ListBox

Great Reads

by Nilay M Joshi

Multiselect Combobox - Custom control for WPF

by Magnus_

public static void RemoveSelected(this ListControl source){ foreach (var item in source.Items.Cast().Where(li => li.Selected).ToList()) source.Items.Remove(item);}protected void btnRemove_Click(object sender, EventArgs e){ lstCity.RemoveSelected();}

Checkbox List With Filtering jQuery Widget

by Evren Yortuçboylu

A checkbox list jQuery UI widget with real time filtering functionality explained

Difference between ListBox and CheckedListBox DataBinding

by Paul_Williams

The difference between ListBox and CheckedListBox DataBinding.

Latest Articles

Editor for Folder Metadata in C#

by Martin Henke (1971)

Edit Metadata for folders by using desktop.ini features

Multiselect Combobox in WPF

by Nilay M Joshi

Multiselect Combobox - Custom control for WPF

A WPF ListView Custom Control with Search Filter Tutorial

by Michael Shpilt

A WPF tutorial on how to create FilteredListView: A ListView custom control with search filter that uses Throttling.

Using Knockout.js to Control Cascading Selects

by davekahn

An easy way to control the lists of options in multiple related SELECT controls

All Articles

top

ListBox

Multiselect Combobox in WPF

26 May 2021 by Nilay M Joshi

Multiselect Combobox - Custom control for WPF

.NET

WPF

ListBox

ListControl

combobox

Filtering ListBox entries by string

21 Nov 2010 by OriginalGriff

Try:string search = textBox1.Text;listBox2.Items.Clear();foreach (string val in listBox1.Items) { if (val.StartsWith(search)) { listBox2.Items.Add(val); } }

ListBox

Remove multiple items from ListBox

14 May 2010 by Magnus_

ASP.NET

ListBox

Adding items to a Listbox from a string with delimiters

21 Jan 2011 by Manfred Rudolf Bihy

Try this:public ListBox AddItemsToListBoxFromString(ListBox lb, String strItems, char[] separators){ String[] items = strItems.Split(separators); foreach(String item in items) { lb.Items.Add(item.Trim()); } return lb;}A typical call from a code...

ASP.NET

ListBox

ListView equivalent of listBox.TopIndex

23 Jan 2011 by Manfred Rudolf Bihy

Please try ListView.EnsureVisible(int index). See here: http://msdn.microsoft.com/en-us/library/system.windows.forms.listview.ensurevisible.aspx[^]

ListView

ListBox

Checkbox List With Filtering jQuery Widget

18 Sep 2012 by Evren Yortuçboylu

A checkbox list jQuery UI widget with real time filtering functionality explained

How to check if Vertical Scrollbar in CListBox

17 Jan 2014 by Jochen Arndt

You may use GetScrollBarInfo()[^]:bool bVisible = false;SCROLLBARINFO SbVert;SbVert.cbSize = sizeof(SbVert);if (GetLBox().GetScrollBarInfo(OBJID_VSCROLL, &SbVert)){ // Index 0 of rgstate is the scrollbar itself // See SCROLLBARINFO in the MSDN if (0 == sbi.rgstate[0] &...

How do I make my code more "professional"? C# .NET

26 Dec 2016 by OriginalGriff

Well...namespaces called "dropshit" don't help...nor does commenting each line in the code with the same info you get in the code line itself. And the number of regions is pretty silly - if you need a region inside your method, the code in the region should probably be in a method...

.NET

ListBox

Difference between ListBox and CheckedListBox DataBinding

15 Aug 2011 by Paul_Williams

The difference between ListBox and CheckedListBox DataBinding.

controls

data-binding

ListBox

how to check if a listbox does not contain any items from a checklistbox?

11 May 2012 by VJ Reddy

The following code can be used in the Click event of a Button, to find if any of the items in CheckedListBox is available in the ListBox. If available then the boolean flag notFound is set to false.bool notFound = true;checkedListBox1.Items.Cast().Select (s => { if...

