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• Trouble binding command in grid menu item.

  - by Pete

  I have a grid that's inside a usercontrol derived class called MediatedUserControl. I'm adding a context menu to let the user delete an item, but I've been unable to figure out how to bind the command to my command property. I'm using MVVM and my viewmodel implements a public ICommand property called DeleteSelectedItemCommand. However, when the view is displayed, I get the following message in the output window: System.Windows.Data Error: 4 : Cannot find source for binding with reference 'RelativeSource FindAncestor, AncestorType='BRO.View.MediatedUserControl', AncestorLevel='1''. BindingExpression:Path=DataContext.DeleteSelectedItemCommand; DataItem=null; target element is 'BarButtonItem' (HashCode=6860584); target property is 'Command' (type 'ICommand') I feel like I generally have a good handle on bindings like this and can't figure out what it is I'm missing here. Thanks for any help you can provide. <dxg:GridControl HorizontalAlignment="Left" Margin="12,88,0,0" x:Name="gridControl1" VerticalAlignment="Top" Height="500" Width="517" DataSource="{Binding ItemList}" BorderBrush="{StaticResource {x:Static SystemColors.ActiveBorderBrushKey}}" ShowBorder="True" Background="{StaticResource {x:Static SystemColors.ControlLightBrushKey}}" UseLayoutRounding="False" DataContext="{Binding}"> <dxg:GridControl.Columns> <dxg:GridColumn FieldName="Code" Header="Code" Width="107" /> <dxg:GridColumn FieldName="Name" Header="Item" Width="173" /> <dxg:GridColumn FieldName="PricePerItem" Header="Unit Price" Width="70"> <dxg:GridColumn.EditSettings> <dxe:TextEditSettings DisplayFormat="N2" /> </dxg:GridColumn.EditSettings> </dxg:GridColumn> <dxg:GridColumn FieldName="Quantity" Header="Qty" Width="50" AllowEditing="True" /> <dxg:GridColumn FieldName="TotalPrice" Header="Total Price" Width="90"> <dxg:GridColumn.EditSettings> <dxe:TextEditSettings DisplayFormat="N2" /> </dxg:GridColumn.EditSettings> </dxg:GridColumn> </dxg:GridControl.Columns> <dxg:GridControl.View> <dxg:TableView ShowIndicator="False" ShowGroupPanel="False" MultiSelectMode="Row" AllowColumnFiltering="False" AllowBestFit="False" AllowFilterEditor="False" AllowEditing="False" AllowGrouping="False" AllowSorting="False" AllowResizing="False" AllowMoving="False" AllowMoveColumnToDropArea="False" AllowDateTimeGroupIntervalMenu="False" > <dxg:TableView.RowCellMenuCustomizations> <dxb:BarButtonItem Name="deleteRowItem" Command="{Binding RelativeSource={RelativeSource FindAncestor, AncestorType=view:MediatedUserControl, AncestorLevel=1}, Path=DataContext.DeleteSelectedItemCommand}"> </dxb:BarButtonItem> </dxg:TableView.RowCellMenuCustomizations> </dxg:TableView> </dxg:GridControl.View>

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• Value is out of Range Exception While setting ResourceDictionary Source to CustomControl's generic.X

  - by Subhen

  Hi, I have a custom Control which contains the generic.xaml inside the Themes folder. I have set the build action to Resource. Now from App.xaml I am setting the reference to the DLL by using : xmlns:localFolder="clr-namespace:customControl;assembly=customControl" After the reference is set I am trying to Merge the Resource dictionary in my App.xaml as follow: <Application.Resources> <ResourceDictionary> <ResourceDictionary.MergedDictionaries> <ResourceDictionary Source="localFolder;component/Themes/generic.xaml"/> </ResourceDictionary.MergedDictionaries> </ResourceDictionary> </Application.Resources> But while running my application I am getting the following XAMLParseException: Attribute localFolder;component/Themes/generic.xaml value is out of range. [Line: 16 Position: 44]

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• Modify a ListBox's item from a button in it's template?

