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giotis
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Joined: 26-Apr-2012
Location: Greece
Posts: 53
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Topic: Manual Custom Connection without having to leave the application Posted: 04-Sep-2012 at 11:11pm |
Sorry filled, the combobox not show the state from Adresses
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giotis
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Joined: 26-Apr-2012
Location: Greece
Posts: 53
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Posted: 04-Sep-2012 at 11:45pm |
I put a TextBlock in StaffingResourceAddressListView <TextBlock Text="{Binding Item.StateId}" />
everything work fine ComboBox have problem
<ComboBox Grid.Row="4" Grid.Column="1" Width="140" Height="25" Margin="2" HorizontalAlignment="Left" DisplayMemberPath="Name" ItemsSource="{Binding ElementName=LayoutRoot, Path=DataContext.States}" MaxDropDownHeight="200" SelectedValue="{Binding Item.StateId, ValidatesOnDataErrors=True, ValidatesOnExceptions=True, Mode=TwoWay}" SelectedValuePath="Id" />
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mgood
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Joined: 18-Nov-2010
Location: Emeryville, CA
Posts: 583
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Posted: 05-Sep-2012 at 10:14am |
Not sure without debugging the code. Are you logging out before switching the database?
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giotis
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Joined: 26-Apr-2012
Location: Greece
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Posted: 06-Sep-2012 at 7:42am |
test by your self (Cocktail ver 19545) I'll only take 2 minutes
namespace Common { public interface IUserSession { string Name { get; set; } } } namespace Common{ [Export(typeof(IUserSession)), PartCreationPolicy(CreationPolicy.Shared)] public class UserSession : IUserSession { private string _name; public UserSession() { } public string Name { get { return _name; } set { _name = value; } } } } namespace TempHire { public class CustomDataSourceKeyResolver : IDataSourceKeyResolver { public IdeaBlade.EntityModel.IDataSourceKey GetKey(string keyName, string keyExtension, bool onServer) { if (!onServer) { return null; } if (string.IsNullOrEmpty(keyExtension)) { return null; } if (keyName != "TempHireEntities") { return null; } String connectionString = ""; if (keyExtension == "PROD") { connectionString = @"Data Source=|DataDirectory|TempHire_Prod.sdf"; } if (keyExtension == "TEST") { connectionString = @"Data Source=|DataDirectory|TempHire_Test.sdf"; } string name = string.IsNullOrEmpty(keyExtension) ? keyName : keyName + "_" + keyExtension; return new ClientEdmKey(name, connectionString, false, "FromResolver"); } } } namespace TempHire { public class EnvironmentResolver : IConnectionOptionsResolver { private static ConnectionOptions TestEnv = ConnectionOptions.Default.WithDataSourceExtension("TEST"); private static ConnectionOptions ProdEnv = ConnectionOptions.Default.WithDataSourceExtension("PROD"); private IUserSession _userSession; [ImportingConstructor] public EnvironmentResolver(IUserSession userSession) { _userSession = userSession; } public ConnectionOptions GetConnectionOptions(string name) { if (name == ConnectionOptions.Default.Name) { switch (_userSession.Name) { case "Test": return TestEnv.WithName(ConnectionOptions.Default.Name); case "Prod": return ProdEnv.WithName(ConnectionOptions.Default.Name);
default: return null; } //return ConnectionOptions.Default.WithDataSourceExtension(_userSession.Name.ToUpper()).WithName(ConnectionOptions.Default.Name); } return null; } } }
namespace TempHire.ViewModels.Login { using System.Linq;
[Export] public class LoginViewModel : Screen, IResult { ....... private IUserSession _userSession; private string _displayMemberPath; private BindableCollection<object> _items; private object _selectedItem;
[ImportingConstructor] public LoginViewModel(IAuthenticationService authenticationService, IWindowManager windowManager, [Import(AllowDefault = true)] IGlobalCache globalCache, IUserSession userSession) { _userSession = userSession; DisplayMemberPath = "WithName"; Items = new BindableCollection<object>() { new Connections() { WithName = "Test" }, new Connections() { WithName = "Prod" } }; } private class Connections { public Connections() { } public string WithName { get; set; } } public string DisplayMemberPath { get { return _displayMemberPath; } set { _displayMemberPath = value; NotifyOfPropertyChange(() => DisplayMemberPath); } } public object SelectedItem { get { return _selectedItem; } set { _selectedItem = value; NotifyOfPropertyChange(() => SelectedItem); _userSession.Name = ((Connections)SelectedItem).WithName; } } public BindableCollection<object> Items { get { return _items; } set { _items = value; NotifyOfPropertyChange(() => Items); SelectedItem = _items.FirstOrDefault(); } }
LoginView after password <ComboBox x:Name="Items" Grid.Row="3" Grid.Column="1" Height="25" Margin="2,2,81,2" VerticalAlignment="Center" DisplayMemberPath="{Binding DisplayMemberPath}" Width="137" />
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giotis
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Joined: 26-Apr-2012
Location: Greece
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Posted: 12-Sep-2012 at 9:41am |
hello Marcel you found time for analysis
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mgood
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Joined: 18-Nov-2010
Location: Emeryville, CA
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Posted: 12-Sep-2012 at 10:13am |
Sorry, I have not. I should have time next week.
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mgood
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Joined: 18-Nov-2010
Location: Emeryville, CA
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Posted: 22-Sep-2012 at 1:59am |
Sorry it took me a while to look into this. The issue here is that the States entities are cached by the StaffingResourceAddressListViewModel between sessions. You have to clear them when the VM closes, so they get loaded fresh from the correct data source, otherwise they don't match. Modify StaffingResourceAddressListViewModel.OnDeactivate as follows: protected override void OnDeactivate(bool close)
{
base.OnDeactivate(close);
if (!close) return;
ClearAddresses();
States = null;
}
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