Add horizontal scroll to asp.net listbox control
How can I add horizontal scroll capabilities to the asp.net listbox control? ...
listbox
WPF ListBox WrapPanel clips long groups
I've created a ListBox to display items in groups, where the groups are wrapped right to left when they can no longer fit within the height of the ListBox's panel. So, the groups would appear similar to this in the listbox, where each group's height is arbitrary (group 1, for instance, is twice as tall as group 2): [ 1 ][ 3 ][ 5 ] [ ]...
Background color of a ListBox item (winforms)
How can I set the background color of a specific item in a System.Windows.Forms.ListBox? I would like to be able to set multiple ones if possible. ...
Most efficient way to see if an item is or is not in a listbox control
This request is based in MS Access VBA. I would like to know what the most efficient way is, to see if an item exists in a listbox control. ...
How do I bind the result of DataTable.Select() to a ListBox control?
I have the following code: ListBox.DataSource = DataSet.Tables("table_name").Select("some_criteria = match") ListBox.DisplayMember = "name" The DataTable.Select() method returns an array of System.Data.DataRow objects. No matter what I specify in the ListBox.DisplayMember property, all I see is the ListBox with the correct number of ...
WPF ListBoxItem selection problem
I have a listbox where the items contain checkboxes: <ListBox Style="{StaticResource CheckBoxListStyle}" Name="EditListBox"> <ListBox.ItemTemplate> <DataTemplate> <CheckBox Click="Checkbox_Click" IsChecked="{Binding Path=IsChecked, Mode=TwoWay}" Content="{Binding Path=DisplayText}" /> </DataTemplate> ...
How do I validate that a list box is not empty (client side)
I'm working with ASP.NET 3.5. I have a list box that users must add items to (I've written the code for this). My requirement is that at least one item must be added to the listbox or they cannot submit the form. I have several other validators on the page and they all write to a ValidationSummary control. I would like this listbox valid...
ListBox+WrapPanel arrow key navigation
I'm trying to achieve the equivalent of a WinForms ListView with its View property set to View.List. Visually, the following works fine. The file names in my Listbox go from top to bottom, and then wrap to a new column. Here's the basic XAML I'm working with: <ListBox Name="thelist" IsSynchronizedWithCurrentItem="True" ItemsSou...
ASP.NET Image Listbox
I want to display a list of images (instead of text) for the user to choose from. The control is databound (the URLs come from the database) Instead of the typical vertical scroll bar in a listbox, I want this box to be horizontal. I'm looking for an ASP.NET server control similar to this: http://www.infragistics.com/dotnet/netadvantage/...
Can a WPF ListBox be "read only"?
We have a scenario where we want to display a list of items and indicate which is the "current" item (with a little arrow marker or a changed background colour). ItemsControl is no good to us, because we need the context of "SelectedItem". However, we want to move the selection programattically and not allow the user to change it. Is t...
How does ItemContainerGenerator.ContainerFromItem work with a grouped list?
I have a ListBox which until recently was displaying a flat list of items. I was able to use myList.ItemContainerGenerator.ConainerFromItem(thing) to retrieve the ListBoxItem hosting "thing" in the list. This week I've modified the ListBox slightly in that the CollectionViewSource that it binds to for its items has grouping enabled. Now...
In a WPF ListBox with more than 1000 Image Items the Zoom Images become slow
I met a problem when deveoping a photo viewer application. I use ListBox to Show Images, which is contained in a ObservableCollection. I bind the ListBox's ItemsSource to the ObservableCollection. <DataTemplate DataType="{x:Type modeldata:ImageInfo}"> <Image Margin="6" Source="{Binding Thumbnail}" ...
ListBox keep selection after losing focus
I have a ListBox that when in focus, and when I have an item selected returns a valid SelectedIndex. If I have a valid SelectedIndex and I click on a TextBox on the same Forum, the SelectedIndex now becomes -1. However I want it to keep its SelectedIndex from changing. How would I go about doing this? ...
How to Write a "Fake" ListBox
I use ListBox to show Images. However I found if the Listbox contain more than 1000 Image Items, It is really slow if I want to zoom the thumbnails. I asked the qestion in http://stackoverflow.com/questions/181845/in-a-wpf-listbox-with-more-than-1000-image-items-the-zoom-images-become-slow And tried lots of method, however I can't solve ...
How can I set different Tooltip text for each item in a listbox?
I have a listbox that is databound to a Collection of objects. The listbox is configured to display an identifier property of each object. I would like to show a tooltip with information specific to the item within the listbox that is being hovered over rather than one tooltip for the listbox as a whole. I am working within WinForms a...
ASP.NET - ObjectDataSource: using multi-select ListBox as ControlParameter
Hello, I have a form that contains a GridView control which is databound to an ObjectDataSource Control. There are several TextBox controls that are already being used as ControlParameters for the ObjectDataSource. I also have a custom data object that the ObjectDataSource is associated with {TypeName="myDataClass"}. The values are pass...
Moving items in Dual Listboxes
How can I move items from one list box control to another listbox control using JavaScript in ASP.NET? ...
WPF Listbox Show Button in ItemTemplate on MouseOver
I have a listbox containing and image and a button. By default the button is hidden. I want to make the button visible whenever I hover over an item in the listbox. The XAML I am using is below. Thanks <Window.Resources> <Style TargetType="{x:Type ListBox}"> <Setter Property="ItemTemplate"> <Setter.Value>...
ListBox elements rearranged with JavaScript causing event validation error on postback
I have created an item swapper control consisting in two listboxes and some buttons that allow me to swap items between the two lists. The swapping is done using javascript. I also move items up and down in the list. Basically when I move the items to the list box on the right I store the datakeys of the elements (GUIDs) in a hiddenfiel...
Changing (Enable/Disable) GroupStyle in ListView for different category items
Hi All, How can I switch between GroupStyles for ListView based on some conditions at run time. For instance I need to use Default for items that that have GroupStyle Header name null, and if it is not null then use custom GroupStyle them? I tried GroupStyleSelector, and it doesn't work, because it works for multi level grouping, and ...