With guidance from others, I have solved the problem. The key was to use the PropertyChangedCallBack to manage when the SelectTags List was bound. In summary, the solution involves capturing the point at which the actual List binding takes...

WPF

custom-controls

Binding

collections

Binding not working when custom control is used in a datagridtemplatecolumn

6 Mar 2024 by Graeme_Grant

List is not a bindable collection. You need to use the ObservableCollection Class (System.Collections.ObjectModel) | Microsoft Learn[^]. Here is a working solution for a similar question. Create a new project and add this code: 1. Classes: ...

Binding not working when custom control is used in a datagridtemplatecolumn

6 Mar 2024 by hardover

Binding not working when Custom Control is used in a DataGridTemplateColumn My charge is to provide a control that can be used to select multiple items from a list of items. The items are classification tags. The object is a Tag. It has three...

Why binding radiobutton to string variable doesn't work in WPF?

16 Jan 2024 by Graeme_Grant

Because it expects a boolean value? Use an IValueConverter for binding conversions. Here is more information: Value conversion with IValueConverter - The complete WPF tutorial[^]

WPF

RadioButton

Binding

Why binding radiobutton to string variable doesn't work in WPF?

16 Jan 2024 by Sh.H.

Hi guys. I have a String variable which works like a Boolean. The data will be "Male" or "Female". So I Bind RadioButton to it in two way mode. But I don't know it doesn't work! Any Help please? UPDATE: I changed the IsChecked to Visibility. And...

WPF

RadioButton

Binding

Error when using controltemplate and binding together in textbox datagrid WPF

15 Jan 2024 by Sh.H.

I found the answer. I should bind the Text to parent, then bind to the Class.

Error when using controltemplate and binding together in textbox datagrid WPF

15 Jan 2024 by Sh.H.

Hi I have a DataGrid. I used TextBox in its cells. I made a ControlTemplate for it. So My problem is when I use controlTemplate, the Binding of TextBox won't work. But if I directly set everything in the DataTemplate, the Binding works perfect....

In WPF, how do I bind changeable values from codebehind into animation in XAML?

19 Jun 2023 by tb0rg

The wanted state is like this: There are notoverlaping containers (Borders) placed together on common canvas. When choosen Border is leftclicked, it is zoomed-in by animation and all other Borders are zoomed-out/moved at the same time. All...

Why default value of datagridcomboboxcolumn does not appear in the datagrid in C# WPF?

2 May 2023 by OriginalGriff

Repost: Deleted. Please do not repost your question; use the Improve question widget to add information or reformat it, but posting it repeatedly just duplicates work, wastes time, and annoys people. I'll delete this one.

Why default value of datagridcomboboxcolumn does not appear in the datagrid in C# WPF?

2 May 2023 by Graeme_Grant

When I hit an issue, sometimes I like to remove the noise and break out a small project that focuses on the main issue. I have done just that for you. Start a new WPF project with the name WpfDataGridComboBox and drop this code in and you can...

Why default value of datagridcomboboxcolumn does not appear in the datagrid in C# WPF?

2 May 2023 by mojtabahakimian

Project subject: I had an MS Access 2003 adp VBA project that would connect to SQL Server Database, Now I'm converting that project to C# WPF, and I'm going to save data directly into SQL Server database from DataGrid in C# WPF Detail: I have...

How do I fix problem in WPF while transfering data between two listboxes

3 Apr 2023 by Member 15758581

I am Working on a Backuptool but now i ran into a problem, all my Items in my ListBox where they were read from an OpenFolderDialog all have checkboxes. Now here is my Problem, I want to get the checked Items into another ListBox called...

How do I fix problem in WPF while transfering data between two listboxes

3 Apr 2023 by Graeme_Grant

You are using MVVM. You can use DataBinding to track selection. 1. Wrap the Model: public class CheckItemModel : ObservableObject { private bool isChecked; public bool IsChecked { get => isChecked; set => Set(ref...

Datagridtemplatecolumn.headertemplate binding is not working

17 Mar 2023 by Graeme_Grant

With data-binding, you need to implement the PropertyChangedEventHandler to notify the data-binding which property has changed. Here is a base class implementation: public abstract class ObservableObject : INotifyPropertyChanged { protected...