  - by Maciek

  In my Silv erlight 3 project, I'm using a ListBox to display results of a Get() operation form a WCF WebService. The ListBox's item template is the following : <ListBox x:Name="m_listview" ItemsSource="{Binding Users, Mode=TwoWay, UpdateSourceTrigger=Default}" Foreground="{StaticResource EnergyBlue}" Background="{StaticResource EnergyBackground}" HorizontalContentAlignment="Stretch" VerticalContentAlignment="Center" Grid.ColumnSpan="3" Margin="0,0,0,2" IsSynchronizedWithCurrentItem="False"> <ListBox.ItemTemplate> <DataTemplate> <Grid MinWidth="536" MinHeight="10" d:DesignWidth="19.875" d:DesignHeight="20.75"> <Grid.ColumnDefinitions> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> <ColumnDefinition Width="0.2*"/> </Grid.ColumnDefinitions> <TextBox Text="{Binding Path=UserName, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="0" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <PasswordBox Password="{Binding Path=UserPass, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="1" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <TextBox Text="{Binding Path=UserTypeId, Mode=TwoWay, UpdateSourceTrigger=Default}" Grid.Column="2" Foreground="{StaticResource EnergyWhite}" Margin="2" Background="{StaticResource EnergyBackground}" BorderBrush="{StaticResource EnergyBlue}" SelectionBackground="{StaticResource EnergyBlue}" SelectionForeground="{StaticResource EnergyWhite}" MinWidth="100"/> <Button Style="{StaticResource EnergyGlassButton}" Grid.Column="3" MinWidth="10" MinHeight="10" Content="Update" Click="OnUpdateUser"/> <Button Style="{StaticResource EnergyGlassButton}" Grid.Column="4" MinWidth="10" MinHeight="10" Content="Remove" Click="OnRemoveUser"/> </Grid> </DataTemplate> </ListBox.ItemTemplate> </ListBox> The template contains 2 buttons. When I click either of them, I'd like to obtain a reference to the exact data-item under the listboxitem. How do I do that? I've tried : User target_user = m_listview.SelectedItem as User; but it turned out that the listview item wasn't selected. Can it be done without actually selecting the listview item? For instance, just click on the "remove" button and have the row disappear? Best regards

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• Global event handler

  - by plotnick

  How can I define one global GridViewColumnHeader.Click handler for any ListView.GridViewColumnHeader in my project?

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• How can I define how many spaces a TAB jumps in a XAML TextBox?

  - by Edward Tanguay

  When the user presses a tab in this textbox, the cursor jumps an equivalent of 8 spaces. How can I change it so it jumps only 4 or 2? <TextBox Width="200" Height="200" Margin="0 0 10 0" AcceptsReturn="True" AcceptsTab="True" Text="{Binding OutlineText}"/>

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• MVVM- How can I bind to a property, which is not a DependancyProperty?

  - by highone

  I have found this question http://stackoverflow.com/questions/2245928/mvvm-and-the-textboxs-selectedtext-property. However, I am having trouble getting the solution given to work. This is my non-working code: View: SelectedText and Text are just string properties from my ViewModel. <TextBox Text="{Binding Path=Text, UpdateSourceTrigger=PropertyChanged}" Height="155" HorizontalAlignment="Left" Margin="68,31,0,0" Name="textBox1" VerticalAlignment="Top" Width="264" AcceptsReturn="True" AcceptsTab="True" local:TextBoxHelper.SelectedText="{Binding SelectedText, UpdateSourceTrigger=PropertyChanged}" /> <TextBox Text="{Binding SelectedText, Mode=OneWay, UpdateSourceTrigger=PropertyChanged}" Height="154" HorizontalAlignment="Left" Margin="82,287,0,0" Name="textBox2" VerticalAlignment="Top" Width="239" /> TextBoxHelper public static class TextBoxHelper { #region "Selected Text" public static string GetSelectedText(DependencyObject obj) { return (string)obj.GetValue(SelectedTextProperty); } public static void SetSelectedText(DependencyObject obj, string value) { obj.SetValue(SelectedTextProperty, value); } // Using a DependencyProperty as the backing store for SelectedText. This enables animation, styling, binding, etc... public static readonly DependencyProperty SelectedTextProperty = DependencyProperty.RegisterAttached( "SelectedText", typeof(string), typeof(TextBoxHelper), new FrameworkPropertyMetadata(null, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, SelectedTextChanged)); private static void SelectedTextChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e) { TextBox tb = obj as TextBox; if (tb != null) { if (e.OldValue == null && e.NewValue != null) { tb.SelectionChanged += tb_SelectionChanged; } else if (e.OldValue != null && e.NewValue == null) { tb.SelectionChanged -= tb_SelectionChanged; } string newValue = e.NewValue as string; if (newValue != null && newValue != tb.SelectedText) { tb.SelectedText = newValue as string; } } } static void tb_SelectionChanged(object sender, RoutedEventArgs e) { TextBox tb = sender as TextBox; if (tb != null) { SetSelectedText(tb, tb.SelectedText); } } #endregion } What am I doing wrong?

