Update Panel And AsyncPostbackTriggers?
Mar 12, 2011
I would love to add AsyncPostback Triggers dynamically to the ImageButtons found within the UpdatePanel control
<asp:Content ID="Content1" ContentPlaceHolderID="Content" runat="server">
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers></Triggers>
[code].....
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Sep 5, 2010
We have two update panels on our webpage. Now first update panel is having button cancel. While second update panel is having a file upload control.Now if the user uploads a file that is going to upload in about 2 mins, and in between, say after 30 seconds the user clicks the cancel button, the upload taking place in update panel 2 should stop.
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Oct 16, 2011
I have an update panel that has a table in it with 4 images. Every few seconds a new image is shown. All this works but when the image changes the whole page is refreshed. I am using Visual Studio 2008 and VB.Net 3.5.I only want the images in the updatepanel to refresh. How can I do that?
UpdatePanel Code:
<asp:UpdatePanel runat="server" ID="upImgSwitch" UpdateMode="Always">
<ContentTemplate>
<table height="200px" width="100%" border="0" cellpadding="0" cellspacing="0">
<tr>
[Code]...
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Oct 20, 2009
I have a button inside of a gridview's template field. Onclick i want to the button to open up a modal popup while force updating the updatepanel and formview inside the modal popup because the formview's datasource depends on a hidden field in which i am setting after click also.
[Code]...
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Jan 2, 2012
I am getting the below stated error in javascript. This error occurs when i try to cal update panel on button click Sys.WebForms.PageRequestManagerParserErrorException: The message received from the server could not be parsed. Common causes for this error are when the response is modified by calls to Response.Write(), response filters, HttpModules, or server trace is enabled.Details: Error parsing near 'Panel|UpdatePanel1| <div id="up'.
Here is the UpdatePanel code:
[Code]...
I am not able to understand why this error is coming? Can anyone help me sort out this issue?
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Feb 25, 2011
My code looks like this:
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<Triggers>
<asp:AsyncPostBackTrigger ControlID="btnAddIsotope" EventName="Click" />
[code].....
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Apr 2, 2012
I have JavaScript that works excellently but I need to change it to Update Panel and I can't get it to still work properly. What I want it to do is if it selects 1 in the first dropdown, pick c in the second dropdown. I am using asp.net vb.
[Code]....
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Feb 9, 2011
How can i trigger my update panel to refresh after a certain period of time.
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Apr 23, 2012
tion (even if it falls outside my form).I found some code to get the color.I would like to constantly update the backcolor of a panel to reflect the current color beneath the cursor until it is clicked.Here's an example of what I have tried (bwColor is the name of my backgroundworker):
VB.NET
Private Shared GetColor As Color
Private Sub bwColor_DoWork(ByVal sender As Object, ByVal e As
[code].....
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Nov 21, 2011
i have a accordion control(using jQuery) on the page. When I insert accordion into an updatepanel, set a button outside the updatepanel as its trigger and click on the button the accordion stops working. If I remove the updatepanel, it starts working.
<script src="Scripts/ddaccordion.js" type="text/javascript"></script>
<script type="text/javascript">
[code]....
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Dec 3, 2009
I have a problem when updating the source of an ASP ListBox in an AJAX update panel. When I set the source of the ListBox to a large dataset, I would assume it would take a small amount of time to render due to the number of items. However, when the DataSource is switched at run-time to a smaller set of items, it takes just as long to clear it. If you go from a small set of items to a small set of items this is lightning fast. Maybe I'm doing something wrong. I'm using the Visual Studio 2008 item template for an AJAX 1.0-Enabled ASP.NET 2.0 Web Application. I downloaded that from Microsoft.
Here is my code (Full source zip below):
Default.aspx
<%@ Page Language="vb" AutoEventWireup="false" CodeBehind="Default.aspx.vb" Inherits="TestingAJAXComboLoadTimes._Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
[code]....
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Mar 17, 2010
I have a button which is in update panel. When I click on button then it click event run two times. How can I prevent second time click event?
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May 19, 2011
I have used yui rich text editor. And I created a form with update panel. Then I found the yui editor is not working fine in update panel. How can i do to work the yui editor within update panel.