WPF list box bound to read only observable collection not updating.

10 Jul 2013 by Pheonyx

I found my Issue, My ViewModel was inheriting from a base class that implemented INotifyPropertyChanged, however I had to declare my viewModel as such:internal class myVM: myBaseVM, INotifyPropertyChangedand ensure the correct references were in place else it failed to trigger the...

WPF

ListBox

How to check if Vertical Scrollbar in CListBox

16 Jan 2014 by CBadger

Try thisbool bHScroll = (m_List.GetStyle()&WS_HSCROLL)!=0;bool bVScroll = (m_List.GetStyle()&WS_VSCROLL)!=0;// if not answer look at source :-)source[+]

how to add selected items in listbox to database every selected item to new record

2 Feb 2014 by Karthik_Mahalingam

Try this for (int indexCounter = 0; indexCounter

ASP.NET

ListBox

Display pictures using a listbox?

15 Feb 2011 by Nish Nishant

Handle the ListBox's SelectedIndexChanged event and update the PictureBox according to the new selection.

image

ListBox

Scrolling in nested Listbox wpf

27 Jul 2011 by saurabhd13

Hi Friends Hope you all are doing good. I have few questions about WPF List BOX Some Background:We are trying to build a scheduling control like outlook with some custom functionality.I have already gone through the similar post in Code Project but we tend to take slightly...

WPF

ListBox

In WPF How can we load images in to listbox as user scrolls the listbox and display.

19 Dec 2011 by KiranBabu M

Hello,I have some 1000 .jpg images in a folder, Now i want to display these images with image number in a listbox.For this i have taken a collection of images and set as listbox item source. but the application is very slow as it is loading all the images at a time in to listbox.so i...

WPF

ListBox

Get listbox index from the text on the item in the listbox

17 Mar 2012 by ProEnggSoft

The FindString method of ListBox control returns the index of string in the items of the ListBox as shown below:int orangeIndex = listBox1.FindString("Orange");int appleIndex = listBox1.FindString("Apple");

ListBox

string

C#, MVVM ListBox ContextMenu

30 Apr 2012 by Shahin Khorshidnia

HelloUse this: ...

MVVM

ListBox

How to get string of each selected item in Listbox (MultiSimple)

2 May 2012 by Maciej Los

Sandeep Mewara was trying to tell you to use selecteditem object, not ListBox1.SelectedItems(LBitmCounter). In my example i replaced it with oItemFor Each oItem As [Object] In ListBox1.SelectedItems If oItem.ToString = "Text 1" Then Action 1 ElseIf oItem.ToString = "Text 2"...

Display Data from ListBox 1 to ListBox 2 from SQL Server

13 May 2013 by Aydin Homay

Hi againIt is really easy just you should register SelectedIndexChanged event for listbox2 and make your query follow of :void listBox1_SelectedIndexChanged(object sender, EventArgs e) { string bindingQuerylistBox2 = string.Empty; bindingQuerylistBox2 = "select *...

ListBox

Display Data from ListBox 1 to ListBox 2 from SQL Server

13 May 2013 by Aydin Homay

private void Form2_Load(object sender, EventArgs e) { SqlConnection cs = new SqlConnection(@"Data Source=.\sqlexpress;Initial Catalog=details;User ID=sa;Password=P@ssw0rd"); SqlCommand cmd = new SqlCommand(); cmd.Connection = cs; ...

ListBox

Display Access 2013 Database Data in List Box

14 Jun 2013 by JNDIONYSIM

Check this link and scroll to Forms over Data Video Series section....http://msdn.microsoft.com/en-US/vstudio/bb466226.aspx[^]You will found a lot of interesting information ... You can do what you are asking for in visual studio 2012 with out writing a single line of code :)You can...

How to deselect item when click outside list control box in mfc

22 Aug 2013 by Richard MacCutchan

Use the CListBox::SetCurSel[^] function to clear the selection, probably in the OnKillFocus[^] override.