Datagridtemplatecolumn.headertemplate binding is not working

16 Mar 2023 by huynhminh97

I have a DataGrid with 2 column: checkbox column and Permission column. In new mode, when users select checkbox All in header then all child's checkbox is selected and vice versa (This logic is woking now). In edit mode, application will check if...

How to save bind a list of selecteditem in combobox to a database?

20 Nov 2022 by Graeme_Grant

(int)comboBox_CauseOfGame.Sele...

How to save bind a list of selecteditem in combobox to a database?

20 Nov 2022 by ernteSKY

Can somebody help me please? Binding a list into a ComboBox from a Database table with game names. When the user selected one of the list in the ComboBox then save after not storing only this data. Still empty this selected item. The following...

How to trigger selectionchanged event when combobox selected index is same not necessarily changed in WPF C#?

22 Oct 2022 by Member 15061773

Hi there, I have a simple WPF application where a different window will open if I select the last item of a Combo box. my code is working successfully but there some issue on my code. I want some more functionality. Suppose, I select the last...

How do I solve this problem?

20 Oct 2022 by Member 15802819

How to bind textbox from DropdownList statically without using database in ASP NET What I have tried: public partial class Pay : System.Web.UI.Page { int a = 600; int b = 500; int c = 800; string ph; protected void...

Bind an image stored in SQL server using varbinary(MAX) to datatable using C# winforms

18 Oct 2022 by f*rcklift2030

I'm a C# newbie working on a Winforms project and need help retrieving and displaying picture to picturebox. However, I'm getting an error "Unable to Cast object of type String to type byte[]" There are other elements such as Navigation that...

DataTable

Binding

image

How to two way bind a datagrid to a list of object as a property in a model class with static itemsource

5 Oct 2022 by BabyHai

I am new to WPF development. I've referred to many solutions online but still have no idea. I have a Listbox and a Datagrid. The Listbox loads data and displays selectable items dynamically. The Datagrid shows static table with a checkbox column....

How to two way bind a datagrid to a list of object as a property in a model class with static itemsource

4 Oct 2022 by Gerry Schmitz

The rows / columns of the DataGrid are binding to ExcelDataEntry ... That's where you implement INotifyPropertChanged for the "data items in your data source". When an ExcelDataEntry item is changed, you call "its" OnPropertyChanged handler. If...

How to dynamically populate a dropdown list values matching with another dropdown in MVC using jquery ajax

18 Sep 2022 by Manojkumar-dll

i want to populate the datas matching with the ddl_Custid into another ddl ddl_Deviceid by using JQuery ajax but it's not working where am i doing mistake please point that and how to make it work Thank You What I have tried: ...

How to dynamically populate a dropdown list values matching with another dropdown in MVC using jquery ajax

18 Sep 2022 by towaso

I assume you want to display devices for a customer ? In your example you extend the dropdown $("#ddl_Deviceid") with the selected $("#ddl_Deviceid") value. You may want to fill the devices depending on the value of customer. $.ajax({ ...

Entity validation exception problem

8 Sep 2022 by jbm417

My app uses EntityFrameWork 6.x in VS 2019 Ver 16.11.18 I bind a datagridview control to a bindingsource expecting all will be good. Problem is the grid allows user to enter more characters than the database table column allows. When this...

Binding

DataGridView

Entity validation exception problem

8 Sep 2022 by RickZeeland

You can find some suggestions on CodeProject here: How to set max length of datagridview column?[^]

Binding

DataGridView

Binding datagrid/datagridrow problem

30 Aug 2022 by hardover

I can not work out the binding for UserControl that is in a DataGridTemplateColumn of DataGrid. I built this example to demonstrate the problem. The UC here is trivial and does nothing meaningful. But eventually I want a UC that does. It will...

WPF

Binding

Binding datagrid/datagridrow problem

30 Aug 2022 by hardover

OK, after working through some changes one at a time, I have fixed this problem. The single thing that made the difference was the fact that I was initializing ItemsList in the Constructor public BindList() { //ItemsList = new...

WPF

Binding

Binding datagrid/datagridrow problem

25 Aug 2022 by Graeme_Grant

Have you checked your binding? Here is a quick test showing the binding working: 1. Model: public class DataRecord { public int ID { get; set; } public string? Name { get; set; } public string? Description { get; set; } public...

