AJAX :: Dynamically Updated List On Page?

Feb 3, 2010

I have a long running asynchronous process which returns a total of around 10-100 results over a 5 minute period. I want to update the page with the progress of the job and also show each result on the page in a list that grows dynamically as results are returned, all without any postback or page refresh.

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AJAX :: Cascading Dropdown List Where The Number Of Dropdowns Is Created Dynamically On The Page

Mar 7, 2010

I am using cascading dropdown list where the no of dropdowns is created dynamically on the page. The cascading drop downs are contained in a User Control. I need to call a method from the Parent page which will be executed when the values in one of the dropdowns change. The server side event is not firing as I have set AutoPostback property for the dropdownlists to be false. How can i make the Page event fired from the Selected index changed of the dropdowns keeping the autopostback property to be set as false.

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AJAX :: Page Source Is Not Updated After Postback

Mar 2, 2010

Whenever I load the asp.net page first time the page source is updated but

when postback fires through ajax then I view the page source from browser,

It is the same which loads first time.

Why it is not updading?

How can I view the updated one?

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AJAX :: Animation On Page Load And Updating / Updated

Feb 9, 2011

I have a webpage with multiple updatepanels on. One of the panels takes a long time to load. I therefore start a timer on page load and the timer.tick event populates the accordion control within the panel. Because of the amount of data I have used a paged data source and have link buttons to scroll through the results.

I need to implement animation, both on the initial page load and each time the button is clicked to move through the pages. The animation is, show a loading icon and hide the accordion/grid, once the data is loaded, display the accordion/grid and hide the loading icon. I have tried both the PageRequestManager and AnimationExtender, which I fail to get working for both the initial page load and Updating/Updated events.

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AJAX :: Datalist In UserControl Not Updated In Update Panel On Page?

Mar 29, 2010

I have Dropdownlist and Datalist in Usercontrol. Images in Datalist will be loaded

according to Drodownlist Selected Value.I have placed the Usercontrol in Page with Update panel. So Now Usercontrol is placed With in Update Panel.the problem is Datalist is not Updated Properly. according to the Dropdownlist Selected Value.Can any one solve this issue.

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AJAX :: Change The Option In The Dropdown Control The Treeview Nodes Cant Updated On Page

Feb 15, 2011

i get the problem in updating the treeview nodes from databse.i have created a dropdown list and on selectionindex change event i written the code for selection of nodes in the treeview.on first time selecting the option in dropdown list i get the selected nodes which works fine..but when i change the option in the dropdown control the treeview nodes cant updated on page but it seems selected as per database in the code behind when i debbug it

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C# - Get A List Of Controls On A Page And Set An Attribute Dynamically?

Aug 30, 2010

So I was told the following would not be possible:

I have a aspx page that has a number of dropdowns. Each dropdown is set with either a class=leftcolumn or class=rightcolumn.

I need to assign an attribute:

propertyID.Attributes["nameOfAttribute"] = "false";

But instead of manually writing out each controlID and setting its attribute with the line above, I had hoped there was a way to go through and set the attribute on each control ID if it had class=leftcolumn.

This is something I know is possible to do through JQuery easily, but I need it on the code behind during load.

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Web Forms :: Dropdown List Not Getting Updated?

May 28, 2010

I have a web page, contains dropdownlist loading it with customers table using SQL datasource.

In the same web page i am creating a new customer, on clicking customer add it is creating a new row in customer table but the Customer Dropdown list is not getting updated.

I have added dropdown.databound() in the CustomerAdd button click event after creating the customer in the table.

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Web Forms :: Drop Down List Don't Get Updated?

Aug 17, 2010

I am trying to write a web page where i have to select an item form a drop down list.

I am using linq to sql to get the data from the database.the strange thing is that i can register the data to the drop down list but when i select one of them the drop down list lets me to the first item. I set post back = true because i want to update the page every time an item get selected. I wrote a really simple code to check what was going wrong but still...no success. Below i am bringing the code i wrote.

.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication7.WebForm1" %>
<!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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C# - Save Updated Object In Generic List?