Sorting a listbox using checkedlistbox in ShowDialog form

23 Mar 2014 by BillWoodruff

After playing with the CheckedListBox a while, I am convinced you will find it much easier to implement this using two ListBoxes. The ListBox offers you built-in sorting by setting its 'Sorted Property to 'true.If you still really wish to use a CheckedListBox, hopefully this code will give...

WinForms

ListBox

sorting

Add items to Listbox from string saperated with Pipe symbol.

12 Jun 2015 by CHill60

Try thisstring input = "9000384454|130945522842|13098575900|917379563772|919014742532|99484575475";var items = input.Split(new []{'|'}, StringSplitOptions.RemoveEmptyEntries);listBox1.DataSource = items;

How do I make my code more "professional"? C# .NET

26 Dec 2016 by Philippe Mori

Well, that code look a lot more like school project code than professional code! Here are my suggestions:#1 Follows the nomenclature of the language/framework. In .NET, Pascal casing is normally used for classes and functions names (ClassName, FunctionName) . Variables should use camel...

.NET

ListBox

Find and show an item in listbox

23 Feb 2017 by Karthik_Mahalingam

try this, corrected code and custom search. private void btAdd_Click(object sender, EventArgs e) { string nameFamily = tbName.Text + " | " + tbFamily.Text; listnames.Items.Add(nameFamily + " | " + tbTell.Text); } private void...

How to select row of data in listbox, split it and display in numbered textboxes (txtbox1, txtbox2..?

7 Feb 2018 by Maciej Los

If you would like to split listbox item into parts, use ListBox.SelectedIndexChanged Event (System.Windows.Forms)[^] Then, inside that event, paste below code: Dim curItem As String = ListBox1.SelectedItem.ToString() Dim parts As String() = curItem.Split(New String(){","},...

SelectedIndexChanged

SelectedValue

ListBox

How so suppress the indexchanged event when filling a listbox?

14 Feb 2019 by OriginalGriff

You could remove the event from the handlers list and add it back at the end: Add and remove event handlers dynamically in VB.NET[^] That effectively "disables" it while it's being filled.

event

ListBox

Create a listbox that shows available serial ports synchronously

2 Oct 2019 by Maciej Los

Wel... Start here: Ready-to-use serial port enumeration list box[^] For further details, please see: SerialPort.GetPortNames Method (System.IO.Ports) | Microsoft Docs[^] [EDIT] There's no guarantee that SerialPort.GetPortNames method will return the names of ports. But, there's work-around....

C# form1 and form2 - listboxes, dialog

12 Mar 2020 by phil.o

You could give Form2 a constructor accepting an enumeration of integers as parameter, which you would use to populate the second listbox: public Form2() { InitializeComponent(); } public Form2(IEnumerable values) : this() { ...

ListBox

dialog

C# form1 and form2 - listboxes, dialog

12 Mar 2020 by Maciej Los

In addition to @phil.o solution, i'd suggest to read these very interesting tips/articles: Transferring information between two forms, Part 1: Parent to Child[^] Transferring information between two forms, Part 2: Child to Parent[^] Transferring...

ListBox

dialog

Combobox and listbox folder and files

4 Aug 2020 by TheRealSteveJudge

First of all you must cast "sender" which is just an object to "ComboBox". Then you must get "SelectedValue". Finally you must get the files that are in the selected directory and use it as data source for the ListBox. private void...

ListBox

combination

drop-down

Separate files by filename to listbox

7 Aug 2020 by Richard Deeming

Something like this should work: var fileNames = directoryInfo.EnumerateFiles() .Select(f => f.Name) .ToLookup(f => Path.GetFileNameWithoutExtension(f).LastOrDefault()); listBox1.DataSource = fileNames['a']; listBox2.DataSource =...

file

FileIO

ListBox

How to store data more efficiently so I can sort by surname.

