Questions tagged as 'mvvm'

Tagged questions
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Drag and drop between views and regions with PRISM 4

I am trying to drag a view to another region with PRISM, and so far I have not succeeded. It's possible? Does PRISM 4 support this operation? If it does not support it, what would be the alternative solution? In the PRISM reference book: "Develo...
asked by 03.06.2016 / 13:05
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Problem of bindig in WPF with MVVM

I am working on a small solution that contains two projects. One is a data source and the other a WPF with MVVM. The code is uploaded in link The fact is that when I open a new window from the MainWindow by means of a button with its corres...
asked by 22.09.2018 / 08:59
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Get selected items from ComboBoxEdit

I'm working with some DevExpress controls and I have a problem, I want to get the values that are selected from the ComboBoxEdit that is inside a ListView but I can not, I add the code that I'm working with. <ListView x:Name="listCheck" Gr...
asked by 25.07.2018 / 21:56
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c # Pub-Sub pattern

I am trying to use the Pub-Sub pattern to communicate the ViewModels of my application, but I must be doing something wrong, since I do not get the events to trigger. The class with the code to handle the events is this: namespace App.S...
asked by 27.06.2016 / 17:33
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WPF Problems using IRegionManager

I use this method to call a view: IRegionManager regionManager = ServiceLocator.Current.GetInstance<IRegionManager>(); //Esta es la interfaz que implementara el CodeBehind de la vista. IListaBeneficiosPopupView busquedaBeneficioPopup =...
asked by 14.04.2016 / 21:15
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Warning: count (): Parameter must be an array

I have the following error: Warning: count (): Parameter must be an array or an object that implements Countable in ... and I really do not know why you are giving it to me, the code is the following: ' protected static $conexion; private s...
asked by 23.06.2018 / 23:13
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Delete textbox wpf MVVM

I am trying to delete the text from the textbox after inserting a data in the database. I do everything right except the deletion of the textbox. <TextBlock Text="Blog" Grid.Column="1" Grid.Row="1" Margin="0,0,10,0" ></T...
asked by 14.03.2018 / 10:44
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Hide / Show TextBox when the value of another TextBox changes

I am developing an application in WPF and I came across a small problem. I want that when the value of a TextBox is changed, other TextBox disappears, depending on the value of TextBox that is changing, I am using...
asked by 02.07.2017 / 04:42
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Error Android databinding with kotlin

I'm doing a project on Android with data binding and kotlin. Until a few days ago it compiled without problems, but suddenly it does not compile giving the following error: e: [kapt] An exception occurred: android.databinding.tool.util.LoggedE...
asked by 04.12.2018 / 10:51
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ZXingBarcodeImageView Navigation Back - Xamarin Forms - System.ArgumentException: Found empty contents

I have a view with the ZXingBarcodeImageView implementation <zx:ZXingBarcodeImageView BarcodeFormat="QR_CODE" BarcodeValue="{Binding QrCode}"...
asked by 12.10.2018 / 19:29