Aug 30, 2010

I am trying hard to update a business object inside a List<>.

I am using a checkbox list

When a checkbox list item is clicked I check if it exists, if yes I mark it as Dirty (means the user unchecks an item)If not, I add a new item to the list (means the user clicks a new item)and store it in view state

How do I update the Generic List with the Dirty Object ?
On form update, do I foreach and make separate lists of dirty and new objects to send to DB layer or would you recommend any other way ?

Here is my code.

protected void cblExclusions_SelectedIndexChanged(object sender, EventArgs e)
{
if (cblExclusions.SelectedIndex != -1)
{
ftExclusions myExclusion=new ftExclusions(); // Business object

[Code]....

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Data Controls :: Update GridView Dynamically When Record Is Updated Using SqlCacheDependency

May 7, 2015

I am binding repeater control for mega menu, its working fine but i want to repeater do not load every time from database ,it load when any change or add in database ....

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Retrieving Updated List Of Countries States And Cities In A Website?

Mar 4, 2010

I'm trying to create a User Registration page in ASP.NET and wondering what is the best way to get the list of up-to-date Countries and Cities? Are there any Web Services on the web that I can use to retrieve such information? If not, what are the options?

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Forms Data Controls :: Dynamically Created TextBox In GridView Does Not Show Updated Value After Postback?

May 10, 2010

I have a grid view that is dynamically created.In which every cell in the girdview has a 2 textbox (cTxtboxQty,ctxtWorkOrder) and 2 label.

When user click on the cell, a pop up come out and user are able to change the text inside the cell and click save.After that the pop up close and changed data immediately reflected on the screen.

My problem is:

After my data are changed and updated to database on the pop up page and having it post back to the parent page , my dynamically created textbox in gridview retain old value even new value has been assigned to it.

This sound very weird but i have no idea how to solve this.

My client side code is as below :

[Code]....

[Code]....

[Code]....

[Code]....

I have tested many times and find out that it might be the page hold the old value in memory, so that even we have updated the textbox value, after postback, it still keep and show the old value?

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Web Forms :: Use Dynamically Created Controls Such As A Checkbox List And Fill The Values Dynamically?

Sep 28, 2010

I'm creating an quiz application which queries the database and extracts the questions and choices. I use dynamically created controls such as a checkbox list and fill the values dynamically. How do I do this? Right now I have these functions:

array_random_init(); this creates a 10 element integer array from 1-20 - extract_question(i): this extracts a question indexed at i in DB, I created the controls and set the appropriate text in this function. - validate_question(i); this is called by button_click and validates the question i according to DB.

I understand I have to recreate the controls in Page_init on postback, but what should it look like? Do I need to add "if IsPostBack" in page_init, or do I create the controls in page_init() and reset their properties in page_load when I use extract_question(i)? Also, I cannot seem to clear the selected boxes on postback, I added page directive "enableviewstate=false" but it doesn't work.

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SQL Server :: Why Are All Columns Updated Not Just The One Wanted Updated

Nov 21, 2010

Here is my code. I just wanted to update one column. Why is everything getting NULL put into it?

[Code]....

[Code]....

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AJAX :: Add Dynamically AsyncFileUpload To Page

Feb 16, 2011

1. I need to add ajax AsyncFileUpload control programtically. How can be it done? If so how can i get all files which need to be uploaded like httppostedfile class is used to get all the files for fileupload control.

2. Can AsyncFileUpload control be casted or conveted to asp fileupload control or html fileupload? If so provide me with code.

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AJAX :: Dynamically Add HoverMenuExtender To Page

May 7, 2015

I'm trying to implement hover menu extender on server side.First i create the panel with a table and 2 controls (image and linkButton), then the hover menu as follows:

Label lbl = new Label();
lbl.ID = "lblAgree" + i
// Create panel
Panel popupPnl = new Panel(); ;
popupPnl.ID = "pnl1";
// Create table, row and cells
Table tbl = new Table();

[code]...

Note that when i create a dummy panel on client side with the same controls (all are created on client side) it works fine.

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AJAX :: DOM Not Updated In IE?