22 Nov 2020 by PIEBALDconsult

Define a class, with the two values, a ToString for displaying them together, and a compare method which sorts by last then first.

.NET

dictionary

ListBox

Pasting clipboard data into a listbox/gridview

29 Mar 2021 by Maciej Los

Try this: Dim clipNumbers = clipboarddata.Split(New String(){Microsoft.VisualBasic.vbNewLine}, StringSplitOptions.RemoveEmptyEntries) _ .Select(Function(x) New SortedNumbers With {.RandomNumber =Math.Abs(Convert.ToInt32(x))}) _...

.NET

ListBox

Sort month and year in listbox C#

31 Jan 2022 by OriginalGriff

The problem is that you can't do it like that: you are providing string based data, so the comparison is always going to be string based - and that means that the result of the entire comparison is based on the first different character in the...

ListBox

My string.format doesn't align as I want, can you spot the error?

24 May 2020 by OriginalGriff

It's because the font that the ListBox is using to display the strings is a proportional font: not all the characters are the same width. For example, "i" is much narrower than "W", and "." is really narrow while "#" is a lot wider. Change the...

ListBox

string

ListBox linking

10 May 2010 by William Winner

I'm a little bit confused with what you are asking, but here is what it seems to me.You want a ListBox to show just a name. You want that when the ListBox Item is clicked, you can pull out from that item where the video file is. Is that correct?If so, there are a couple of options...

Listbox Item Background color

9 Jul 2010 by #realJSOP

I wrote an article that customizes the drawing in a ListBox. Anagrams - A Word Game in C#[^]The following is an excerpt of the appropriate section of the article:The Word ListI wanted a way to show the user what he'd typed, so I decided on a list box. As the program validates...

ListBox

Listbox Item Background color

9 Jul 2010 by DaveyM69

This code colors the item's background based on index - ammend to work on a property of the item at that index.(Form [FormMain] with a ListBox added called listBox)using System.Drawing;using System.Windows.Forms;namespace CP.QA.WinForms{ public partial class FormMain : Form ...

ListBox

Flashing border of another control if the selection of a listbox changes

30 Dec 2010 by William Winner

What you would want to do is hook the textbox's TextChanged event. Because you've databound that textbox, the listbox has no knowledge of the textbox, so that's where you would have to start.So, in that event, you would just draw a box around the textbox with the color that is in the...

What does ValueMember property of ListBox class return?

17 Jan 2011 by Manfred Rudolf Bihy

A ListBox has display strings those are the ones you see in the GUI and associated with each of these display strings is a value. So the DisplayMember of ListControl gives you the string as you see it in your GUI and the ValueMember property of ListControl (ListBox is derived from ListControl)...

c# access listbox

24 Jan 2011 by Corinna John

The listbox stores only plain text, so you have to store the relevant information about your records in another list or in a dataset. As long as your listbox is not sorted (that means, listbox and objects list are in same order) you can do something like that:for(int i=0; i

ListBox

MS-Access

Adding items to a Listbox from a string with delimiters

21 Jan 2011 by Hiren solanki

ListBox lst = new ListBox(); lst.Items.Add(new ListItem("rupa")); lst.Items.Add(new ListItem("anitha")); lst.Items.Add(new ListItem("latha")); lst.Items.Add(new ListItem("rani"));That is what you looking for ?Ok now as manfred suggested I can revise my...

ASP.NET

ListBox

Adding items to a Listbox from a string with delimiters

21 Jan 2011 by Sergey Alexandrovich Kryukov

Formally, there are correct answers already.I would add advice a minor improvement to all the presented codes:string[] items = source.Split( new char[] { ' ', ',' }, StringSplitOptions.RemoveEmptyEntries);It allows for more relaxed human-readable requirements for the format...

ASP.NET

ListBox

ListView equivalent of listBox.TopIndex

23 Jan 2011 by Henry Minute

ListView has the TopItem property that you could use.

