Jquery - Removing Items From Dropdown List (client Side)
Feb 10, 2011
So I have a number of dropdown select list controls populated as part of a repeater. They might contain overlapping data, meaning that the first d d list control will have selections:
a
b
c
Second one:
c
d
e
Third one:
d
e
h
and so on.
So what I would like to do is to srart removing the duplicate items from the reset of drop down controls once the user starts selecting those. I intend to use jQuery for this.
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Similar Messages:
Feb 23, 2011
I am trying to get a simple multi-page program to run correctly. I have everything set up, except for the "remove" function. When I try to remove an item from the list box nothing happens. Insted of trying to explain it I will show you the code...
Index
Code:
[code]....
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Jan 23, 2010
Another niggling issule. I am trying to remove all the databound items from my listview but it doesn't work. I am trying to remove the items as i have used the delete command button (alongside with the updateand edit)
I have tried.
listview1.items.clear();
listview1.datasource = null;
listview1.databind();
But none of these have worked. I have also tried removing the item via it's index.
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Jul 19, 2010
I have a list of objects that have values to them. Specifically one of these values if a boolean (isAbnormal) to determine whether or not the value itself is classified by our application logic as "Abnormal" or not.
I have composed a list of a mixture of abnormal/not abnormal items. I want and need to remove items from this list that aren't clsasified as being abnormal (in programming logic, isAbnormal will be false)
I have tried several ways and can think of some dirty/ugly ways to get it, but there has to be something better:
[Code]....
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Mar 5, 2010
I have a multiline textbox that by default, is set to ReadOnly. I would like a button on the page to change the control to allow it to be edited. I would like this code to run on the client side because the page renders slowly and I'd like to avoid the post back.
The problem I'm having is the javascript code that I wrote to remove the readonly attribute appears to have no effect. I posted a stripped down example that illustrates the problem for your review.
[code]....
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Jan 5, 2010
I reordered some items in a listbox using Javascript. When I read the items in a postback in the code behind (ASP.NET), the order is in the original order. How do I get the same order as shown in the screen after Javascript manipulation?
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Jun 15, 2010
I'm relativley new to ASP and am using VB for the coding. I have a page that has a few fields on it, one being a drop down list that get's populated from a SQL Server.
I used the GUI to generate this form (see below), the connectionstring:Prod1ConnectionString that is stored in the web config file is hard coded. I want to change that I use the connection string that is passed as a Session parameter. I've been looking for hours for an example of how to remove the connectionstring from the web code and place the proper code in code behind script on the load_page event.
[code]....
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Sep 29, 2010
using asp.net 4 and vs 2010 I have a listview that displays data from a database. I have to configure it to display all column data where present, however, not all columns have data, with the result that blank spaces get rendered where this data would normally be displayed.
The code:
[Code]....
So, for example, some of the individuals that exist in this table might no longer be associated with a specific department, institution or have data in the "Address2" column.
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Feb 24, 2010
I'm designing my own custom control that contains a .NET dropdownlist. What I'm wondering is if it is possible to populate my dropdownlist with listitems placed in a placeholder? For example:
<asp:DropDownList ID="ddlFilter" runat="server" >
<asp:PlaceHolder ID="ListItemPlaceholder" runat="server"/>
</asp:DropDownList>
This doesn't work because the DropDownList control only allows ListItems as child controls. But, I want to do something similar to this so when the user includes my control on a page, they can do something like this:
<mytag:MyControl Mode="DropDown" runat="server">
<ListItemTemplate>
<asp:ListItem Text="C" Value="c"></asp:ListItem>
<asp:ListItem Text="E" Value="e"></asp:ListItem>
<asp:ListItem Text="B" Value="b"></asp:ListItem>
</ListItemTemplate>
</myTag:MyControl>
I know I can do this by dynamically adding the ListItems in the page code behind, but I'd like to avoid that if possible.
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Jun 5, 2010
[code]...
i have six items in my select in which 4 of them are add,edit ,delete view, it is multiselect list, i don't want the user to remove the these 4 items , apart from that they can remove any item. how will i do that? it is not happening in the above code
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Oct 17, 2010
Suppose I'm building a StackOverflow clone using webforms ASP.NET and jQuery. The Question page has a question, several answers, and comments under each. Requirements:Users can post new answers and comments, and edit existing ones, without postbacks. No UpdatePanels; the AJAX calls retrieve just the JSON they need, not HTML fragments. The page loads with all existing answers and comments in place (no javascript needs to run to read the page).
What I'm trying to figure out is how to do this without having to maintain two sets of markup (one that's bound on the client using some form of jQuery templating, and one that's bound on the server using traditional WebForms).
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Apr 30, 2014
i have a grid asĀ
<asp:GridView ID="dgv_passengerdetails" runat="server" AutoGenerateColumns="False"
CssClass="pasdetailsgrid" BorderStyle="None">
<Columns>
<asp:BoundField HeaderText="Seat No" DataField="seatno">
<ItemStyle HorizontalAlign="Center" />
</asp:BoundField>
[code]...
the string gs=null, if i click the button again then gs takes the value from textbox.