Feb 15, 2010

am fairly new to AJAX, but have successfully got my page working in FF and somewhat working in Opera and Chrome.I have made a table, and populated cells of that table with an AJAX call to a sever side script.I am then using those cells in mathematical equations on the client side.In FireFox this works smoothly, In IE it fails completely. IE doesn't see that there is a value to the cell of the table, even though it displays the information in the cell after the AJAX call. Am I doing something wrong to make IE over look the fact that i have changed the DOM? or am I doing something completely impossible in IE?I need a way to let IE know that there is a value in the cell.

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AJAX :: How To Dynamically Assign The Visibility Of The TabPanels In Page

Apr 1, 2010

I'm trying to dynamically assign the visibility of the TabPanels in my page. The code below sort of works, but not correctly (refer to image).

It is able to hide the actual tab, but the header still appears (though unclickable). I need for the header and the tab to be hidden.

I tried to use "tb = (AjaxControlToolkit.TabPanel)this.page.findControl("TabPanel1").Visible = true"

And get this error Object reference not set to an instance of an object.

I can be pointed to the right direction.

[Code]....

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AJAX :: Dynamically Adding Controls To A Page With An Updatepanel?

Nov 14, 2010

I am dynamically adding controls to a page with an updatepanel. The controls do trigger a post back but their events do not fire.

For example:

LinkButton link =
new
LinkButton();
link.Height = 45;
link.Width = 250;
link.Font.Underline =
link.Font.Bold =
link.ValidationGroup = "NoValidation";
link.Click += new
EventHandler(EventDoesNotFire);

I have set a break point on the Load_Page and in the EventDoesNotFire method. The Load_Page fires, but it never enters the EverDoesNotFire method.

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AJAX :: TextBox Value Not Being Updated From Code-behind?

Apr 21, 2010

I have a webform that accepts a date range to generate PDF reports. I had to place a PostBackTrigger on the updatepanel and assign the button thaat generates the reports because the Response.ContentType is being set to "application/pdf".

The problem is I am updating the textbox value to the count of clients that are left out of the report generation in server side code, the count always come back as 0. I have tried multiple panels with no luck. The textbox is in the main updatepanel with the print button and that still does not work.

[Code]....

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AJAX :: CalendarExtender Not Being Updated On Click?

Sep 23, 2010

Strange problem with CalendarExtender

[Code]....

The text box is updated correctly if it is empty or if the date is invalid e.g. 9/292010.

If the current text is 9/29/2010 and a different date is clicked then the calendar stays open with the previous date selected. I get the following error message "e.getDateOnly is not a function".

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AJAX :: Message Pannel Not Updated ?

Dec 10, 2010

i have three text fields in a page and i placed those in Update panel and that update panel is updated on cancel and submit button click event, and after insertion that record is displayed in gird it works properly but i am facing one problem that i have a common Pannel for all types of messages like(update,delete,insert,error messages) and i have define this panel in master page so how can i update that panel on update or according to my requirement .........

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AJAX :: How To Dynamically Set Page Scrollbars Through Server Side Code

May 11, 2010

The scenario is this. I have a long page that has a scroll bar. I'm us an Ajax ModalPopupExtender and that too is very long and has a scroll bar.

The problem I'm seeing is that in IE when a user scrolls the modal popup window, when it reaches the bottom it also scrolls to main window which has a really ugly user experience.

So what I want to do is, through server side code, I want to dynamically change the body css overflow from auto to hidden and I can't seem to find a way to make that happen. I've tried a number of approaches and none of them seem to work.

<body style="overflow:hidden;">

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AJAX :: Dynamically Set Targetcontrolid Of Any Extender Which Remains After Page Load?

Aug 7, 2010

I am using ASP.NET 2.0 with VB. In design view of grid, i have one textbox in its template field. I also have one Ajax Calender Extender and FilteredTextBox Extender. I have set target controlId of both calender and filteredtextbox extender equal to that textbox. Now dynamically i dispose one of the extender from that textbox. everything works ok. But once my page reloads it takes the original design image, means both extenders are being set to that textbox.

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