ListView

ListBox

Combo box and list box not displaying data

10 Feb 2011 by #realJSOP

Try this:ta = cbxGenre.SelectedText;Have you considered using the debugger?

ListBox

combobox

How can I display pictures in a picture box using the listbox?

16 Feb 2011 by OriginalGriff

All you have to do is set the PictureBox.Image property:if (myPicture.Image != null) { myPicture.Image.Dispose(); }myPicture.Image = Image.FromFile(@"F:\Temp\MyImage.jpg");The dispose just tidies up after yourself!You can use any image source you have: it could be a Bitmap...

image

ListBox

How can I display pictures in a picture box using the listbox?

16 Feb 2011 by Espen Harlinn

This may be of interest:Extending the ListBox to show more complex items[^] - provides a listbox that allows you to display an image to the right of the text.RegardsEspen Harlinn

image

ListBox

Viewing images and text in a grid

8 Mar 2011 by Tarun.K.S

From my understanding, When you bind an Image in XAML, it must be of type BitmapImage. So you can change the type of Image in your MyItemType class to BitmapImage instead of byte[]. You don't have to convert it into byte.In short, this is what you have to do.public class...

WPF

image

ListBox

How to I make a custom control which changes the colour of a listbox item?

29 Mar 2011 by Henry Minute

For WindowsForms take a look at this thread[^].

ListBox

custom-controls

Listbox custom control not working

31 Mar 2011 by BobJanova

If you inherit from UserControl you need to do everything yourself, including managing the list of items that are in the list box. For example, here is my control to solve a similar problem.

ListBox

custom-controls

VB.net SQLparameter Listbox

20 Apr 2011 by Maciej Los

1) Only for the first time (i=0) you can add parameter! For the next loop you must change it!or...2) Build query in run-time in this way:sSQL = "INSERT INTO Tracks (TrackTitle, TrackSeqNum) " & vbCrLf & _"VALUES( '" & ListBox3.Items(i) & "', '" & ListBox1.Items(i)"')"Then you need to...

SQL-Server

Parameter

ListBox

adding trigger to listbox grouped items

17 Jun 2011 by trirnd

Next example shows grouped items when your mouse is over the group, hope this is what you requested:

WPF

ListBox

load list from xml c# and output to listbox

25 Jul 2011 by UJimbo

The List was a change in the right direction. Take a look at this code for export and Import:private void ExportXML(){ try { System.Collections.Generic.List theList = new System.Collections.Generic.List(); XmlSerializer serializer = new...

XML

WPF

ListBox

When I use asp:ListBox, it does not work

10 Aug 2011 by Mahendra.p25

set AutoPostBack="true"

ASP.NET

ListBox

When I use asp:ListBox, it does not work

10 Aug 2011 by _Damian S_

ASP.NET

ListBox

Removing images from a listBox In c#

12 Aug 2011 by KiranBabu M

Hi,can any one give example how to clear images displayed in a listbox.I have listbox and two buttons on the form.when i click on first button(to select path of the images folder). and second button to display images in the listbox. for this i have talen a ImagesList.And all the images...

ListBox

WPF ListBox scrolls to top when I change status message or show wait screen

21 Aug 2011 by H. S. Masud

I'm developing an opensource application named Media Assistant[^]. I used a ListBox to show the library. ItemsSource is bound to a list of LibraryItem. Here is the XALM. ItemsSource="{Binding DataSource.OrderedLibraryItems}" ...

WPF

ListBox

WPF ListBox scrolls to top when I change status message or show wait screen

24 Aug 2011 by H. S. Masud

I found the reason behind this, so the solution. I used a DockPanel to layout my UI. I put my status bar at the bottom, the ListBox on the Left and other items are on middle and top. There is a TextBlock in my StatusBar which has width and Height set to Auto. So, when I changed text of my...

