AJAX :: Refreshing Controls Outside An UpdatePanel?

Jan 14, 2011

I have an UpdatePanel with some controls, and a tree control outside of the UpdatePanel. The tree control is huge (~4 MB) hence I don't want to refresh the tree on postbacks from within the UpdatePanel.

Main settings:

[Code]....

Everything is working great, except during one of the PostBack from within the UpdatePanel, I want to refresh the tree. This just does not seem to be possible.

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AJAX :: GridView In UpdatePanel Not Refreshing?

Feb 11, 2010

Here is the setup:

VS 2008Update PanelIn the update panel, is a gridview, and an asp:panel that contains some other controls, including the button I want to trigger the update of the gridviewThe gridview is tied to a sqldatasource, although I have tried multiple methods to get the data and all failed

Here is the problem:

User logs in and fills out the top part of the form. That submits some data to a table, returns the ID of the row submitted and makes an asp:panel visible (panel.visible=true). This update panel exists inside of the UpdatePanel. The user clicks a drop down list and selects a name. When this happens, another panel becomes visible, using the same process, to allow the user to enter data about the name they selected. So far, everything works.

What Should Happen next:

User clicks "Add" buttonDatabase is updated with the data enteredDatasource refreshesGridview refreshes - It is not visible at load because there are no records for it to show.

What Actually Happens:

User clicks "Add" button Database is updated with the data entered - This has been verified Datasource should update, but not sure it is Gridview does not show.

Here is the code snippet for the Update Panel:

[Code]....

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AJAX :: UpdatePanel Keeps On Refreshing The Page?

Apr 14, 2010

It keeps on refreshing the page I'm using framework 4 (VS 2010 RC1Release).

This code was working in framework 3.5

all the pages in framework 4 that i've been using updatepanel it keeps on refreshing the page.

But works fine in framework 3.5 (VS 2008).

<form runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server" OnLoad="upCountDown_OnLoad" >

[Code]....

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AJAX :: AutoPostback In Repeater In UpdatePanel Is Refreshing The Page?

Aug 31, 2010

I've got a TextBox with AutoPostBack="true" and OnTextChanged property set.

The textbox is located inside a Repeater, which in turn is located inside an UpdatePanel.

Problem is - whenever the TextBox postsback, the whole page gets reloaded, instead of the UpdatePanel only.

Here's how the thing looks:

[Code]....

Interesting thing is, if I take the TextBox out of the repeater, it refreshes only the UpdatePanel. So is if I put a Button inside the repeater - only the UpdatePanel gets refreshed. But whenver I place an AutoPostBack-ing control inside the Repeater, the whole page gets refreshed.

[Code]....

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AJAX :: Refreshing UpdatePanel On Selecting Date With CalendarExtender?

Oct 26, 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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AJAX :: GridView Not Refreshing In UpdatePanel After Selecting LinkButton?

Oct 11, 2010

This GridView contains a TemplateField with a LinkButton that displays a text value. When the link button is clicked, the code behind needs to capture the text value of the button, and then refresh the GridView with an asynchronous postback within the UpdatePanel and display the updated output.

The post-back event is occurring, and I'm able to capture the event in Visual Studio 2010 debugger. But, the screen contents do not change after this event occurs. No exception gets thrown, at least from what I can see in debugger.

Portions of the sanitized code appear below. The GridView actually appears on a page that contains 2 dropdown lists and 2 other GridViews. There is just one UpdatePanel on this page.

[Code]....

This is in the Code-Behind.

[Code]....

I can put a break point in the above method, and it is captured when the lnkHostName button is clicked. Stepping through the lnkHostName_Click() method, the ReloadPage() method successfully runs, then executes this method:

[Code]....

This runs successfully, and the DataSet which gets returned contains 1 row of data rather than several rows. This is what I expect to happen. Once the filter is selected in my test case just 1 row should get returned. The problem is that I don't see that output refreshed on the screen. The grdProcesses gridview continues to display the original dataset of several rows, rather than just one row of data. To additionally test this, I tried setting the visibility of grdProcesses to false within this method when the HostName had a value. Again, this ran without an error, but the GridView was still visible. And I also tested by updating the contents of a label with the HostName value. The new value was never displayed in the label. I also tried putting the lnkHostName button into the triggers, ala:

[Code]....

But the following exception gets thrown when that button is added, "A control with ID 'lnkHostName' could not be found for the trigger in UpdatePanel 'upMain'."

What's frustrating is that everything appears to run smoothly in debugger. But in reality the expected output never gets refreshed on the screen. Perhaps I need to use an alternate trigger in the AsyncPostBackTrigger. I'm open to using a command button or some other artifact.

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Forms Data Controls :: Refreshing Datalist In Updatepanel?

Sep 22, 2010

I have a datalist. When a user clicks a button in the datalist I change some properties and then want to refresh the datalist. However, the code below doesnt seem to refresh the datalist. Once I reload the entire page (which I dont want) the changes are visible in the datalist. I also tried setting the updatemode of the updatepanel to "Conditional" and update manually in the dlPhotos_ItemCommand, but that doesnt work either.