WPF

Binding

Binding to a usercontrol in a datagridrow

22 Aug 2022 by hardover

This question has not resulted in a workable solution. It is likely due to poor problem definition/communication on my part. I am closing it. I have made another example and question, a better attempt a problem definition/communication....

WPF

Binding

DataGrid

Binding to a usercontrol in a datagridrow

22 Aug 2022 by hardover

I can’t make binding work to a UserControl in DataGridTemplateColumn. The UserControl is TagSelect. It works with the first two independent uses in this example. I have confirmed that the DP SelectedTags is not binding when used in the DataGrid....

WPF

Binding

DataGrid

How do I properly update UI after CRUD in my WPF app ?

11 Aug 2022 by Member 12692000

I'm trying to make a simple WPF application where I can do CRUD operations on the selected row of a datagrid and all the related datagrid's and other controls view get updated instantly. In my app there are currently 2 tabitems, in the first...

C#5.0

WPF

Binding

Binding to a usercontrol in a datagridrow

9 Aug 2022 by Graeme_Grant

1. This is trying to point to a Collection of type Tags on the DataContext of the MainWindow. You have set it to...

WPF

Binding

DataGrid

How do I properly update UI after CRUD in my WPF app ?

6 Aug 2022 by Gerry Schmitz

The ObservableCollection (OC) is a "persistant" data collection that is bound to the "UI". Updates to the OC are reflected in the UI when items are added, removed, etc. In your case, you create a new OC every time it is accessed: public...

C#5.0

WPF

Binding

Fluent Expression Tree Binding in MVVM

25 Jul 2022 by Federico Alterio

Get rid of all that MVVM boilerplate code just to bind an expression to other properties

MVVM

Binding

expression

How do I display data to text boxes of a selected row of a WPF datagrid?

3 Jul 2022 by Member 12692000

I'm trying to show the column values of the selected row of a wpf datagrid to different textboxes without breaking the mvvm pattern. I'm relatively new to the mvvm. Here is my XAML:

C#5.0

Binding

MVVM

Javascript event listener "e"

14 Jun 2022 by madQuestions

I'm trying to get a grasp of e, this, binding. In this example, if you press the create new div button you get an elapsed time and start button. If you create multiple divs and press start on each, they are all impacted. I'm trying to make the...

Javascript

Binding

How to bind datatemplate or controltemplate in WPF

23 May 2022 by User 15393223

I created view model class in another class. So I also created a border which is showing Engine values(temperature, etc.) I have approximately 60 engines. So I dont want to copy-paste that values. I want to create a Datatemplate or...

How to bind datatemplate or controltemplate in WPF

23 May 2022 by Chris Copeland

Why do you have 60 different MachineX properties instead of just having an ObservableCollection? Having individual fields is going to not only make your code incredibly difficult to maintain, but you're also going to make an incredible...

Wpf treeview binding to list<itemes>

3 Mar 2022 by Member 7912784

i have list of items this list have another list of items how to bind it to the TreeView public List JobeGroups { get; set; } = new List() { new JobesGroup() { ID=1, ...

WPF

Binding

treeview

Wpf treeview binding to list<itemes>

3 Mar 2022 by Member 7912784

Here is solution thanks to thatguy at Stack Overflow - Where Developers Learn, Share, & Build Careers[^]

WPF

Binding

treeview

Wpf treeview binding to list<itemes>

2 Mar 2022 by Graeme_Grant

I did a quick Google Search:wpf treeview binding[^] And found this for you: TreeView, data binding and multiple templates - The complete WPF tutorial[^]

WPF

Binding

treeview

How do I change the color of a button from an element of a brush array in WPF MVVM?

3 Feb 2022 by Roy Mustang 2022

I am trying to change button's color when it is clicked. But it is not changing color. Here is my code. What I have tried: private SolidColorBrush[] _btnBrush; public SolidColorBrush[] btnBrush { get { ...

How do I change the color of a button from an element of a brush array in WPF MVVM?

2 Feb 2022 by Richard Deeming

You are changing an element within an array. That will not raise any "property changed" events, so the UI has no idea that the binding needs to be updated. Try replacing your array with an ObservableCollection: public...

