How Do I Bind A Text File Information To Datagrid Using Caliburn.Micro

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I am making a Address Book program in WPF and i want to bind my DataGridColumn from a text file having contacts information.
But, i dont know how to do it. Please Anyone Help Me...

Here's my ViewModel(ContactsViewModel.cs):

C#

using Caliburn.Micro;
using System.Windows;

namespace AddressBook {
public class ContactsViewModel : Screen {
   //What to do here ?
}
}

Here's the XAML Code(ContactsView.xaml):

<UserControl x:Class="AddressBook.ContactsView"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">

    <DataGrid FontSize="16" CanUserResizeColumns="False" SelectedIndex="1">
        <DataGrid.Columns>
            <DataGridTextColumn FontSize="14" Header="Name" Width="150"/>
            <DataGridTextColumn FontSize="14" Header="Mobile No." Width="170"/>
            <DataGridTextColumn FontSize="14" Header="Email" Width="200"/>
            <DataGridTextColumn FontSize="14" Header="Address" Width="240"/>
        </DataGrid.Columns>
    </DataGrid>

</UserControl>

Posted 25-Apr-15 19:16pm

HumayunAhmed

Updated 6-Apr-18 1:05am

v2

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Richard MacCutchan 26-Apr-15 3:10am

You need to split the fields of your text file so the individual items can be bound. Search the articles section for samples of data binding.

2 solutions

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aliwpf · Answer 1 · 2015-04-26T18:35:00

hi . if you want to use databinding in wpf , your model class implement INotifyPropertyChanged. see following:

C#

public class ContactsViewModel : INotifyPropertyChanged
{

    public event PropertyChangedEventHandler PropertyChanged;

    public void OnPropertyChanged(PropertyChangedEventArgs e)
    {
        if (PropertyChanged != null)
        {
            PropertyChanged(this, e);
        }
    }

    private string _firstName;
    public string FirstName
    {
        get { return _firstName; }
        set
        {
            if (_firstName != value)
            {
                _firstName = value;
                OnPropertyChanged(new PropertyChangedEventArgs("FirstName"));
            }
        }
    }
}

and your XAML:

XML

<DataGrid x:Name="ContactsDataGrid" ItemsSource="{Binding}">
                                    <DataGrid.Columns>
                                        <DataGridTextColumn FontSize="14" Header="FirstName" Width="150" Binding="{Binding FirstName}"/>
                                    </DataGrid.Columns>
                                </DataGrid>

and finally in your window.xaml.cs:
ContactsDataGrid.DataContext=GetContacts();

Jym_M · Answer 2 · 2018-04-06T01:06:00

Solution 2

The solution is not the Caliburn Micro way of doing this. If you want CM to do your binding, you need to create a BindableCollection<yourclass> SomeName and make sure that the DataGrid is SomeName in the XAML

<DataGrid x:Name="SomeName" />

Posted 6-Apr-18 1:06am

Jym_M