Web Forms :: Hooking Dynamic Controls Inside An Updatepanel As An Asynctrigger To Another UpdatePanel?
Oct 7, 2010
I have two update panels and one javascript control.
When the javascript button is clicked, it forces a partial postback on UpdatePanel2. UpdatePanel2 is populated with dynamically created buttons that have javascript effects (jquery) but when click can also induce a postback. My problem is that, when clicking on these dynamic buttons, the whole page does not do a partial post back but rather UpdatePanel2 itself does a partial postback and everything is gone.
However, what I want to do is be able to tie each of the dynamic buttons in UpdatePanel2 (After being dynamically created) and make them an asychnonous triggers to UpdatePanel1. So that when clicking on these dynamic buttons, ONLY UpdatePanel1 is doing a partial postback refresh. UpdatePanel2 stays put and remains the same.
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Feb 9, 2011
I have an updatepanel with a radiobuttonlist, which looks like this in my markup code:(also, I tried specifying the AsyncPostBackTrigger with the specific eventname "OnSelectedIndexChanged" - no succes either).
[Code]....
In code behind, loads of things happends. But the primary important thing is this method which is being called:
[Code]....
Now, in each postback this is set as a datasource (it is not loosing its datasource because of some timer).What my problem is: Even though the Page_Load event is being fired and I can see the datasource has changed, the content I see in the radiobuttonlist stays the same!
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Sep 7, 2010
I had been created some dynamic radio buttons in a loop inside a dinamy table which is inside an UpdatePanel , but i can not handle the events my code is below:
public void MetodoCreacion()
{
RadioButton RBtn = null;
Table table = new Table();
TableRow row = null;
TableCell cell = null;
for (int i = 0; i < 5; i++)
{
row = new TableRow();
cell = new TableCell();
RBtn = new RadioButton();
RBtn.ID = "RBGN_" + i.ToString();
RBtn.GroupName = "RBGN1";
RBtn.Text = "Opcion " + i.ToString();
RBtn.CheckedChanged += new EventHandler(RBtn_CheckedChanged);
RBtn.AutoPostBack = true;
cell.Controls.Add(RBtn);
row.Controls.Add(cell);
table.Controls.Add(row);
}
UpdatePanel1_UpdatePanelAnimationExtender.Controls .Add(table);
}
public void RBtn_CheckedChanged (object sender, EventArgs e)
{
Label1.Text = ((RadioButton)sender).ID;
}
and the controls doesent call the event.
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Feb 14, 2011
I have a script inside an updatepanel. This script needs to be inside the updatepanel as it must be located in that spot.
Now when we click the "LinkButton" to update the updatepanel, the script will dissapear.
It seems that the script only is initiazed on the first Page_Load and Refresh of the page.
How can we keep it when pressing the "LinkButton"?
Complete code is below:
[Code]....
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May 7, 2015
I have usercontrol (called A) and update panel in it
Following are the control in my updatepanel
1. gridview with link button
2. DIV outside the gridview to load the usercontrol (B) from c#
when i hit the link button of gridview i am loading my usercontrol(B) dynamically from code behind and adding it to the DIV which is working fine. I have button inside the the usercontrol (B) and if i hit the button it doesn't trigger the action.
Not sure why it doesn't trigger the click event. i googled and tried enabling ChildrenAsTriggers="true" though it didn't work.
Test.ascx :
<asp:UpdatePanel ID="upList" runat="server" ChildrenAsTriggers="true" >
<ContentTemplate>
<asp:GridView ID="gvList" AutoGenerateColumns="false" runat="server" Visible="true" Width="95%"
OnRowDataBound="gvList" DataKeyNames="Id" GridLines="None"
ShowFooter="false">
[Code] .....
On Template_Click event i am loading the user control from code behind and adding it to the div[divContainer]
I tried to investigate in deeper and found that the update panel causing the issue. If i use the below code[rfered one of your article] on the page load event then it works fine. the button triggers it's action. but when i click the button which is in gridview, it should not post back as it is in update panel, but it postback.
private void RegisterPostBackControl()
{
foreach (GridViewRow row in gvList.Rows)
{
LinkButton lnkFull = row.FindControl("Template") as LinkButton;
ScriptManager.GetCurrent(this.Page).RegisterPostBackControl(lnkFull);
[Code] .....
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Mar 26, 2010
i have Linkbutton inside updatePanel and when i click on it it returns following error
An extender can't be in a different UpdatePanel than the control it extends
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Mar 28, 2010
I have copy and paste this Alert Class:[URL] It works except with a button inside an update panel but it shows no error. The asp code inside is executed but nothing shows up on client side.
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Aug 16, 2010
I have an UpdatePanel with a GridView. This GridView has a template column that is a DropDownList. The problem is that the SelectedIndexChanged event does not fire for the DropDownList. Here is the code:
[Code]....
The codebehind:
[Code]....
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May 2, 2010
I have an UpdatePanel which has inside a detailsview, this DetailsView has a TemplateColumn with a UserControl.The UserControl has a NumericUpDownExtender and when the user clicks on an arrow or changes the value of the textbox a server event is raised (this is made by me, not default behaviour). I do this by using the add_currentChanged of the extender (in the javascript pageLoad function, and remove_currentChanged (in the javascript pageUnload function) and implementing the interface ICallbackEventHandler in the UserControl. My problem is that when the user click on the arrow, the event is raised twice and the correct value is overwritten.
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Apr 9, 2010
I have a gridview which is inside the update panel. Also I have setup a multipe filters which works fine. After the search I get the correct returns and page numbers but as soon I switch the pages, it loses its state and lists all the page numbers.
[Code]....