Property bindning problem

22 Nov 2021 by Niklas Arabäck

Hi I like to bind a object proberty with a user control proberty. I'v try the folowing code, but it works only when i'm in the actual method, not outside the method. The User Control shall act like a GUI for the Object (diffrent object with same...

properties

Binding

Property bindning problem

22 Nov 2021 by Maciej Los

Well, i'd suggest to move data biding into ucSignGen. Imagine, you can easily set/get an object related with UserControl. All you need to do is to create custom property: partial class ucSignGen { private SignalGenerator SigGen = new...

properties

Binding

Wpf MVVM: how to bind button command in usercontrol in dynamic tabitems

9 Nov 2021 by DoingWork

Hi Friends I have 2 different user controls i.e. ViewAUserControl.xaml , and ViewBUserControl.xaml . These controls are added dynamically in dynamic tabItems where each tabItem contains any single userControl from availabe 2 UserControls, whom...

Wpf MVVM: how to bind button command in usercontrol in dynamic tabitems

9 Nov 2021 by pszyjaciel

In the ViewAUserControl.xaml: xmlns:local="clr-namespace:WpfPractice.ViewModel" In the ViewBUserControl.xaml: ...

Xamarin forms datagrid - how do I update and refresh datagrid?

6 Oct 2021 by Member 11298827

I'm new to Xamarin Forms, most of my experience is with Windows Forms and C#. The project I'm trying make has a DataGrid using Xamarin.Forms.DataGrid, and a button to use for updating the data and refreshing the DataGrid. The project is based on...

Binding

Xamarin

DataGrid

Xamarin forms datagrid - how do I update and refresh datagrid?

6 Oct 2021 by Member 11298827

Since the time I posted this question I have found a suitable solution. I found a different example that used ListView instead of DataGrid. While I really needed DataGrid, I thought I might be able to use the same technique since the ListView...

Binding

Xamarin

DataGrid

Bind a combobox and show all available items inside

26 Aug 2021 by dj4400

Hi Sorry in advance for the long question ... I'm using C# winforms on my app. I have 2 combo boxes (id and type) and 1 textbox (name) that are bind to a data that represents an item in a list Changing the 1st combo box (id) - changes the...

WinForms

Binding

combobox

Bind a combobox and show all available items inside

26 Aug 2021 by dj4400

I found a solution: The comboBoxType binding should be declared like that: //Clicking the combo box now shows all the enum values comboBoxType.DataSource = Enum.GetValues(typeof(EnumItemType)); //the selected item of the combo box now...

WinForms

Binding

combobox

Review of my simple MVVM WPF app (couple of bugs, and seeking insight in how to streamline/simplify things)

25 Jun 2021 by Flidrip

Hello! I am very confused. I am building a WPF application, trying to use the MVVM design pattern. It's fascinating and rewarding, even though it seems overly complex at times. I am new to programming, and I've only really dabbled in WinForms...

WPF

Binding

MVVM

C#/WPF: irregularities in textbox values when transferring datagrid row to child-window

23 Jun 2021 by Flidrip

Hello! Please see below image for reference: Messed up window — ImgBB[^] This is my WPF window; "LicenseHolderProfileWindow". Something fishy is going on when I'm trying to bind the TextBoxes. I made a phony profile, to show you what's...

WPF

Binding

DataGrid

Best way to handle specifying this string?

21 Jun 2021 by Member 15183001

Hey everyone, I'm wrecking my brain in how to best handle getting this string through a MVVM pattern, which I'm quite new at. C# also isn't my strong point so it could be a very easy solution, I have no idea. English also isn't my first langue,...

WPF

Binding

MVVM

Best way to handle specifying this string?

21 Jun 2021 by Richard Deeming

Don't try to bind to the list's SelectedItem. Instead, bind to properties on your viewmodel. public IReadOnlyList AllControllers { get; } private int _selectedControllerId; public int SelectedControllerId { get {...

WPF

Binding

MVVM

C# WPF combobox in datagrid to have a different source to the datagrid

14 Jun 2021 by Richard!i!

I am writing a C# WPF application and following the MVVM pattern. My ViewModel has an object in it called NetworkMain My View has a DataGrid which binds to an ObservableCollection called FlowControls which is inside NetworkMain My DataGrid...