WPF

ListBox

gridview fileter from multi-select listbox

5 Oct 2011 by Espen Harlinn

Take a look at:GridView Multiple Filter AJAX Control[^]andMultiDropDown v2: A multiple selection Dropdown control for ASP.NET[^]Those two articles covers most of what you need to know...Best regardsEspen Harlinn

ASP.NET

ListBox

Gridview

Moving values between two listboxes

26 Oct 2011 by Orcun Iyigun

Do you know the magic tool called "Debugger" :) use it and will be amaze by the results.. use the Debugger in your button click code and see where the value that you are assigning is null. that's why it is throwing that error.

ListBox

How to insert an item in a list right where the user drops the item in WPF

9 Nov 2011 by KiranBabu M

Hi all,i want to perform the drag and drop for items in a list box. list box items source is the collection List.i have two list boxes. listbox1 contains all the items. i will drag and drop the selected items from list box1 to list box2(the items should be copied to listbox2). now in...

WPF

ListBox

Display data from the selection of two listboxes

6 Dec 2011 by S V Saichandra

Asp.Net Listbox and Tree View Code Updated:UI:

ASP.NET

ListBox

searsh listbox in C#.net

9 Dec 2011 by Abhinav S

Obtain the value from the textbox and then use the FindString method inside a Listbox. See here[^].

ListBox

In WPF How can we load images in to listbox as user scrolls the listbox and display.

19 Dec 2011 by Sergey Alexandrovich Kryukov

Showing one image at a time is usually fast enough, if the image is of the screen size or even more, but 1000 or so… no wonder it's too slow.You can try few different things. First, you can put only small thumbnail-size images in your list box. I hope you understand: not the images...

WPF

ListBox

In WPF How can we load images in to listbox as user scrolls the listbox and display.

19 Dec 2011 by Amir Mahfoozi

It seems that you need virtualization in wpf , so have look at these pages :WPF: Data...

WPF

ListBox

How to get the values of selected items in ListBox

8 Mar 2012 by Muthu Nadar

Dude... I also came through certain situation.But the only change in my case is, it was checklistbox.If I am not wrong, you must facing problem like,On selection of list value you need the current selectedvalue,but you must be getting the first selected value on every selection...

ASP.NET

ListBox

How to populate ListBox with stored procedure results

12 Apr 2012 by Wes Aday

You need to call reader.Read() before trying to access the data. In your example you are calling it after. Change your "do" loop to a "while" should fix it.while(reader.Read()){ tempVal = reader[0].ToString(); }

c# copy multiple files from listbox to specified folder

20 Apr 2012 by Umer Aziz Malik

Hello cebe_noyan,I did not get you question properly but here is my interpretation of your problem:You want to copy files specified (source files)in a listbox to a specific directory(target location). I take that the path of the source files if given.Here's the solution i...

ListBox

how do you list all files from your computer to a listbox in visual C#?

3 Jun 2012 by vivek.bagdai

For File browser you need two thing1. Directory path (Directory which user selects)2. List of all file.for 1. Requirement you can use FileBrowser,and for 2.you have to add list box and load all file list in the below code will help//Here "c:\user\public\picture" is Directory...

forms

file-system

ListBox

listbox contorl in asp.net

8 Jul 2012 by Prasad_Kulkarni

Does google broken at your side?Multiselect in listbox search on Google[^] gave me About 135,000 results (0.13 seconds). Visit it sometimes.You can try MSDN also:ListBox Class[^] for detailed description with some examples.Or else search on CodeProject QA forums[^] for similar...

ListBox

"Select all" method is not available in my VS2010

14 Aug 2012 by Zoltán Zörgő

Wait! You have confused everything! This has nothing to do with VisualStudio. And either you use WPF or WindowsForms control. PresentationFramework.dll is WPF, the link is for the WindowsForms control.To allow user to select all elements in wpf listbox look here:...

Visual-Studio

ListBox

How to update a listbox?