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• MVVM Light Messenger Class

  - by Veer

  Can anybody provide samples/links/simple-illustrations/videos/demos on how to use the messenger class in MVVM Light?

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• ViewModel updates after Model server roundtrip

  - by Pavel Savara

  I have stateless services and anemic domain objects on server side. Model between server and client is POCO DTO. The client should become MVVM. The model could be graph of about 100 instances of 20 different classes. The client editor contains diverse tab-pages all of them live-connected to model/viewmodel. My problem is how to propagate changes after server round-trip nice way. It's quite easy to propagate changes from ViewModel to DTO. For way back it would be possible to throw away old DTO and replace it whole with new one, but it will cause lot of redrawing for lists/DataTemplates. I could gather the server side changes and transmit them to client side. But the names of fields changed would be domain/DTO specific, not ViewModel specific. And the mapping seems nontrivial to me. If I should do it imperative way after round-trip, it would break SOC/modularity of viewModels. I'm thinking about some kind of mapping rule engine, something like automappper or emit mapper. But it solves just very plain use-cases. I don't see how it would map/propagate/convert adding items to list or removal. How to identify instances in collections so it could merge values to existing instances. As well it should propagate validation/error info. Maybe I should implement INotifyPropertyChanged on DTO and try to replay server side events on it ? And then bind ViewModel to it ? Would binding solve the problems with collection merges nice way ? Is EventAgregator from PRISM useful for that ? Is there any event record-replay component ? Is there better client side pattern for architecture with server side logic ?

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• Why is button background defaulting to grey when IsPressed is true

  - by Dave Colwell

  Hey all, I have a simple problem. Using the IsPressed trigger i want to be able to set the background color of a button to something other than the default grey. Here is what the button looks like when it is not pressed and here is what it looks like when it is clicked Here is the trigger for the button. I know the trigger is firing correctly because of the glow effect around the edge of the button when it is clicked. I also know that the brush is correct because i tried it out as a background brush to see what it looked like. <Style.Triggers> <Trigger Property="IsMouseOver" Value="True"> <Setter Property="Background" Value="{DynamicResource ButtonHoverBrush}"/> <Setter Property="BitmapEffect" Value="{DynamicResource ButtonHoverGlow}"/> </Trigger> <!-- This is the trigger which is working but the background color wont change --> <Trigger Property="IsPressed" Value="True"> <Setter Property="BitmapEffect" Value="{DynamicResource ButtonHoverGlow}"/> <Setter Property="Background" Value="{DynamicResource ButtonPressedBrush}" /> </Trigger> </Style.Triggers>

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• jQuery menu bar stops working after I add a mootools slideshow to the page

  - by Shantanu Gupta

  I am working on a site http://tapasya.co.in where i just impemented mootools slideshow. But I noticed that menubar that i was using stopped working, it was supposed to drop horizontaly but it is not being displayed now. I have used jquery for it. Please see the source of the web page. What can be the problem ? Mootools conflicting with javascript or some other problem

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• ContentTemplateSelector is only called one time showing always the same datatemplate

  - by msfanboy

  Hello, I have made a sample demo VS 2010 RC sample project, because in my production project I have the same error using MVVM. In my sample demo project I use only Code-behind without 3rd party dependencies so you can download the demo project here and run it for yourself: http://www.sendspace.com/file/mwx7wv Now to the problem: When I click the girls/boys button it should switch the datatemplate, not? What do I wrong?

