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Can't you write/buy some folder synching software that runs as a service that watches one or more folders and automatically copies new files to another specified folder?
We use SureSync at work, but I've started my own project to do pretty much the same thing.
.45 ACP - because shooting twice is just silly
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"Why don't you tie a kerosene-soaked rag around your ankles so the ants won't climb up and eat your candy ass..." - Dale Earnhardt, 1997
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"The staggering layers of obscenity in your statement make it a work of art on so many levels." - J. Jystad, 2001
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I think it will be easier to either restructure the web site or store the uploads in the database. As this is a small non commercial app over which I have complete control I don't want to get into any elaborate structures.
Never underestimate the power of human stupidity
RAH
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More of a broad question than a specific code question:
What is a good approach to record / (datagrid)row level validation vs. field validation. I have implemented the IDataErrorInfo interface into my model, but that seems really geared towards field level validation, which is great aside from when the user doesn't interact with the specific field.
I have a datagrid that contains a property address, which is broken up into parts. Some of the fields are required, some are not. The fields that are not required might or might not require a certain format if they do have value. I implemented all of this in my model using all the IDataError info interface.
What would be ideal is preventing the user from leaving the row in the datagrid without resolving errors.
Thoughts / Directions?
Cheers, --EA
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if I have XAML:
<Button Width=75 />
by default, it comes out to 21px high. This is fine on Aero, but everything other scheme has a default button height of 23px. Is there a generic way to do this? Surely littering my code with:
if (Aero)
button.Height = 21;
can't be the solution?
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You can apply a global style for buttons that sets the height.
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Is IStyleDispenser's extension GetStylesWithTargetType still a part of System.Windows.Controls.DataVisualization? I'm getting a missing reference or assembly error when I try to use it. Has it been renamed or dropped in favor of another method? Thank you in advance.
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I checked msdn and apparently it's not a part of the Datavisualization toolkit, any longer. Does anybody know of an alternative method? There doesn't seem to be much documentation on the method, itself.
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Hi,
I need to display a listView inside a Treelistview.
I need to Develop a Treelistview wherein each row will have its own sublist which is another listview displayed below the row.There will be an show/hide button in the first column in the main row which will control the show/hide property of the sublist.
I tried Creating a datatemplate for the listviewitemtemplate and tried controlling the showhide in the datatemplate trigger but didnt fully get idea on how can be done.
Can u please let me know some approach to achive this.If possible one sample on how it can be done.
My list view will look like below:
Column 1 || Column2 || Column3 || Column 4|| Column5
Row1
Column 1 || Column2 || Column3 || Column 4
Row1
Row2
Row3
Row2
Column 1 || Column2 || Column3 || Column 4
Row1
Row2
Row3
Can u pls Let me know on how to achieve this view.
Thanks
Krishnan
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Use a hierarcial data template
Everything makes sense in someone's mind
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Xaml:
<sdk:datagridtextcolumn foreground="{Binding Path=Age, Converter={StaticResource ContactListViewModel}, ConverterParameter=GetAgeColor}"
="" binding="{Binding Path=Age}" canuserreorder="True" canuserresize="True" canusersort="True" width="Auto" header="Age">
Converter (in ViewModel):
public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
{
switch(parameter.ToString())
{
case "GetAgeColor":
//Some code
return new SolidColorBrush(Colors.Red);
}
return value;
}
=============
Here Age is type double, I have converter to return different colors of Brushes based age. I'm getting the following error during the loading of the view in InitializeComponent(); Please help, what I'm doing wrong?
{System.ArgumentException: Object of type 'System.Windows.Data.Binding' cannot be converted to type 'System.Windows.Media.Brush'.
at System.RuntimeType.TryChangeType(Object value, Binder binder, CultureInfo culture, Boolean needsSpecialCast)
at System.RuntimeType.CheckValue(Object value, Binder binder, CultureInfo culture, BindingFlags invokeAttr)
at System.Reflection.MethodBase.CheckArguments(Object[] parameters, Binder binder, BindingFlags invokeAttr, CultureInfo culture, Signature sig)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture, Boolean skipVisibilityChecks)
at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, BindingFlags invokeAttr, Binder binder, Object[] index, CultureInfo culture)
at System.Reflection.RuntimePropertyInfo.SetValue(Object obj, Object value, Object[] index)
at MS.Internal.XamlMemberInfo.SetValue(Object target, Object value)
at MS.Internal.XamlManagedRuntimeRPInvokes.SetValue(XamlTypeToken inType, XamlQualifiedObject& inObj, XamlPropertyToken inProperty, XamlQualifiedObject& inValue)}
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When you return a color using a converter, you need to set it to the BackGround or the Foreground, not the Binding.