28 Oct 2012 by Cagri Kaynar

try this code lbItemsList.BeginUpdate(); lbItemsList.DataSource = null; lbItemsList.DataSource = shoppingBasket.OrderItems; lbItemsList.EndUpdate();

data-binding

ListBox

Clearing all fields in an application form,reset for next customer.

8 Dec 2012 by Crispanvarro

I can clear all the text boxes when i press reset button ,ie, txtName.text = "".. i can clear the combo boxes in the same way,but how do i reset the radiobuttons,checkboxes and listbox contents that have been selected.

ListBox

checkbox

Clearing all fields in an application form,reset for next customer.

8 Dec 2012 by Krunal Rohit

Its C# code, I've solved yesterday similar kinda question :private void button1_Click_1(object sender, EventArgs e) { List t = new List(); t.Add(textBox1); t.Add(textBox2); t.Add(textBox3); ...

ListBox

checkbox

Moving items from listbox to listbox

16 Dec 2012 by Espen Harlinn

"Operation is not valid while ItemsSource is in use. Access and modify elements with ItemsControl.ItemsSource instead."That sounds like a good advice.Add your items to an ObservableCollection

WPF

ListBox

How to create a menu using a listbox which can display pictures next to its text

18 Feb 2013 by Marco Bertschi

You can use a list box with pictures [^] at the left hand side for the menu and when the selected index on the list box changes you can load another user control on the area on the right hand side.Use the OnSelectedItemChanged - Event[^] of the list view to find out when the listbox' index...

WinForms

picture

ListBox

C# open file that is selected on listbox?

10 Apr 2013 by Sergey Alexandrovich Kryukov

I don't know how to talk with you (please see the comments to Solution 1). You probably need to know what are the involved directories. Please see my past comprehensive answers:How to find my programs directory ( executable directory),How to find my programs directory (current directory,...

ListBox

Display Data from ListBox 1 to ListBox 2 from SQL Server

10 May 2013 by Aydin Homay

Hi NirmalPlease change your binding solution, your solution is not good solution so please review follow of links and use list box DataSource property for this purpose, if you have a any question after review these links please take a comment for me ;)...

ListBox

Checkbox List With Filtering jQuery Widget

6 Jun 2013 by rmerca

This is an alternative for "Checkbox List With Filtering jQuery Widget"

WPF Listbox With DataTemplate and Dynamic Data Loading

27 Jun 2013 by Jason Gleim

I'm going to expand my comment...ItemSource is meant to be bound to an object that supports property change notification. What you should do is implement INotifyPropertyChanged on your class (I'm assuming the code-behind for that page) then add a property for each ItemSource:public...

WPF Listbox With DataTemplate and Dynamic Data Loading

27 Jun 2013 by kpolecastro

Imagine the items in triplicate for the different listboxes Source="{Binding Source={x:Static Application.Current}, Path=CurrentList}" x:Key="CurrentList" /> > ...

Replace List Items with New Ones

28 Jun 2013 by OriginalGriff

Whenever you handle the SelectionChanged event, you have to check if there are any selected items - because if there aren't then you will get a null reference exception when you try to use the SelectedItem property. And you get the event when you clear the list!Just check at the top of your...

ListBox

WPF Listbox With DataTemplate and Dynamic Data Loading

27 Jun 2013 by kpolecastro

To anyone that can help or show me a better way. I have tried to do this with an observable collection, a list based on a custom class, global/non-global collections, using the listbox's itemssource, synclocking, and finally emptying and manually entering in items.It tends to work fine, but...

WPF Listbox With DataTemplate and Dynamic Data Loading

27 Jun 2013 by Pheonyx

I've seen similar issues, and managed to fix them by re-working the code.The first change I would make would be with these:Try For I = Me.ParentListbox.Items.Count - 1 To 0 Step -1 Me.ParentListbox.Items.RemoveAt(I) NextCatchEnd TryTry For I =...

