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Silverlight Unsaved Data Detection

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4.84/5 (16 votes)
4 Oct 2010Ms-PL4 min read 84.7K   437   19  
Detect that a user has un-saved changes and popup a box that allows them to stop navigating away from the page (using ViewModel / MVVM)
  • unsaveddatadetection.zip
    • UnsavedDataDetection.sln
    • UnsavedDataDetection.Web
    • UnsavedDataDetection
      • App.xaml
      • App.xaml.cs
      • Assets
      • Bin
        • Debug
          • AppManifest.xaml
          • ar
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • bg
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • ca
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • cs
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • da
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • de
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • el
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • es
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • et
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • eu
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • fi
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • fr
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • he
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • hr
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • hu
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • id
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • it
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • ja
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • ko
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • lt
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • lv
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • ms
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • nl
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • no
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • pl
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • pt
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • pt-BR
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • ro
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • ru
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • sk
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • sl
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • sr-Cyrl-CS
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • sr-Latn-CS
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • sv
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • System.ComponentModel.DataAnnotations.dll
          • System.ComponentModel.DataAnnotations.xml
          • System.Windows.Controls.Data.dll
          • System.Windows.Controls.Data.Input.dll
          • System.Windows.Controls.Data.Input.xml
          • System.Windows.Controls.Data.xml
          • System.Windows.Controls.dll
          • System.Windows.Controls.Input.dll
          • System.Windows.Controls.Input.xml
          • System.Windows.Controls.Navigation.dll
          • System.Windows.Controls.Navigation.xml
          • System.Windows.Controls.xml
          • System.Windows.Data.dll
          • System.Windows.Data.xml
          • TestPage.html
          • th
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • tr
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • uk
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • UnsavedDataDetection.dll
          • UnsavedDataDetection.xap
          • vi
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.resources.dll
          • zh-Hans
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
          • zh-Hant
            • System.ComponentModel.DataAnnotations.resources.dll
            • System.Windows.Controls.Data.Input.resources.dll
            • System.Windows.Controls.Data.resources.dll
            • System.Windows.Controls.Input.resources.dll
            • System.Windows.Controls.Navigation.resources.dll
            • System.Windows.Controls.resources.dll
            • System.Windows.Data.resources.dll
        • Release
      • Classes
      • MainPage.xaml
      • MainPage.xaml.cs
      • Properties
      • UnsavedDataDetection.csproj
      • UnsavedDataDetection.csproj.user
      • ViewModels
      • Views 
<?xml version="1.0"?>

<!--
  For more information on how to configure your ASP.NET application, please visit
  http://go.microsoft.com/fwlink/?LinkId=169433
  -->

<configuration>
    <system.web>
        <compilation debug="true" targetFramework="4.0" />
    </system.web>

</configuration>

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Written By
defwebserver
Software Developer (Senior) http://ADefWebserver.com
United States United States
Michael Washington is a Microsoft MVP. He is a ASP.NET and
C# programmer.
He is the founder of
AiHelpWebsite.com,
LightSwitchHelpWebsite.com, and
HoloLensHelpWebsite.com.

He has a son, Zachary and resides in Los Angeles with his wife Valerie.

He is the Author of:

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Posted 3 Oct 2010

Article Copyright 2010 by defwebserver
Everything else Copyright © CodeProject, 1999-2024

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