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• How are DynamicResources built and their use in contextmenus.

  - by miguel

  Are dynamic resources truly dynamic? If I define a DynamicResource, I realise that an expression is created (where?) that is not translated into a resource until runtime, however, What I do not understans is whether this dynamicresouce, once built, is now "Static" For instance, if I create a context menu via a dynamicresource, are the menuitems which are created at runtime on access then static, even if they are bound? If so, how can i create a dynamic context menu in XAML?

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• Silverlight - How do I make each item in a list box be the same height?

  - by NotDan

  How can I make a silverlight listbox have all items be the same size and have them take up 100% of the listbox height. I.e. 1 item would be the height of the listbox, 2 items would each be 50% of the height of the list box, etc... Edit - Here is the code public class UniformPanel : Panel { protected override Size MeasureOverride(Size availableSize) { Size panelDesiredSize = new Size(); for (int i = 0; i < Children.Count; i++) { UIElement child = Children[i]; child.Measure(availableSize); var childDesiredSize = child.DesiredSize; panelDesiredSize.Height += childDesiredSize.Height; if (panelDesiredSize.Width < childDesiredSize.Width) { panelDesiredSize.Width = childDesiredSize.Width; } } return panelDesiredSize; } protected override Size ArrangeOverride(Size finalSize) { double height = finalSize.Height/Children.Count; for (int i = 0; i < Children.Count; i++) { UIElement child = Children[i]; Size size = new Size(finalSize.Width, height); child.Arrange(new Rect(new Point(0, i * height), size)); } return finalSize; // Returns the final Arranged size } }

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• Why use MVVM???

  - by LnDCobra

  Okay, I have been looking into MVVM pattern, and each time I have previously tried looking into it, I gave up for a number of reasons: Unnecessary Extra Long Winded Coding No apparent advantages for coders (no designers in my office. Currently only myself soon to be another coder) Not a lot of resources/documentation of good practices! (Or at least hard to find) Cannot think of a single scenario where this is advantageous. I'm about to give up on it yet again, and thought I'd ask to see if someone answer the reasons above. I honestly can't see an advantage of using this for a single/partner coding. Even in complex projects with 10's of windows. To me the DataSet is a good enough view and binding like in the answer by Brent following question

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• What's the danger in not specifying widths for a floated element?

  - by Crashalot

  My understanding is floated elements must have their widths specified, or else unpredictable rendering may ensure. Is this true/false? Is it acceptable to float elements like DIVs and not specify widths?

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• Vertical Align Issue

  - by Nasser Hajloo

  I have following styles which work greate but Vertical-Align:middle or bottom doesn't work in it. every thing inside goes top ofthe div .Progress { display: inline-block; z-index: 1000; width:auto; height: auto; background-color: #A9C646; vertical-align: bottom; text-align: center; text-align: -moz-center; !text-align: center; position: absolute; opacity: 0.4; filter: alpha(opacity = 40); }

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• javascript and css working on firefox but not working on IE

  - by Nirbhay saini

  Hi I have this code which working on fitrefox but not working on IE missing last charector on IE <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>wrapped</title> <script type="text/javascript" language="javascript"> function set_padd(){ var tt = document.getElementById("span_padding").innerHTML; var txt = new Array(); txt = tt.split(" "); var atxt = ''; var f_txt = ''; var wrd_pr_linr = 4; var cnt = 1; for(var i = 0; i < txt.length; i++){ if(txt[i].length > 0){ txt[i] = txt[i].replace(' ',''); if(cnt < wrd_pr_linr){ if(txt[i].length > 0){ atxt += ' '+txt[i].replace(' ',''); cnt++; } }else{ f_txt += '<a class="padd_txt" >'+atxt+'</a><br />'; atxt = ''; cnt = 1; } } } document.getElementById("span_padding").innerHTML = f_txt; } </script> <style type="text/css"> .padd_txt{padding:7px;background:#009;color:#FFF;line-height:26px;font-size:14px;} body{font-family:'Trebuchet MS', Arial, Helvetica, sans-serif; font-size:24px; line-height:1.2em;} span{background-color: #009; width:200px; color: #FFF;" class="blocktext;} </style> </head> <body onload="set_padd();"> <div style="width: 350px;"> <p> <span id="span_padding"> This is what I want to happen where one long string is wrapped and the text has this highlight color behind it. </span> </div> </body> </html> out put on firefox is This is I want to happen where one string is wrapped and the text this highlight behind it. and output on IE This is what want to happen one long string wrapped and the has this highlight missing last two word

