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Read Entry Text with Xamarin.Prism

I'm trying to create my first Prism App, how can I read the text value of an entry when i click on a button?

        <Entry Placeholder="Class" />
        <Button Text="Aggiungi" Command="{Binding AddClassCmd}"/>

        <ListView ItemsSource="{Binding Classes}">
                        <StackLayout Margin="8">
                            <Label Text="{Binding Name}" FontAttributes="Bold" />
                            <Label Text="{Binding Days}"/>

That's my xaml code, i need to read the text of the entry when i click on the button.



  • jezhjezh Member, Xamarin Team Xamurai

    You can try the following code:

     <Entry x:Name="name" Placeholder="Class"/>
     <Button x:Name="mybtn" Text="Aggiungi" Clicked="mybtn_Clicked"/>

    You can get value from Entry.Text property. For example:

       private void mybtn_Clicked(object sender, EventArgs e)
         var nameValue = name.Text;
  • NMackayNMackay GBInsider, University admin
    edited October 2018

    You can pass the value of the entry as a parameter to your command using relative source binding....or just bind the entry to a property in your viewmodel and check the value when command executes

            <Entry x:Name="EntryClassName" Placeholder="Class" />
            <Button Text="Aggiungi" Command="{Binding AddClassCmd}"
                                    CommandParameter="{Binding Source={x:Reference EntryClassName}, Path=Text}"/>
  • NMackayNMackay GBInsider, University admin
    edited October 2018


    This has nothing to do do with Prism, the binding, navigation etc is Xamarin Forms, Prism wraps these concepts to deliver an easy way to build nice apps.

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