The funniest thing about this particular signature is that by the time you realise it doesn't say anything it's too late to stop reading it.
My latest tip/trick
Visit the Hindi forum here.
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Sorry I didn't paste the code completely. Please heck this
<sdk:datagridtextcolumn <b=""><foreground="{binding path="Age," converter="{StaticResource" contactlistviewmodel},="" converterparameter="GetAgeColor}"" <="" b="">
Binding="{Binding Path=Age}" CanUserReorder="True" CanUserResize="True" CanUserSort="True" Width="Auto" Header="Age"/>
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Oops! it again got truncated because I posted in HTML format. Here is right xmal.<sdk:DataGridTextColumn Foreground="{Binding Path=Age, Converter={StaticResource ContactListViewModel}, ConverterParameter=GetAgeColor}" Binding="{Binding Path=Age}" CanUserReorder="True" CanUserResize="True" CanUserSort="True" Width="Auto" Header="Age"/>
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You are binding your foreground and your main value to Age.
ananddayalan wrote: Binding="{Binding Path=Age}"
ananddayalan wrote: Foreground="{Binding Path=Age, Converter={StaticResource ContactListViewModel}, ConverterParameter=GetAgeColor}"
Age is a media color which you cannot bind a value to.
That must be the issue.
The funniest thing about this particular signature is that by the time you realise it doesn't say anything it's too late to stop reading it.
My latest tip/trick
Visit the Hindi forum here.
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I came to know DataGridTextColum.Foregorund is not a dependency property. Refer here for more details -> http://forums.silverlight.net/forums/p/207738/488966.aspx#488966
Thanks a lot. I achieved same by using data template.
<sdk:DataGridTemplateColumn.CellTemplate> <DataTemplate> <TextBlock Text="{Binding Height}" Foreground="{Binding Path=Height, Converter={StaticResource ContactListViewModel}, ConverterParameter=GetHeightColor}"></TextBlock> </DataTemplate> </sdk:DataGridTemplateColumn.CellTemplate>
<sdk:DataGridTemplateColumn.CellTemplate>
<DataTemplate>
<TextBlock Text="{Binding Height}" Foreground="{Binding Path=Height, Converter={StaticResource ContactListViewModel}, ConverterParameter=GetHeightColor}"></TextBlock>
</DataTemplate>
</sdk:DataGridTemplateColumn.CellTemplate>
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You'd probably find it simpler to create a distinct class for your converter, import the namespace and declare a static resource - your binding expression then simply becomes:
Foreground="{Binding Path=Age, Converter={StaticResource AgeToBrushConverter}}"
C# has already designed away most of the tedium of C++.
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Is it possible to create a Windows Explorer like application in Silverlight?
I want my application to show the drive information, files & folders inside the drive.
Is it possible? If so, how? Please share me some good links. Thanks in advance.
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MichaelGaudioso wrote: Is it possible to create a Windows Explorer like application in Silverlight?
Yes, it is possible. But it needs to be a Silverlight OOB Application.
MichaelGaudioso wrote: I want my application to show the drive information, files & folders inside the drive.
Is it possible?
Again yes, it is possible. I already have an article on the same.
Read it @ CodeProject: File Explorer using Silverlight 4 COM Interoperability[^]
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Yes but only in Silverlight 3 and above.
The funniest thing about this particular signature is that by the time you realise it doesn't say anything it's too late to stop reading it.
My latest tip/trick
Visit the Hindi forum here.
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How to implement a crystal report in a WPF application
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Is there even a viewer for CR in SL. As reporting services has not even a viewer < $500 I'd be surprised if CR has one out yet.
I'm looking at calling out to an asp page in the web project with the RS asp viewer.
Never underestimate the power of human stupidity
RAH
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Check this[^] out.
The funniest thing about this particular signature is that by the time you realise it doesn't say anything it's too late to stop reading it.
My latest tip/trick
Visit the Hindi forum here.