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• CSS Related: Trying to position a div styled to look like a bar on a wepage

  - by Calibre2010

  I'm trying to position a div tag on my page absolutely so no matter if you resize the page or not the div does not move position. . I've used absolute positioning in both the div tag and in some JQuery .css({position:absolute}), It still moves when i resize the screen. quite annoying.

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• Finding the TextBlock that is part of the default control template ComboBox generated through code.

  - by uriya

  I'm trying to find the TextBlock that is inside the control template of a comboBox. using VisualTreeHelpar.GetChildrenCount is working only if the comboBox is declared in XAML.In that case GetChildrenCount returns 1 and a recursive search is possible. However, if I declare the combo as a member of the Window class using code, allocated and setting it to its place, the function GetChildrenCount return 0. When I run snoop in this scenario It shows the combo children hierarchy. I want to be able to search the comboBox just as snoop does. Any help would be appreciated. code: ComboBox mCombo = null; private void Windows_Loaded(object sender, RoutedEventArgs e) { mCombo = new ComboBox; mGrid.Children.Add(mCombo); Grid.SetRow(mCombo,0); int count = VisualTreeHelpar.GetChildrenCount(mCombo); }

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• Partials in Liquid

  - by kostia

  Hello, We're trying to rewrite our current views from ERb to Liquid and we got following problem: we have a lot of render(:partial => '/path/to/partial') in our code, but we found absolutely no instructions how to render partials in Liquid. The only one solution we found was with help of render_to_string but it's just to ugly to be true. Thanx!

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• Binding UpdateSourceTrigger=Explicit, updates source at program startup

  - by GTD

  I have following code: <Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="Window1" Height="300" Width="300"> <Grid> <TextBox Text="{Binding Path=Name, Mode=OneWayToSource, UpdateSourceTrigger=Explicit, FallbackValue=default text}" KeyUp="TextBox_KeyUp" x:Name="textBox1"/> </Grid> public partial class Window1 : Window { public Window1() { InitializeComponent(); } private void TextBox_KeyUp(object sender, KeyEventArgs e) { if (e.Key == Key.Enter) { BindingExpression exp = this.textBox1.GetBindingExpression(TextBox.TextProperty); exp.UpdateSource(); } } } public class ViewModel { public string Name { set { Debug.WriteLine("setting name: " + value); } } } public partial class App : Application { protected override void OnStartup(StartupEventArgs e) { base.OnStartup(e); Window1 window = new Window1(); window.DataContext = new ViewModel(); window.Show(); } } I want to update source only when "Enter" key is pressed in textbox. This works fine. However binding updates source at program startup. How can I avoid this? Am I missing something?

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• Changing label content programmatically from within a DataTemplate used in a DataGrid column header

  - by iimpact

  I'm dynamically creating DataGrid columns (based on an event from my ViewModel) and programmatically adding them to an existing DataGrid. Each column uses a generic HeaderTemplate by setting it to a DataTemplate that has been identified in the xaml. The DataTemplate contains two labels in which needs their content needs to be changed upon creation of the DataGrid column. How would this be done? I understand that the DataTemplate uses the ContentPresenter but I am having trouble accessing it within a dynamically created DataGrid column. Code is as follows: xaml: (template used to format the DataGrid column header): <DataTemplate x:Key="columnTemplate"> <StackPanel> <Label Padding="0" Name="labelA"/> <Separator HorizontalAlignment="Stretch"/> <Label Padding="0" Name="labelB"/> </StackPanel> </DataTemplate> c#: (used to dynamically create a DataGrid column and add it to an existing DataGrid) var dataTemplate = FindResource("columnTemplate") as DataTemplate; var column = new DataGridTextColumn(); column.HeaderTemplate = dataTemplate; DataGrid1.Columns.Add(column); I would like to then access both labelA and labelB and change the content.