Two way drag and drop between listbox and datagrid column in wpf

11 Jul 2013 by minalmt

Hi,I am looking for some help implementing two way drag and drop functionality between ListBox and DataGrid column in WPF. i have searched through the net and managed to grab drag-drop samples but they don't fulfill my needs, plus most of them are having some missing codes. My datagrid...

WPF

DataGrid

ListBox

Custom control in MFC

25 Jul 2013 by Richard MacCutchan

You could start by looking at Creating Custom Controls[^], by our glorious leader.

MFC

ListBox

combobox

Want ListBox with dropdown list or ComboBox with ListBox multi-select capability

25 Aug 2013 by BillWoodruff

First, to the issue of other Controls "showing through:" unless you are using a UserControl that implements transparency (and getting a Windows Form UserControl to have any useful transparency is a dubious proposition), the only way any other control can "show through," is if it is placed on top...

ListBox

forms

combobox

listbox item forecolor change

5 Sep 2013 by Mike Meinz

Successful Example - Revised 5 Sep 2013 10:57 EDT to include RemoveAtThe following code works. I tested using Visual Studio 2012 on a Windows 8 PC. By using the Visual Studio Interactive Debugger, I determined that all visible rows in the ListBox are refreshed when a new row is added and...

ListBox

11 Oct 2013 by ASP.NET Community

The ListBox control is used to create a list control that allows single or multiple item selection. Use the Rows property to specify the height of

ListBox

data

selection

How to check if Vertical Scrollbar in CListBox

19 Jan 2014 by olid4

When there's no better way, I think this is the best way to solve the problem:if(rectListBox.Height() > GetLBox().GetCount() * GetLBox().GetItemHeight(0))There may be some problems with borders and stuff like that. But IMHO this should work appropriate in most cases.

how to add selected items in listbox to database every selected item to new record

2 Feb 2014 by Praveen_P

Hope this will meet your requirementforeach (ListItem lst in test_names.Items) { if (lst.Selected) { string selectedValue = lst.Value; string patient_id = Request.QueryString["id"]; SqlConnection cnm = new...

ASP.NET

ListBox

Create Table in Word 2007 and populate with a List box selection

25 Feb 2014 by Maciej Los

You should forget about DAO. Use ADO.net[^]!How To Use ADO.NET to Retrieve and Modify Records in an Excel Workbook With Visual Basic .NET[^]Accessing Microsoft Office Data from .NET Applications[^]Using ADO.NET to work with Excel files[^]USING ADO AND ADO.NET WITH EXCEL: Resources and...

MS-Word

ListBox

Why is Setting InactiveSelectionHighlightBrushKey not Working ?

5 Jul 2019 by Ahmad_kelany

hi everyone,i searched for changing ListBoxItem back color and persisting this selection color even if the control lost focusi found the solution like this :

WPF

ListBox

How do I...How to get the checked rows' "Product Name"s of a grid view in a list box

4 May 2014 by Peter Leow

Study this example and adapt it to your need:the aspx page:

ASP.NET

ListBox

Gridview

List files and folders in listbox using C#

3 Jun 2014 by Sergey Alexandrovich Kryukov

Please see my comment to the question, and also this:http://msdn.microsoft.com/en-us/library/c1sez4sc%28v=vs.110%29.aspx[^],http://msdn.microsoft.com/en-us/library/07wt70x2%28v=vs.110%29.aspx[^];alternatively, to request recursive...

ListBox

Add items to list from another class

11 Oct 2014 by BillWoodruff

'Utils is a Class, but in your code you never create an instance of that class.Like this: Utils currentUtils = new Utils();Once you have an instance of the Class, you can access the Public ListstringListLike this (in your Main Form):foreach(string receivableItem in...

ListBox

can some one explain about the following code in detail

8 Oct 2015 by Ramza360

First it makes a copy of the text in the DataTextBox.Text property.string data = DataTextBox.TextThen instantiates a new List, with the data returned by the Split call.List gradeString = new List(data.Split(new string[] { "\r\n" }, StringSplitOptions.RemoveEmptyEntries));The...