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Feb 22, 2010
I have a datalist that has an imagebutton, I want the updatepanel to trigger each click of the imagebutton of each result. How Can I do that?
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May 10, 2010
I have a couple of dropdowns inside an Ajax Update Panel. When I try to rebind the controls or set the selected index of the drodowns inside the panel, they don't respond.
For example, I update the database records and need the dropdowns to display updated data. I set the data source for the dropdowns, rebind them and update the UpdatePanel, but it still shows the old data.
[Code]....
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Aug 25, 2010
I had a group of controls. They were programmatically referenced so that I could change the text of the labels. It all worked well. So I just put an update panel in and put the controls [i]inside[/i] the UpdatePanel. Now the code that references these labels inside the update panel are no longer recognized. I imagine it's because they are inside the updatepanel now. But for some reason, the web application still works correctly, but the code is blotched up with errors every time a label inside the updatepanel is referenced. My question is, how do I programmatically reference the labels that are located inside the update panel?
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Aug 3, 2010
I have a ListView control on a page that I need to support inline editing and inserting. Before I put it inside an update panel, everything was fine. As soon as I put it in an update panel, I seem to lose theOnItemUpdating, OnItemCanceling events. The OnItemEding event still fires, though.I am doing all updating, inserting manually.
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Jan 30, 2011
I have an user control inside an UpdatePanel. Once an event is triggered and updates the user control - it seems to lose its css styles. This happened to me in IE8 only, while in Chrome and FF it was fine.
A user control for example:
[Code]....
In Chrome and FF it seems to be working as expected (button click causes current time to display in the user control, nothing else happens), but in IE8 the div inside the user control loses its styles (background color, borders). What could be causing this problem, and what can be done to prevent it?
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Feb 26, 2010
I use a tabcontrol with 2 tabs. In the second tabpanel as seen in the code I use a Fileuploadcontrol to upload Images from a users computer.
The problem is that I need to surround the tabcontrol with an updatepanel as I dont want a fullpage postback when switching between these 2 tabpanels. In this code I have the tabcontrol inside an updatepanel but the problem is that the Fileupload controls does not seem to work inside an updatepanel.
How will I solve this problem as I dont want a fullpage postback when switching between the tabs ?
[Code]....
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Aug 24, 2010
i have a gridview in updatepannel, i want to display selected row's content in a text box which is outside the pannel. at the time of selection nothing appear in textbox. but if i put gridview outside the pannel then code works fine.
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Nov 24, 2013
I want to implement this concept using master page, but its not working.
[URL] ....
When i click on the button 'Print Current Page', no action is taking place, even that print window is also not opening.
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Jul 28, 2010
i have two nested gridview inside an update panel. there is a button called btnPhoneEdit inside the child grid view. when the button gets clicked, it do cause partial post back as expected but it fails to invoke btnPhoneEdit_Click.
here is how my grid view looks like and how i add my custom data source to both parent and child grid view.
[Code]....
[Code]....
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Feb 27, 2013
In my gridview in header section i have checkbox when ckeck all checkbox get checked/Unchecked bt when i added update panel to gridview postbback gone bt ckeckall not functioning properly the script i use is..
<script type="text/javascript">
$(document).ready(function() {
$('[id$=chkHeader]').click(function() {
$("[id$='chkChild']").attr('checked', this.checked);
});
});
</script>
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Nov 25, 2013
I have below code that i am using to export the Gridview data to excel sheet:
<%@ Page Language="C#" MasterPageFile="~/admin/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="admin_Default" Title="Untitled Page" EnableEventValidation="false"%>
<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc2" %>
<asp:Content ID="Content1" ContentPlaceHolderID="head" Runat="Server">
[Code] ....
But it is not working....
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Sep 24, 2010
I have a gridview inside UpdatePanel.
Inside gridview there is a dropdownlist and a button on each row. On button click I am opening a panel through Modal popup extneder.
Inside that pop up there is again a dropdownlist. I am adding an item into this dropdownlist based on the selection from the dropdown inside gridview.
like ddl.items.insert(0,'xyz');
But first time this inserted item is not getting reflected in the dropdownlist. But after one postback this item is getting reflected.
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Oct 4, 2010
I'm trying to add and edit an image which is located in a detailsview which is inside an UpdatePanel. After I read relevant topics in the forum I installed the Ajax Control Toolkit. Below is my source code. When I used it only for insert new image it worked great. The problem caused when I tried to implement it on the Edit mode, i.e. when I tried to edit the image and upload a different image. Unfortunately it didn't work as I hoped. Nothing happend and the image hasn't been changed. I also tried to change the IDs (AsyncFileUpload ID) to be the same in both places but it didn't work either.
The source code:
<asp:DetailsView ID="dvMovie" runat="server" Height="50px" Width="695px"
AutoGenerateRows="False" DataSourceID="sdsMovieById"
BorderColor="#E7E7FF" BorderStyle="None" BorderWidth="1px" [code].....
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Feb 27, 2011
OnClick event of a button inside and updatepanel doesn't fire
[Code]....
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Feb 25, 2016
I followed your topic to select all rows with checkbox in gridview header and it is verygoodThis is code :
<script type="text/javascript"> function CheckAll(objRef) {
var grid = document.getElementById("<%=Grd_Data.ClientID%>");
var headerCheckBox = document.getElementById("ChkAll");
var inputs = grid.getElementsByTagName("input"); for (var i = 0; i < inputs.length; i++) {
if (inputs[i].type == "checkbox") { if (objRef.checked) { inputs[i].checked = true;
} else { inputs[i].checked = false; } } } }</script>
But i noticed that when i deselect a row in gridview the checkbox in header is still checked.How can i fix this problem that when i deselect one row from gridview the checkbox in grid header change to be unchecked ?
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