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Feb 9, 2012
any way to populated dropdown from database at client side
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Apr 15, 2010
for the past 6 hours i have been going trough a million forum posts , I've been reading blogs , tutorials documentation and more.
Unfortunately, the amount of deprecated information is absolutely overwhelming.
All i'm trying to achieve is to change the value of a parent dropdown to something else, programmatically, and then have the child dropdowns to refresh.
By now I'm quite certain i have to use the function _onParentChange in some way.
Whit this function i can actually get the first parent to refresh, how ever the functions seems to be doing absolutely nothing when i call it on the child
I've been seeing a lot about using a context key and several ways to use it, but I'm not using a context key, do i have to use one?
i'm using the latest version of the toolkit whit visual studios 2008
i'm using only two dropdowns whit two extenders
here is the code:
where i can find proper client side documentation per toolkit control ?
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Apr 30, 2010
I am running into some additional difficulties with dropdown lists, and I'm hoping you can correct my thinking.
I have a table populated with items; ITEM_ID, ITEM_NAME, ITEM_COST.
Here is my code:
[Code]....
With this code I get this error: DataBinding: 'ITEM' does not contain a property with the name '2'.
If I remove the assignment of DataSource to c1, the dropdown generates this error: 'DropDownList3' has a SelectedValue which is invalid because it does not exist in the list of items.
Parameter name: value
How should I code this so that the user is presented with a list of ITEM_NAMES, and that the ITEM_ID is stored in the value field so I can use it when the selection event is fired? I know I could databind the source directly to the dropdown list, but I am trying to understand the behind the scenes working of a dropdown list object.
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Feb 19, 2011
i have a class Parent in which i have a drop down list (ddlNames) it contains some name
i have another class Relatives form this class i want to append some more names to ddlNames
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May 12, 2010
I want to loop thru dropdown list and check the individual list item text using C#, let me know what is the best way to do this?
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Oct 14, 2010
i have a dropdownlist for which i have items like red,blue,yellow,green...etc but these items default static color will be black for all items,
but my requirement is to Red as red color Blue as blue color Green as green color
[Code]....
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Jul 7, 2010
Is it possible to display the items in a dropdown list not by the order of insertion?
i want to display the orders alphabetically.
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Sep 21, 2010
I have a dropdown list with four options like:
New Reviewed
To be Reviewed Presented
I need to display only specific items in the dropdown list based on some conditions.I mean sometimes with only 2 items
New Review Sometimes with 3 items
New Review To be Reviewed and sometimes all items.How can I do this? I am using C#.
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Aug 14, 2010
I have a problem of Validation still present for list object that have been dynamically deleted in the View. Here is the scenario. In my model I have a list. This list can be added and deleted dynamically in create and edit views. Lets say I am in the create view. I add two list objects dynamically and start filing the object and submit the form. The model validation fails in the server side (client side validation cannot be done as it involes some complex logic) because of some errors. Now the errors are being disaplayed for the two objects. Now I delete the first list object dynamically and correct the errors in the second list object and try to submit but the form will not submit because, the client side validation still thinks that the first list object is still present. Is there anyway to remove the client validation for objects that have been removed dynamically ?
My model
Contact.cs:
public class contact{
public List<Address> address;
}
Steps for the problem.
1. Create two addresses in the create view.
2. Fill the fields and click submit.
3. Server side Model validation will report errors for fields.
4. Delete the first Address and correct the errors in the second object and click submit.
5. Submit will not work because the client side validation expects the errors to be corrected in the first Address which has been deleted.
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Jan 20, 2011
I've noticed that page load time increases dramatically as you load up a ddlistbox with items. 10,000 or so results in a pretty much unacceptable wait time for my setup. The dropdown I'm trying to load is Airports - like all of them. What are some alternative UI solutions that give the user the ability to easily select any (literally) airport, but without a ginormous page loading time? (Currently the dd is keyed to the airport's 3 letter code, so it's convenient for the prepared user to just type the 3-letter code and have the right airport selected. The display is then set to code, city, country.)
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Mar 12, 2010
I have a drop down that lists all our 40+ locations.. I then have a list box with all our locations as well. The client is presented with the question which locations have you worked at before. If they pick say 3 locations, i need to remove or disable those 3 from the drop down. I have other code for creating a drop down, but not sure where to go with this.
Here is my code for the controls and code behind:
[Code]....
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Sep 22, 2010
I have a DropDownList inside the EditTemplateItem (if the user clicks edit) in a GridView.The DropDownList receives all available rows from the database. My problem is,if the user clicks Edit in the GridView to edit a row and opens the DropDownList Box the original item is not selected but the first one.That means the items are sorted. Have someone an idea how I can solve this issue that the right item / the original is selected if I change to edit mode of the grid view?
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Sep 8, 2010
How do I list all generated errors in the same div?
Something like this:
<div id="errors">
<ul>
<li>Email is invalid</li>
<li>Firstname is required</li>
</ul>
</div>
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