AJAX :: Postback With Multiple User Controls?
Oct 6, 2010
I have a main page with 2 user controls. I've read this posthttp://forums.asp.net/p/1123812/1770607.aspx#1770607 for some guidance. What I'm trying to acheive is when a user click a button on UC1, UC1 process its button_onclick event and then trigger an event for UC2 to update its content. The problem I'm facing is quite strange. As soon as the button is clicked on UC1, it immediately went to the page_load function of UC2. Since UC1 button_onclick function didn't get executed. UC2 data is out of date.I tried to look online for some Postback event order to explain why it would call UC2 Page_Load before UC1 gets to execute its event.here's a code block for my main page
[Code]....
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Oct 9, 2010
i have 4 dropdownlist..state,district,place,product..where we have to select the product depend on state ,district ,place and product and there is search button for search particular product where iam using gridview to dipslay particular product deatails. i do not want to do auto past back eventfor page when i select dropdownlist...i tried using ajax but still i cant get through..i tried this code. how to use ajax for 4 dropdownlist & 1 button so that i can dispaly product deatails.
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Aug 12, 2010
I'm trying to create a modal popup that has multiple buttons that a user will click to choose options. This is all well and good but when the user clicks an option it fires a full postback. The modal opens async, but I can't get it to hide async. Heres some code:
[Code]....
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May 7, 2015
I saw article [URL] .... that is working fine
I have a page with multiple textbox multiline
When I apply your code for three textbox then it show only one editor and remain same as simple textbox and if i click on button it flickering ...
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:TextBox ID="TextBox1" runat="server" TextMode="MultiLine"></asp:TextBox>
<asp:HiddenField ID="HiddenField1" runat="server" />
[Code] ....
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Oct 16, 2012
I'm working on a project in which i added an user control. I put some css effect in it and a also added a dropdown. When i run the application the effects are working but when i change the dropdown values the css effects will lost somehow.
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Aug 22, 2010
In my base page, I have a dropdownlist control which loads different usercontrols on selectedindexchanged event.
While loading these usercontrols, my page postbacks all the page. I used updatepanel but again same problem.
Is there any way to load controls without postback?
Here is my code:
[Code]....
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Jan 15, 2011
I am using a Calendar Extendar with in a user control and I am loading this user control on a aspx page dynamically. But after a post back event I am getting following error: calendar extendar may not register after post back.
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Feb 15, 2011
I have an aspx page with multiple modal popups. These modal popups are trigger in the page behind code using .Show() and .Hide().
This is what I have in the .aspx page for the particular modal popup under discussion:
[Code]....
The example below demonstrates the type of calls I am making to the modal popup extenders. Basically using the Datalist item command, the datalist commands are responsible for triggering my modal popups.
[Code]....
They all work fine after postbacks except the "activityReport" case (the last one). The only difference with this modal popup is that it contains a user control and all the postbacks are happening in the user control. So the problem is that in the last case whenever a postback happens in the user control then the modal popup is close.
1. If I separate the modal popup and place it in a page all by itself and trigger it to .Show() through a button click in the page behind code then the modal popup doesn't close. See below example.
[Code]....
2. The button click event in the test page looks as follow:
[Code]....
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Sep 16, 2010
Does anyone know a simple way to determine if a user control is contained in an update panel that was triggered for async postback?
At the moment, the only pseudo logic for this I can think of is?
'Loop through the update panel controls on the page and find the one that is involved in the postback (isInPartialRendering)
'Try to find the user control as a child of the update panel
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Jul 21, 2010
I have a page where I am using 2 update panels. The first update panel contains a form that has some validation tied to it. The second on has a simple form, but no validation. When I go to use the form in the second panel, the postback is halted by the validators in the first panel. Everything works as it should when I remove the validators.
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Jul 23, 2010
I have one user control which has 2 gridview first grid has columns (GroupName, Description, chkRemove checkbox) another gridview has columns (GroupName, Description, chkAdd), apart from that i dont have any code on .cs file of usercontrol.
I want to call same user control on 4 aspx pages and datagrid binding, sorting, paging and search functionality i want to do on respective aspx.cs pages not on user control where i am calling this uercontrol because for every aspx page field name is same but when i am binding the data to the grid that logic is different.
For first aspx page i called my usercontrol like this and everything is working fine: -
[Code]....
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May 7, 2015
I am using [URL] ....
And my question is the user should not vote again if he/she already voted....
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Mar 15, 2010
Since I am new to Ajax control kit so thought to ask this question,I need to know what controls should i use for the following requirement.I've a state Drop down on selection of state drop down i would like to display all city of selected state in check box so that user can choose multiple cities and would like check box control to display only 5 city name per row for example if there are 10 cities in one state it should show 2 rows with 4 city and one row for 2 city.
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Mar 2, 2010
First, I would like to apologize, the search on the site wasn't working, so I don't know if I'm missing an existing post or not.