C# WPF combobox in datagrid to have a different source to the datagrid

14 Jun 2021 by Richard Deeming

How about naming an element further up the hierarchy:

How do I bind itemscontrol to dictionary of string, datatable?

7 Jun 2021 by Aditya Jain 2021

I want to display multiple DataTables with fixed layout(columns are fixed and same for each table). I am using ItemsControls where ItemTemplate is Grid, and my collection of tables is in Dictionary. My dictionary is dynamic and can change, and...

WPF

XAML

Binding

How do I bind itemscontrol to dictionary of string, datatable?

7 Jun 2021 by Richard Deeming

In the code you've shown, allGroup is a private field. WPF binding only works with public properties. If you check the output window in Visual Studio, you should see at least one binding error telling you that the property allGroup could not be...

WPF

XAML

Binding

How do I replace the input of a raw txt file with user inputted text inside a textbox

1 Jun 2021 by Member 15183001

I have a dll file that for now uses a .txt file as input that is located in the debug folder of my application. I want to replace this .txt file with text as submitted inside of a textbox within my application. I'm still new to MVVM and WPF, and...

WPF

Binding

MVVM

How do I replace the input of a raw txt file with user inputted text inside a textbox

1 Jun 2021 by Richard Deeming

If you want to replace the contents of a text file, use File.WriteAllText[^]. However, your application is probably going to be running from a folder in the "Program Files" path. In that case, a standard user will not have permission to modify...

WPF

Binding

MVVM

Databinding to treeview in WPF

4 May 2021 by George Swan

Try doing the following. Build a class that the Tree can bind to. The only property is a populated list of parents. The list would be normally populated from a database. public class FamiliesVM { public List FamilyList {...

WPF

Binding

Databinding to treeview in WPF

4 May 2021 by Member 15183001

Hi everyone, I've tried databinding to a treeview for the first time but sadly no succes so far. The other control I've tried, a datagrid control, is fully working so I'm not sure what the bug is here. Was wondering if someone here could help...

WPF

Binding

Capture which cell in dgv is changed using bindingsource

17 Apr 2021 by Samir Ibrahim

I have a Datagridview binded to bindingsoure after I do manipulation on the data in bindingsource and refresh the datagridview some cells value is changed, I want to know which cell is changed 'ID Name Age

Binding

Capture which cell in dgv is changed using bindingsource

17 Apr 2021 by Samir Ibrahim

I Solve it using a collection, but I have to loop twice to all datagridview cells Dim dt = GetDataFromSqlServerForTableCustomer() Dim bs As New BindingSource bs.DataSource = dt dgv1.DataSource = bs coll = New Collection ...

Binding

How to specify a binding path for a params array to a custom indexer?

15 Feb 2021 by Smart K8

I have a singleton localization class with indexer. You can access it like this: Localize.Current[String key] I also have a custom Binding class that transforms string into a call to this indexer: {Translate MyKey} This will set Mode (OneWay) on...

WPF

Binding

How to specify a binding path for a params array to a custom indexer?

15 Feb 2021 by Richard Deeming

I haven't tried it, but I suspect the binding is ignoring the params modifier on your indexer parameter. It wants a one-to-one mapping from the PathParameters to the indexer parameters - ie: a single string, and a single string array. Try: ...

WPF

Binding

What is the formatter in multipart

6 Feb 2021 by rtksmithjoton123

A multipart request should bind a model, but how asp.net core bind it, with which formatter. Is there a link to this? What I have tried: I find some link of source code, but can not find the relavent formatter.

.NET-Core

Binding

form

How to bind enum values to datagrid columns

20 Jan 2021 by DoingWork

Dear C# WPF Gurus I want to design my WPF Form Like this Image Imgur: WPF User Rights Image[^] Where All column names coming from an Enum names as Role. public enum Roles { Manager, Master, Engineer, Guest } What I have tried: Kindly...

How to bind enum values to datagrid columns

20 Jan 2021 by Christian Graus

Once you add a datagrid, you can label the columns anyway you want and it's possible to foreach over an enum foreach (Suit suit in (Suit[]) Enum.GetValues(typeof(Suit))) { }

Wpf checkbox binding not working in MVVM model.