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• Grouping in datagrid - rows not getting displayed

  - by Archie

  Hello, I have to group the data int the datagrid. I have done following for that: Have added the style to resources as: > <Style x:Key="GroupHeaderStyle" > TargetType="{x:Type GroupItem}"> > <Setter Property="Template"> > <Setter.Value> > <ControlTemplate TargetType="{x:Type GroupItem}"> > <Expander IsExpanded="False" > > > <Expander.Header> > <TextBlock Text="{Binding Name}"/> > </Expander.Header> > <ItemsPresenter /> > </Expander> > </ControlTemplate> > </Setter.Value> > </Setter> > </Style> I have applied the style as: <dg:DataGrid Grid.Row="1" Name="dgAuthor" HorizontalScrollBarVisibility="Hidden" AutoGenerateColumns="False" RowHeaderWidth="17" RowHeight="25"> <dg:DataGrid.GroupStyle> <GroupStyle ContainerStyle="{StaticResource GroupHeaderStyle}"> <GroupStyle.Panel> <ItemsPanelTemplate> <dg:DataGridRowsPresenter/> </ItemsPanelTemplate> </GroupStyle.Panel> </GroupStyle> </dg:DataGrid.GroupStyle> </dg:DataGrid> I have infoList as a ObservableCollection and have assigned it as itemssource as follows: ListCollectionView lcv = new ListCollectionView(infoList); lcv.GroupDescriptions.Add(new PropertyGroupDescription("Author")); dgAuthor.ItemsSource = lcv; where Info is class which has Author,Book,Year properties. I have to group the datagrid on Author property. I am able to display the explander but cannot see any rows in it. Can anybody tell me whats wrong with the code?

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• MVVM- How would I go about propagating settings between my main view-model (and other view-models) a

  - by Justin

  I am building a settings dialog for my application and right now all of the settings correspond with settings on the main view-model, but as I add more view's and view-models some may not. I need to know what the best practice is for loading the current settings into the settings dialog and then saving the settings to thier corresponding view-models if the user clicks okay. I will not be using the Properties.Settings.Default system to store settings since I want my application to be as portable as possible and this would store user scoped settings in the directory: C:\Users\ username \Local Settings\Application Data\ ApplicationName Instead of in my application's directory. In case it makes any difference I am using the MVVM Light Toolkit by Laurent Bugnion.

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• Best practice: How to use (repeat) CSS style attributes correctly?

  - by ellie

  Hi guys! As a CSS newbie I'm wondering if it's recommended by professionals to repeat specific style attributes and their not inherited but default properties for every relevant selector? For example, should I rather use body {background:transparent none no-repeat; border:0 none transparent; margin:0; padding:0;} img {background:transparent none no-repeat; border:0 none transparent; margin:0; outline:transparent none 0; padding:0;} div#someID {background:transparent none no-repeat; border:0 none; margin:0 auto; padding:0; text-align:left; width:720px; ...} or body {background:transparent; border:0; margin:0; padding:0;} img {background:transparent; border:0; margin:0; outline:0; padding:0;} div#someID {background:transparent; border:0; margin:0 auto; padding:0; text-align:left; width:720px; ...} or just what (I think) I really need body {background:transparent; margin:0; padding:0;} img {border:0; outline:0;} div#someID {margin:0 auto; width:720px; ...} If it's best practice to go with the first or second one what do you think about defining a class like .foo {background:transparent; border:0; margin:0; padding:0;} and then applying it to every relevant selector: <div id="someID" class="foo">...</div> Yep, now I'm totally confused... so please advise! Thanks!

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