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AnswerRe: USB Cable Between PC And Android Pin
Richard Deeming8-Mar-19 9:43
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QuestionXamarin forms and SQLIte database Pin
Mycroft Holmes25-Feb-19 19:37
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SuggestionRe: Xamarin forms and SQLIte database Pin
David Crow26-Feb-19 4:15
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Mycroft Holmes26-Feb-19 12:24
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QuestionCross Platform Xamarin MVVM ListView binding to ViewModel List not working Pin
holdorf19-Feb-19 2:46
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AnswerRe: Cross Platform Xamarin MVVM ListView binding to ViewModel List not working Pin
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QuestionXamarin Forms Picker binding Pin
Mycroft Holmes21-Dec-18 19:35
memberMycroft Holmes21-Dec-18 19:35 
Using MVVM I have a fairly typical data entry form where the user selects a Site which, in the ViewModel, creates a new SiteRisks record and pre populates the ID fields, the user then selects a bunch of values from pickers.

A typical picker in XAML
<Label Text="Surface Conditions:"
       Style="{StaticResource Label1Style}" />
<Picker Title="Select"
        ItemsSource="{Binding SurfaceList}"
        SelectedItem="{Binding SelectedSiteRisks.SurfaceID, Mode=TwoWay}"
        ItemDisplayBinding="{Binding Surface}" />

Where SelectedSiteRisks.SurfaceID is the field on the object where the value will be stored. This works from the View > VM and the correct value is stored in the SelectedSiteRisks object but when I create a new SelectedSiteRisks object in the VM and preload the SelectedSiteRisks.SurfaceID the view does not reflect the changed value.

Do I need to have a selecteditem for each picker and manually update the SelectedSiteRisks object.
Never underestimate the power of human stupidity -
I'm old. I know stuff - JSOP

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Member 1408773812-Dec-18 20:07
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QuestionAdvice required Pin
Mycroft Holmes9-Nov-18 17:22
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AnswerRe: Advice required Pin
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