18 Jan 2021 by john321a

Binding is not working and ui is not updating.i am following MVVM pattern. Xaml ...

WPF

Binding

Wpf checkbox binding not working in MVVM model.

18 Jan 2021 by Sandeep Mewara

Seems you have not marked your ViewModel with INotifyPropertyChanged Thus, your property is also not making use of interface making sure the changes can reflect. Please have a look at this to refer: How to: Implement Property Change...

WPF

Binding

Display list of strings in WPF window in C#

12 Jan 2021 by john321a

SelectedFiles contain an array of string, and I want to display it on Listbox. when I debugg this code. when I hover on SelectedFiles it shows the array but not reflected...

WPF

XAML

Binding

Display list of strings in WPF window in C#

12 Jan 2021 by Richard Deeming

You'll need a custom value converter to bind a list or array of strings to a textbox. For example: public class JoinStringConverter : IValueConverter { public object Convert(object value, Type targetType, object parameter, CultureInfo...

WPF

XAML

Binding

Display list of strings in WPF window in C#

11 Jan 2021 by Chris Copeland

hello(selectedFiles); InitializeComponent(); You're calling hello(selectedFiles); before the UI has been initialized by InitializeComponent();. Try moving the hello(..) below that and see whether it works.

WPF

XAML

Binding

Display list of strings in WPF window in C#

11 Jan 2021 by OriginalGriff

This is one of the most common problems we get asked, and it's also the one we are least equipped to answer, but you are most equipped to answer yourself. Let me just explain what the error means: You have tried to use a variable, property, or a...

WPF

XAML

Binding

WPF- TabControl with Datagrid in each TabItem

22 Jul 2020 by CTurcotte

Hi,I have been searching around without finding a fix so here I go.I have a Windows with a center that contain a UserControl that will fill the general area of my application.I have a TabControl with multiple TabItem. In each TabItem I have to show different controls including...

WPF- TabControl with Datagrid in each TabItem

22 Jul 2020 by Faisal Fagihi

I had the same problem and here is my solution: - Move your DataGrids to the tabcontrol resource as tiggers. ...

Show I ignore these errors...

15 Jul 2020 by Mike Hankey

I have a WPF app using the MVVM design pattern and am getting a lot of binding errors such as the one below in my UserControls; System.Windows.Data Error: 40 : BindingExpression path error: 'AttachmentTabToolbarClickCommand' property not found...

WPF

Binding

How I can bind the tag property of a textblock in a contenttemplate of a datagridcolumnheader style to the sortmemberpath property of the datagridtextcolumn

15 Jul 2020 by Azyrox

Hello everyone, someone has an idea how I can bind the tag property of the textblock ("tbHeader") in the ContentTemplate of a DataGridColumnHeader Style to the SortMemberPath property of the DataGridTextColumn!?

Binding

DataGrid

Edit in DataGridView and store in app.settings

5 Jul 2020 by communicore

a million years later... I'm a vb.net developer so if Ctype/Trycast have different implementations in C# just ignore me!I wonder if it had anything to do with your use of "as" casting (trycast in vb) which obviously returns null and is a better...

Edit in DataGridView and store in app.settings

5 Jul 2020 by lukeer

Hi folks,in effect, I need to have a dictionary that user can edit and that's stored in app.config.app.config doesn't like generics, it seems. At least I couldn't create a setting with a generic as its type. Not even by typing the fully qualified name instead of searching through the...

How to prevent databound combobox from automatically selecting the last item?

4 Jun 2020 by greatoceansoftware

Sorry for the trouble. Found the solution: The ResourcesView used to populate the list was in use in other places in the application, and was synching all controls bound to it. So setting the IsSynchronizedWithCurrentItem=False on all the...

WPF

Binding

combobox

How to prevent databound combobox from automatically selecting the last item?

4 Jun 2020 by greatoceansoftware

I have the following data bound ComboBox, and it insists on automatically selecting the last item when loaded. Anyway to get it to load with nothing selected?

WPF

Binding

combobox

Wpf add several user controls what about binding?

2 Jun 2020 by RickZeeland

Maybe the answer here will be helpful: How to bind code behind variables in WPF[^] And also: User control binding in wpf[^]

WPF

Binding

custom-controls

Wpf add several user controls what about binding?