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Mar 24, 2011
I have an aspx page which is made of 3 user controls (ascx). I have an update panel wrapping the 3 user controls like this:
<asp:UpdatePanel ID="UpdatePanelWrapper" runat="server">
<ContentTemplate>
<uc1:UserControl1 ID="UserControl1" runat="server" />
[code].....
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May 28, 2009
i have a dynamically created gridview button that fires off a modal popup when clicked. I do this onclientside like so:
function openModal(btnId, v) {
deptdata(v);
// __doPostBack('<%=DropDownList1.ClientID %>', '');
[code].....
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May 27, 2009
I have a gridview button that I programmatically created and I want to load an update panel on the client side with the sent data. I have a hidden value field that gets its data on the click of the gridview button and the dropdownlist in my updatepanel depends on that value.
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Jun 6, 2009
I need to center the red panel in the middle of the dark grey panel, when you resize the form the red panel should be in the middle, and the red panel can't be resize, anyone have a code or property to do this?
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Apr 22, 2010
url...I've got a drop down inside an update panel, and I am trying to get it to allow the person using the page to add users to a list that is bound to a gridview. The list is a global variable, and on page_load I set that to the gridview's datasource and databind it. However, anytime I click the 'add a user' button, or the button to remove the user from the list. It appears like it is doing a full post back even though all these elements are inside the update Panel.[code]Now I thought the point of an update panel was to be able to update things inside of it without doing a full post_back and reloading the page. So if that's the case, why is it calling page_load everytime I click the buttons? I ran this code and debug and I see that even before any of the code associated with button press fires, page_load runs again.I tried putting the gvAssociatedUser.Datasource = associatedFaculty and the line below inside the Page.IsPostBack check, that prevented the page from working. I tried every combination of settings of the update panel for ChildrenAsTriggers and UpdateMode, and none of them worked.
I've tried won't get it to work.It wasn't causing a full postback so I was wrong as to the cause. I thought the page was doing a full post back thus resetting my associatedFaculty list global variable, but it isn't doing a full postback.The issue I am having is everytime I click btnAddUser it will add one element to the associatedFaculty list and thus bound to gvAssociatedusers. This works the first time, but the second time I click it, it overwrites the first element. So it appears like my associated Faculty list is getting reset each time I click the button?
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Oct 11, 2010
I am generating an Excel file upon a click of a button in an update panel. It is throwing a parsing error.If I keep the button outside the update panel it is working fine. Why isn't it working in the update Panel?
Response.ContentType = "application/vnd.ms-excel"
Response.AddHeader("Content-Disposition",
String.Format("attachment;filename={0}", filename))[code].....
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Mar 30, 2010
I have a composite drop down calendar user control that consists of a textbox and and calendar image and a validation control. I expose a property called "TextBox" on the usercontrol which returns a reference to the textbox used within the control. This is the textbox that the user enters the date into.
In the ASPX page, I have an instance of this usercontrol: [Code]
In my code behind, I want to detect when a user has tabbed off of the textbox and, using an UpdatePanel, refresh an appropriate message depending on the date that was specified. [Code]
OK, When I move athe calendar usercontrol into the Update panel, I get this error: A control with ID 'txtDate' could not be found for the trigger in UpdatePanel 'upIntendedStay'. It's apparently having an issue finding the embedded control even though it's within the update panel, but it has no problem finding a plain textbox that is not embedded within a usercontrol!
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Nov 24, 2011
I would like to add an effect where a panel sweeps out of the way to make room for another panel. This is sort of like a sliding effect, and I think at one point in time this could be seen on Apple's website under their product pages. I came up with some code, but it isn't working.
[Code]...
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Apr 21, 2009
When a user is editing a given piece of data, they're allowed to add messages/comments. These are stored as child records in a SQL database. Clicking on the Add Message button brings up a panel (pnlMessage) courtesy of the AJAX ModalPopup Extender. This takes some input and, when the "Send Message" button in the panel is clicked (I learned the hard way to NOT make that the 'OkButton' property), the message is stored in the database and an email is sent to the intended recipients. No problem there.
However, I need to be able to allow the user to add new email addresses (so long as they are registered in our database). I have another ModalPopup / panel combo (pnlSearch) that's tied to a button on the previous panel (pnlMessage).