In bold I've marked where I want to refresh the datalist

<asp:UpdatePanel ID="upnlPhotos" runat="server">
<ContentTemplate>
<cc1:AsyncFileUpload ID="afuPhoto" runat="server" />
<asp:DataList ID="dlPhotos" DataSourceID="dsPhotos" DataKeyField="id" RepeatColumns="5" RepeatDirection="Horizontal" GridLines="None" runat="server" >

[Code].....

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AJAX :: Refreshing "Grid Residing" Updatepanel From Javascript

Nov 17, 2010

How to refresh updatePanel from Javascript? What i want to do is i want to refresh Grid residing in a updatePanel from Javascript.

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Mar 29, 2010

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Mar 23, 2010

I'm using MS AJAX's accordion control. It works fine normally, but I can't seem to get it to work with an UpdatePanel. My layout is like this:

<div id="accordion">
<div><a href="#">Header1</a></div>
<div class="acc_content">
<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Conditional" >
<ContentTemplate>
<asp:button id="btnToggle" runat="server" text="toggle"/>
//my repeater contents go here. The buttons within the repeater cause a postback, but changes cannot be seen unless the page is manually refreshed (since the updatepanel doesn't refresh)
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnToggle" EventName="click" />
<asp:AsyncPostBackTrigger ControlID="btnAdd" EventName="click" /> //this button is outside the updatepanel
</ContentTemplate>
</Triggers>
</asp:UpdatePanel>
</div>
<div><a href="#">Header 2 </a></div>
<div class="acc_content">
Content of the second pane
</div>
</div>

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Mar 11, 2010

I am currently using a asp.net 2.0 with visual studio 2005.

I am trying to build a web application using ajax.

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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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AJAX :: UpdatePanel Doesn't Update Another UpdatePanel?

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.

[Code]....

[Code]....

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Jun 23, 2010

I have a dropdownlist, that causes a postback. On the SelectedIndexChanged event, is it possible to force a placeholder that is within a different UpdatePanel to change it's visibility?

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AJAX :: How To Implement Updatepanel Functionality Without Updatepanel

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How to implement updatepanel functionality without updatepanel?

I am tring to use XMLHttpRequest but I am getting problem while redering a usercontrol containing postback controls in response of an Ajax request.

Here is my code

[Code]....

[Code]....

[Code]....

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AJAX :: How To Trigger Updatepanel Postback From Another Updatepanel

Mar 4, 2011

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How can I postback the pnlUpdate1 from pnlUpdate_2 with the apply button?

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AJAX :: Page Should Not Be Refreshing?

Sep 3, 2010

I have a dropDownList on a page that I need to refresh with new database entries whenever new content is added to my DB.Basically, I have a list of usernames in one dropdown, and when I add a new username to the database I want this to be reflected in the dropdown without refreshing the whole page i.e. on the fly.I have used update panel but partial postback is occuring but i want page should not refreshing at allI hope someone can help, I have looked around and not found any solutions.

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AJAX :: Refreshing The Cascading Value?

Sep 14, 2010

At last I got sumthing by which I can refreshed the Cascading Dropdown value by changing the Tab.

But the problem is first tab is working fine but in second tab the values are refreshed but second child dropdown is not disable(First tab all are working fine) .

[Code]....

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AJAX :: Changing Page Without Refreshing?

Jul 30, 2010

I am very new to ASP, .NET and MVC but am reasonable with HTML, Javascript and CSS. I was hoping someone could answer a question about how to change a page without refreshing the actual page.

<div id="dashboard">Data-Heavy Content Content</div>
<ul id="menubar"><li><a>Home</a></li><li><a>Page 2</a></li>...</ul>
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How would I go about this? Are there any tutorials that cover this? What functions/terms should I be looking for regarding this?

Edit: I don't know if it is relevant, but I thought I'd better state that I am trying to do this using MVC, and I want to get the content of the MainContent div handled by the appropriate controller of the 'page' contained within that div.

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Mar 3, 2010

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AJAX :: Controls Disappear In UpdatePanel?

Sep 10, 2010

I have an update panel and inside the update panel I have a button. When I click that button I want to show textbox which is hidden (i.e. style="display:none"). I want to do it from client side. I wrote a javascript to show the textbox. But the textbox disappears after it is shown.

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AJAX :: Find All Controls In UpdatePanel?

Sep 13, 2010

I've used a Ajax UpdatePanel in one of the web forms and just want to clear all TextBoxes content which are in UpdatePanel.

I've made sub below, however it dosen't work properly.

[Code]....

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AJAX :: Affect Controls Outside The UpdatePanel?

Jun 4, 2010

I have a web page with an UpdatePanel containing two GridViews and related controls. There is a Save button on the page outside the UpdatePanel. One of the event handlers for a control inside the UpdatePanel calls a method DisplaySaveButton, which is supposed to make the Save button visible or not depending on a parameter. Although DisplaySaveButton is called & executed correctly, it does not effect the visibility of the Save button.

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how do I affect the state of a control outside the UpdatePanel?

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AJAX :: Use Updatepanel With Dyanmic Controls?

Apr 13, 2010

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