]);
[Code] ....
The rating value get inserted to database async but updated rating is not displayed after update. I have to refresh page in order to display updated ratings.
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Feb 26, 2011
I have Update panel in Master page:
<asp:ScriptManager id="CartScript" runat="server"></asp:ScriptManager>
<asp:UpdatePanel id="CartBox" runat="server" updateMode="Conditional">
<ContentTemplate> [code]...
But i got same error. how I can add to my Update Panel that Button from Content Page can refresh it?
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Jul 14, 2010
I've exempted the irrelevant bits of code. Essentially, I am trying to change the URL of an image control inside of an update panel inside of a custom user control from a function called inside an update panel from my main page. Using UpdatePanel.Update() isn't working: I end up waiting for the next full page POST to occur before all the updates I make to CustomControl from buttons within the main page's update panel are visible. I verified that Update() was being called via the debugger: there are no issues in that department.
Here, you can see Custom Control and the Button declared. The button is in an update panel to avoid giving a full POST and causing the whole page to reload.
<cust:CustomControl runat="server" ID="CustomControl1">
<asp:UpdatePanel runat="server" ID="UpdatePanel1"> <ContentTemplate>
<asp:Button id="Button1" runat="server" OnClick="DoStuff" />
</ContentTemplate> </asp:UpdatePanel>
This control stores images within their own seperate update panels because rerendering the images is very slow (it requires processing arrays of millions of datapoints) and the user only ever needs to modify one image at a time. I'm using Image1 as an example.
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Dec 9, 2010
I am having a weird issue with the update panels. I have an update panel in UpdateMode = Conditional . I have a dropdown list and a grid view..the gridview has to be updated ÖnSelectionChanged event on the dropdown.
The issue here is on changing the selection on dropdown, the onselectionchanged event is triggered, new data is grabbed, bound to gridview..but does nt update the update panel even after the updatepanel.update();
[Code]....
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Nov 28, 2013
How to aomatically refresh particular section of a web page Not whole page.
I want to auto refresh 2 different sections of a web page in my website without using javascript.
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May 7, 2015
[URL] .... am using this functionality in my project and it is working very fine but i am facing very strange issue while using this.
The above functionality is not working when we place dropdownlist and textbox inside updatePanel and ModalPopupExtender
The .aspx page where i am using ModalpopupExtender and UpdatePanel for DropDownList and Textbox is below
<%-- *************************** MODAL POPUP EXTENDER ***************************************************** --%>
<asp:HiddenField ID="HiddenField3" runat="server" />
<asp:HiddenField ID="HiddenField4" runat="server" />
<cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server" PopupControlID="Div6" TargetControlID="HiddenField3"
BackgroundCssClass="modalBackground" CancelControlID="bclosemodalpopup" >
</cc1:ModalPopupExtender>
[Code] ....
The above code is not working with UpdatePanel but it is working if we remove DropdownList and Textbox from updatepanel.
The javascript code which i am using is below
<script type = "text/javascript">
var ddlText, ddlValue, ddl, lblMesg;
function CacheItems() {
ddlText = new Array();
[Code] .....
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Jan 7, 2011
How to refresh the update panel on timer_tick event???whats the code for that..?
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Mar 12, 2010
I have a gridView and on the DataBound event I am assigning a Session variable from one of the gridview results. This session is then used to determine if certain nodes in a menu are visible. One problem is that when the session variable is assigned, the menu is not updating, until either I refresh the page manully in the browser or move to another page.
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Jun 27, 2010
I have a number of cascading dropdownlist controls on a page. The results in dropdownlist2 are dependent on the results in dropdownlist1, pretty basic stuff.
I now would like to eliminate the terrible postback or refresh of the page that occurs after the SelectedIndexChanged event fires on dropdownlist1, is it possible to do that in Ajax?
What I want the results in dropdownlist2 to populate without the obvious refresh of the page.
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Jan 8, 2011
How to refresh update panel on the tick event on timer..? how to so this thing??What is the code for that..?
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Sep 23, 2010
I for a page with multiple update panel in parent page, I got a button that will open a child window, after I close the child window, how can I refresh the parent page? And I only want to refresh a single update panel section instead of all other update panel section.
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Oct 20, 2010
I was working on this last week and took a break from it to 'regroup' and start over. Here is what I'm trying to accomplish.
1. have a web form with dropdowns to allow the user to select font sizes, colors, background image, etc.
2. I want to the form to be updated with the new styles in an update panel.
3. Once the user clicks the apply button, I want the updatepanel to refresh with the new styles.
I tried this by creating an css on the fly, but the updatepanel wasn't picking up the new css without doing a full page refresh, (which we don't want to do). I only want the updatepanel refresh and either use inline styles, a <style> on the web form etc,
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