c# & wpf

Good afternoon i have a login system that does not use sql it uses a php database on my webserver, what i am trying to sort out is logging in managed to do that fine, but i am trying to retrieve the login information ( aka username ) from the txtbox in wpf and when user logs in it displays...

Hello all, woke up this morning booted up my pc and got this error the current .net sdk does not support the targeting .net 6.0 i not made any changes to sdk it has taken me to this line of code, Trigger an error if targeting a higher version of .NET Core or .NET Standard than is...

My program is based on the MVVM structure. In essence the click of a button kicks of a series of calcs with the answers displayed in textboxes. Button is bound to a property of ICommand type in the ViewModel. I currently have: public bool CanExecute(object parameter) {...

I have a Employees model with properties private int _id; public int Id { get { return _id; } set { SetValue(ref _id, value); } } private string...

Hi guys, I need to create a quiz for a dewey decimal system. I have decided to use listboxes to match the answers. However I'm not getting anywhere. The case is as follows: Create a txt file that has atleast 100 entries from dewey decimal call outs, must contain 1st level, 2nd level and 3rd...

Hello, as mentioned in the title, I want to display an item of a comboBox in a textblock as a string. On the first image below you can see how it is currently displayed. The item of the comboBox is called "vegetarisch" and thats also what should only be displayed in the textblock. Thats the...

Hello, i have a quick question. How do I change the style of the tick inside a checkbox? Link to an image of my program: checkbox (Can't upload it here)

I created a MainMenu window with three buttons called "Start", "Settings" and "Exit". When you click on Settings, the MainWindow closes and a new Settings window opens up. In the Settings window there are radiobuttons to choose the difficulty and a "save & exit" button. Now I need to transfer...

Hello, I have problem because I have no idea how to bind Command to the button which is inside ToDo Task component. Here is a code example <Grid Background="#FF333333"> <Grid.RowDefinitions> <RowDefinition Height="50"/> <RowDefinition Height="50"/>...

I tried to integrate an example I found on the internet with my application but it doesn't work. Basically. my GUI contains a TextBox where the user can enter a value between 0 and 1. My goal is to check that the entered value is in the range [0,1] and also to have the property DiceThreshold...

The Idea is that when I start the application 2 windows pop up. On mainwindow I have button and on window1 I have label and when I press the button the label color should change. This is what Far have tried so far but it didn't work. What am I doing wrong ? and how to make it work ? Note: in...

The Idea is that when I start the application 2 windows pop up. On mainwindow I have button and on window1 I have label and when I press the button the label color should change. This is what Far have tried so far but it didn't work. What am I doing wrong ? and how to make it work ? Note: in...

I am working with patient data in a hospital. A patient can have multiple CT scans. Every CT scan may have several linked structure-sets Every structure-set contains several structures. I managed to display a list of structure names directly from a PostgreSQL table. The next step is to...

I have made a custom wpf Control and I have been trying to create a method of Position Tweening to it. I have followed the Microsoft Docs explanations but to no avail. Can someone tell me why does this code don`t work? NameScope.SetNameScope(_Rectangle, new NameScope()); RectAnimation a = new...

The .xaml code: <Grid Grid.Row="0" Grid.Column="0"> <Canvas x:Name="gCanvasPlot0" Width="500" Height="150" ... /> </Grid> <Grid Grid.Row="1" Grid.Column="0"> <Canvas x:Name="gCanvasPlot1" Width="500" Height="150" ... /> </Grid> The .cs code: //------------------------------ ...

Hi, I'm doing my project and I have now in several hours looked at it but cann't finde the error. I have 2 views 1 view is normal mode, where there is a combobox where it should be updated when choosing the tabItem is chosen. 2. View is new (creating a new item). Here is also a combobox with...

Hi I have the following TabControl with TabItems. I need to make som code when the Selection changes to another tab. First time I run the app I am going into the SelectionChanged. But then when choosing a new tab nothing happens at all. I want to go into the code each time, I hit the tabs. What...

I have a Datagrid bound to Datatable through Dependency property. I am unable to retrieve changes I make in datagrid even when I have set binding mode as two way. What are the best possible ways to update changes back to Source DataTable when dataGrid is edited? I know I can use...

Hey, Coders Programming my virtual assistant I have encountered this error - SAPI does not implement phonetic alphabet selection. I have reviewed the solution in forums and I have found that I have to add this line of code gb.Culture = new System.Globalization.CultureInfo("es-ES"); I have...

Hi, here is my short code in MS VS 2019 C# WPF - MVVM, can someone please explain me: 1/ where is pointed my code to after "return _SaveCommand;" which is placed to "public ICommand SaveCommand" property ? It is classic MVVM. 2/ And who is caller of "CommandManager.RequerySuggested += value;"...