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How Dependency Injection Containers Work in C#?

Dependency Injection (DI) containers, such as Unity or DryIoc, help manage the creation and lifetime of object dependencies in C#. They facilitate the Inversion of Control (IoC) principle, allowing you to focus on writing clean, maintainable code without worrying about the complexities of instantiating dependencies manually. How DI Containers Work? Registration:  You define which concrete classes should be used to fulfill specific interface contracts. This allows the DI container to know what to instantiate when a class requests a particular dependency. Resolution:  When an instance of a class is requested, the DI container looks at the registered services, resolves the dependencies, and creates the object with the required dependencies injected. Lifetime Management:  The container manages the lifecycle of the dependencies. You can specify whether instances should be singleton (one instance for the entire application), transient (a new instance each time), or scoped (one ...
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How to apply theme and color in wpf Metro window application

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In this example i am using Prism,unity and MahApps make sure you are also using same otherwise you will not get PrismApplication,BindableBase and MetroWindow .   MainWindow.xaml  <metro:MetroWindow x:Class="WpfApplication.Views.MainWindow"              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"              xmlns:local="clr-namespace:WpfApplication"              mc:Ignorable="d"              xmlns:metro="http://metro.mahapps.com/winfx/xaml/controls"       ...
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Print preview with Print in wpf using MVVM, Prism

  MainWindow.xaml  <Window x:Class="WpfDemo.Views.MainWindow"              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"              xmlns:local="clr-namespace:WpfDemo"              mc:Ignorable="d" Title="MainWindow">      <StackPanel Orientation="Vertical" HorizontalAlignment="Center">          <TextBlock Text="This is Print Preview demo"/>          <Button Content="Open file dialog" Command="{Binding ClickCommand}"  Margin...
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How to Enable/Disable Button on Validation using DelegateCommand of Prism

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  MainWindow.xaml  <Window x:Class="Wpf.Views.MainWindow"              xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"              xmlns:d="http://schemas.microsoft.com/expression/blend/2008"              xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"              xmlns:local="clr-namespace:Wpf"              mc:Ignorable="d">      <Window.Resources>          <ControlTemplate  x:Key="TextBoxErrorStyle">              <StackPanel Orientation="Horizontal">                  <AdornedElementPlaceholde...
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How to edit selected row of DataGrid and add the new row to DataGrid

MainWindow.xaml <Window x:Class="WpfEx.Views.MainWindow"        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"        xmlns:local="clr-namespace:WpfEx"        mc:Ignorable="d">   <StackPanel> <DataGrid ItemsSource="{Binding LstStudents}" SelectedItem="{Binding SelectedStudent}" AutoGenerateColumns="False" Height="200" Width="200" HorizontalAlignment="Left">            <DataGrid.Columns>                <DataGridTextColumn Header="Name" Binding="{Binding Name}"/>                <Data...
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How to show xml data in DataGrid?

XMLData.xml < Students >   < Student >     < Roll > 1 </ Roll >     < Name > Kumar </ Name >   </ Student >   < Student >     < Roll > 2 </ Roll >     < Name > Harsh </ Name >   </ Student > </ Students > Create a class for xml data public   partial   class   Student     {          public   int  Roll {  get ;  set ; }                          public   string  Name {  get ;  set ; }     } Code To get data from xml file XmlSerializer serializer =  new  XmlSerializer( typeof ( ObservableCollection<Student>) ,  new XmlRootA...
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