2 Jun 2020 by martinx

I add to my main Window several User Controls Code Mainwindow.xaml.vb Dim u1 As UserControl = New CTRL_Engine(Brushes.Brown) u1.Height = 100 u1.Width = 100 u1.Name = "Test1" CTRL_Visu.Children.Add(u1) ...

WPF

Binding

custom-controls

Error system.refection.targetinvocation when setting binding context in view

13 May 2020 by Eliza Maria

Hi!I have a project in Xamarin.Forms and I am using MVVM.The problem is that when I start the android emulator and the page is initializing,I get an error System.Reflection.TargetInvocation where I set the BindingContext in the view:...

Binding

Xamarin

MVVM

Error system.refection.targetinvocation when setting binding context in view

12 May 2020 by Richard Deeming

You can't create a RegistrationPage instance without creating a RegistrationViewModel instance first. The only way you can create a RegistrationViewModel instance without creating a RegistrationPage instance first is by calling the parameterless...

Binding

Xamarin

MVVM

How do retrieve data from database to calender in C# winform

14 Apr 2020 by Maciej Los

Quote: how we can show calendar data from the database to calender in c# winform. Take a look here: Select a Range of Dates in MonthCalendar Control - Windows Forms | Microsoft Docs[^] Display Specific Days in Bold with MonthCalendar Control -...

How do retrieve data from database to calender in C# winform

14 Apr 2020 by Member 14192879

I have created a database with columns cal_id, event name, event start time, event finish time, event date. but i am getting the point how we can retrieve or show that data in the calendar control. as in asp.net, we use calender1_dayRender() to...

How to fix MVC model returning ascii for single quote(') ?

13 Apr 2020 by Manisha Tambade

mvc model returning Subject Test- (' 1) for input textbox- Subject Test- ('1) when im attaching model field to textbox in one of the function. any idea to fix it. What I have tried: @Html.Raw(HttpUtility.HtmlDecode(@Model.property)); and ...

How to fix MVC model returning ascii for single quote(') ?

13 Apr 2020 by Bohdan Stupak

You've confused it with System.Web.HttpUtility.HtmlEncode which will escape single quote.

How do I use relativesource if I don't know the ancestorlevel?

7 Apr 2020 by Patrick Skelton

I'm puzzled by the Binding RelativeSource functionality. My question is in several parts: I want to bind to the data context of the whole window from a control buried deep in the visual tree 1. How do I determine the AncestorLevel? 2. Why...

Binding

How do I bind a datagrid column isreadonly property to a different property of the bound item

31 Mar 2020 by Patrick Skelton

This seems to do the trick. What I do is use a template column instead of a plain text column. Now I can swap templates for each individual cell based on properties to which that row in the grid are bound. So I then simply have one editable...

Binding

How do I bind a datagrid column isreadonly property to a different property of the bound item

31 Mar 2020 by Patrick Skelton

This is probably easier to show in code than to ask in English. I have a list in my view-model, something like this: public class CostItems { public string Name { get; set; } ""; public double UnitCost { get; set; } = 0.0; public bool...

Binding

How to bind the list<student> to datagrid/listview in WPF

11 Mar 2020 by chimmansrikanth

For Example Student { Name List } Subject { GroupName SubjectName Grade } DataGrid/ListView be like Subject Student1 Student2 Student3 ..... Student n...

How to bind the list<student> to datagrid/listview in WPF

11 Mar 2020 by Richard MacCutchan

Data binding overview - WPF | Microsoft Docs[^]

How do I update a binded textbox from C# code

19 Jan 2020 by User 11060979

You need to implement INotifyPropertyChanged in your Customer class. Here you find an example how to do it: INotifyPropertyChanged Interface (System.ComponentModel) | Microsoft Docs[^]

Binding

How do I update a binded textbox from C# code

19 Jan 2020 by Mohammad Abdullaha

I am working on a small WinForm project in VS 2010 C#, I created a Customer class with two properties (CusID & CusNm). And, I drew a ComboBox and a TextBox on a panel container drawn on the Form, (ComboBox for CusNm & TextBox from the CusID). I used two binding objects to bind the...

Binding