I have a web page that uses a master page file. I am using a third party control from Component One(TabStrip), the tabs are rendered as links on the final page. When a tab(link) is clicked, I need to load the appropriate web user control associated with that tab. Each web user control has its own post backs and methods. I know that I can load the controls on the "SelectionChanged" event of the TabStrip control, but then any postback created by the web user control that is loaded causes the page to refresh and the control was never loaded in viewstate. So, I tried to put my procedure of loading the web user control into the page_init method. This would work, if I could read which link was clicked on from within the page_init method. I tried using a javascript function to run "onclick" of the tabs and within it setting the value of a hidden control. I have verified that the javascript works and that the hidden control's value is getting set correctly. When I get into the page_init method, the value of the hidden control is not readable.
I'm tying to understand the page lifecycle to the fullest, but I don't see what I'm missing here. I know that I need to load the web user controls in the page_init method in order to persist the page as a whole, but how can I get which tab(link) was clicked to know which control should be loaded?
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Jun 1, 2010
In my default.aspx page I have a PlaceHolder control within an UpdatePanel. In this placeholder control I will dynamically load a web user control, which is just a form with a submit button. On this user control, I have the form within an update panel and I have the "Submit" button's Click Event added to the triggers.
When I submit the form, the UpdatePanel on the web user control nor the update panel on the default.aspx page are capturing the post back, thus causing a full post back which refreshes my page.
how to capture this post so its rendered in Ajax and not a full post back?
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Jan 20, 2010
I know that on a postback all controls are rerendered.My problem is that I have an page who holds panels who holds web user controls who holds itself x time an panel with an web user control.I have an action that takes an postback and it resets all the design of those web user controls, but not the controls of the main page.What can I do to save the current state of my page ? The current panel that is visible etc.I tried a simple update panel without success by setting UpdateMode to conditional and ChildrenAsTriggers to false.
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Dec 15, 2010
I have several dynamic user controls,that I want to load them in seperate tab panels.but my problem is when the postback occures my user controls disapeare from my tabpanels. however I want to keep my user controls in my tabs whenever I click on each tab.
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Jan 28, 2011
I have a asp button and a user control containing custom validator in it when i click the button that is present on the page not inside the usercontrol, the user control client side validation occurs and displays the javascript method regarding data entry failure but when i click the javascript alert box ok button, the postback gets occured automatically i want to stop the postback if the user control contains invalid data in iother words the postback get occured only when the user control contains the valid data.
I have already done this type of coding in javascript:
function CheckTimeRangeTo_9(sender, args) {
var e = document.getElementById('<%= ddTimeTableTo_9.ClientID %>');
var totalToTimeInMins = CalculateTotalMinutes(e.options[e.selectedIndex].value);
var totalFromTimeInMins = CalculateTotalMinutes(args.Value);
[Code]...
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Dec 19, 2012
I have gridview. In my griview, i have Fileupload template field.
but, problem is whenever my page get postback fileupload loses its content or selected file.
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Mar 13, 2014
In my application i have set focus to textbox during initial get request,
then i want to disable the focus after postback?
how we can do it?
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Oct 15, 2010
When an asynchronous postback happened inside update panel, another postback happens also for MasterPagenot only update panel embedded page .I want to prevent this MasterPage postback . is this possible ?think like i have a MasterPage and another page which is test.aspx which is content page of MasterPagei have update panel at test.aspxwhen asynchronous postback happens at this test.aspx update panel it also loads
MasterPage Page_Loadi want to prevent this (it should not also load MasterPage Page_Load)
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Dec 4, 2012
I have created a user control. Usercontrol contain a image. Attached a click event on image jusing javascript function.
image.onclick = function (e) { //some code };
Now this user control is added on aspx page. Thsi is working file first time. however when the page is getting postback this event is not working.UserControl EnableViewstate is true.What should be done?
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Jun 7, 2010
I'm getting some wierd behaviour with my User control. I've created User control & it has BUTTON which checks the validity of the number entered in the textbox of that user control. I have written Button Clik event handler in the USer Control code behind which checks the database table and tells valid or not. So far so good. In my application i dynamically add User controls. I make sure that I add them Page_Load so that for every postback UCs are visible. I'm ussing Session to save my UserControls. The problem starts at some point when i click the Validate button in the User Control all my user controls dissappear & after some postbacks all my controls appear. I don't know why this is happening. I have included my code for reference.
[Code]....
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May 2, 2010
I have an update panel in a user control and I am adding multiple instances of it for example 5.
When that update panel refreshes the page load occurs 5 times.
How can I prevent it only for once?
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Feb 16, 2010
I have a user control, that has an update panel and update progress control in it.
I use this user control in more than 1 location on the same page.... problem is, when ucA posts back, I see the update progress control for both ucA and ucB. I assume this is because it is a user control and the update panel and progress are named the same?
Either way - how do I make it so that the update progress only displays for the proper user control?
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