The user is supposed to be able to add an email or click on a search button to populate a list to choose from.
The pop-up panel (pnlSearch) comes up just fine, but clicking the "Lookup" button (which instigates the search and returns a collection of records that the user is supposed to pick from) closes the panel.
Previously, I ran into the problem of having the Button.Click event never firing when I put the Button into the "OkControlID" property (the CancelControlID works fine since I don't want to do anything). Removing the "OkControlID=Button" line allowed it to work perfectly with the Button.Click event firing as expected.
So now I have the Search panel with a button for "OK" and a button for "Search" - but the panel should stay up and visible after the Search.Click does it's thing. Am I missing some property that basically says "don't close the panel when this button is clicked"? Of course, if I bring up the panel again in the same session, the results from the previous effort are there (the search results).
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Oct 4, 2010
I have a TopBar, A LeftBar, A VScrollBar, A HScrollBar and a Panel inside a SplitContainer Panel.The issue I'm having is that when my SplitContainer Panel is small enough to enable one of the ScrollBars, I will slide the ScrollBar and then when I resize the Split Panel, my Panel1 is staying where I scrolled it too.I'm having troubles thinking of the correct code to fix this.
[Code]...
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Mar 2, 2009
I was trying to move some dynamic control within the parent container like panel or a group box how do i do that?
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May 8, 2009
I'm working on a visual studio 2008 VB.Net project (.net framework 2.0), and am having some trouble with the Panel control using a fixedsingle border. As a small example of the problem, suppose I have one Panel2 contained inside of Panel1. If the Left position of panel2 is set to 0 (meaning it's border is up against the left edge of Panel1), the left border will show as bold, and slightly indented.
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class Form1
Inherits System.Windows.Forms.Form[code].....
What I'd like to see is just a single line, not bold or indented, where the two panels borders are equal.Is there a property or custom paint technique I could use to achieve this behavior?
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Mar 19, 2009
This is for a mapping/plotting program.
t.panel is the main panel and it has too much content to fit in one screen so there are scroll bars. x.panel contains the horizontal scale for the data points in t.panel. I drew the scale using a bitmap and set it as x.panel's background.
Setting x.panel's horizontalscroll.value = t.panel's horizontalscroll.maximum doesn't seem to work. I think this is because x.panel's doesn't have any content that causes it to need scroll bars.
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Jan 17, 2011
I have a problem with a certain panel in another panel.
I have declared a panel on my mainform that is called panel1 ( dock: fill)
In this panel is another panel ( panelmain )with size 10.000, 10.000 pixels. Now I put the auto scroll property of panel1 to true, so then the panel1 has scrollbars on both sides and can show the whole panelmain.
Now the user has the ability to zoom, which basically means that I just scale Panelmain with all it's child controls.
Like Panelmain.Scale(0.95) ( To zoom out )
And panelmain.scale( 1.05) ( To zoom in)
This works well, but when the user is using the scrollbars in panel1 and after that zooms in ( or out ) the location of panelmain is changing. So I tried to solve this by docking panelmain inside panel1 at the left. But now the vertical scrollbar is gone. how I should dock panalemain inside panel1 to prevent panelmain from moving around but also in a way that both the horizontal as the vertical scrollbar are present?
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Oct 24, 2009
Im using this code
Private Sub Form1_MouseEnter(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.MouseEnter
For i As Integer = 38 To 2 Step -1
Panel1.Height = i
Next
[CODE]...
I have 2 panels on the form butttt for panel one i want to slide height and panel 2 i want it to slide width.
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Mar 1, 2012
In VB6 I could embed a panel or picturebox containing controls or images within an outer panel or picturebox. If I moved the outer control then the embedded panel would move with the outer panel and stay in the same relative position, which is what I require. This doesn't seem to happen in VB.NET, the internal panel stays fixed in its location, even if I have pasted this panel within the outer container. Is there are trick to this or do I have to code to get the internal panel to move with the outer one? How does an internal container remain embedded within an outer one?
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May 19, 2009
i have a Form with 2 panel. i want to link from one panel to another panel. eg. i click on chocolate cake in the first panel then it will display the steps of cooking method and ingredient in the second panel.
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