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Hi,
I've just created a trivial xaml window that databinds a textbox to a property:
<Window x:Class="WpfTests.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="MainWindow" Height="350" Width="525"
x:Name="root">
<StackPanel>
<DockPanel>
<Button DockPanel.Dock="Right" Height="23" Click="buttonTest_Click">Browse...</Button>
<TextBox DockPanel.Dock="Left"
Height="23" Margin="0,0,2,0" Name="textBoxFileName"
Text="{Binding ElementName=root, Mode=TwoWay, Path=FileName}"/>
</DockPanel>
<DockPanel>
<TextBlock DockPanel.Dock="Bottom" Text="{Binding ElementName=root, Mode=TwoWay, Path=FileName}"></TextBlock>
<Button DockPanel.Dock="Bottom" Name="buttonToggle" Click="buttonToggle_Click">Toggle...</Button>
</DockPanel>
</StackPanel>
</Window>
And the (trivial) code behind:
namespace WpfTests
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
public static readonly DependencyProperty FileNameProperty = DependencyProperty.Register("FileName", typeof(string), typeof(MainWindow));
public string FileName
{
get { return (string)GetValue(FileNameProperty); }
set { SetValue(FileNameProperty, value); }
}
private void buttonTest_Click(object sender, RoutedEventArgs e)
{
Microsoft.Win32.OpenFileDialog d = new Microsoft.Win32.OpenFileDialog();
if (d.ShowDialog() == true)
this.FileName = d.FileName;
}
private void buttonToggle_Click(object sender, RoutedEventArgs e)
{
this.FileName = "Toggle clicked.";
}
}
}
I have a couple of questions (that require simple 'assume-I-know-nothing' answers):
To date, this is the only trivial example I've found of binding the value of a control to a class property. Am I doing this the correct way, or is this something fundamental to databinding that I'm missing?
If, in VS2010, I go to the xaml view, select the 'Text' property of 'textBoxFileName' and 'Apply Data Binding', it auto-navigates itself to 'FileName' (that I set), but then hovering over the value 'FileName' the tooltip says 'Path item FileName cannot be resolved': should I be concerned, or is this just the xaml editor knowing nothing about the code behind? Or is there an error or flaw in the code or design?
Thanks in advance,
Barry.
Regards,
Barry
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Hi Barry,
This is by design. Designer never look for the code behind of your current class. If you want provide designer support, move all your property declaration from your current class to another class and inherit to your current class.
For example, create extended window with your property like below mentioned.
<br />
public class ExtendedWindow : Window<br />
{<br />
public static readonly DependencyProperty FileNameProperty = DependencyProperty.Register("FileName", typeof(string), typeof(ExtendedWindow));<br />
public string FileName<br />
{<br />
get<br />
{<br />
return (string)GetValue(FileNameProperty);<br />
}<br />
set<br />
{<br />
SetValue(FileNameProperty, value);<br />
}<br />
} <br />
}<br />
<br />
Now inherit this extended class to your MyWindow class
<br />
public partial class MainWindow : ExtendedWindow<br />
{<br />
public MainWindow()<br />
{<br />
InitializeComponent();<br />
}<br />
<br />
<br />
private void buttonTest_Click(object sender, RoutedEventArgs e) <br />
{ <br />
Microsoft.Win32.OpenFileDialog d = new Microsoft.Win32.OpenFileDialog();<br />
if (d.ShowDialog() == true) <br />
this.FileName = d.FileName;<br />
} <br />
private void buttonToggle_Click(object sender, RoutedEventArgs e) <br />
{ <br />
this.FileName = "Toggle clicked."; <br />
}<br />
}<br />
Xaml
<local:ExtendedWindow x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:local="clr-namespace:WpfApplication1"
Title="MainWindow" Height="350" Width="525"
x:Name="root">
<StackPanel>
<DockPanel>
<Button DockPanel.Dock="Right" Height="23" Click="buttonTest_Click">Browse...</Button>
<TextBox DockPanel.Dock="Left"
Height="23" Margin="0,0,2,0" Name="textBoxFileName" Text="{Binding ElementName=root, Mode=TwoWay, Path=FileName}"/>
</DockPanel>
<DockPanel>
<TextBlock DockPanel.Dock="Bottom" Text="{Binding ElementName=root, Mode=TwoWay, Path=FileName}"></TextBlock>
<Button DockPanel.Dock="Bottom" Name="buttonToggle" Click="buttonToggle_Click">Toggle...</Button>
</DockPanel>
</StackPanel>
</local:ExtendedWindow>
Now property editor will identify FileName property without any issue.
MVVM devotee 
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