binding

How do I install libXSLT for Perl's XML::LibXSLT?

When I run a Perl script I get Can't locate XML/LibXSLT.pm in @INC So I try doing this in cpan: cpan> install XML::LibXSLT CPAN: Storable loaded ok Going to read /root/.cpan/Metadata Database was generated on Fri, 02 Oct 2009 13:28:24 GMT Running install for module XML::LibXSLT Running make for P/PA/PAJAS/XML-LibXSLT-1.68.ta...

Binding problem which drives me crazy

Hello, I (and other programmers from another forum) have been trying to solve a binding problem for a few days. No one could help... Will anyone here be able to help me ? Apparently, the problem seems quite simple but when you dive in it, trust me, you burn some neurons... Here it is : I've created a test project which reproduces the pro...

How to bind GradientStop Colours or GradientStops Property in Silverlight?

I want to be able to have a dynamic Gradient in Silverlight, such as below: <RadialGradientBrush GradientOrigin="0.20,0.5" Center="0.25,0.50" RadiusX="0.75" RadiusY="0.5"> <GradientStop Color="{Binding Path=GradientStart}" Offset="0" /> <GradientStop Color="{Binding Path=GradientEnd}" Offset="1" /> </RadialGrad...

[WPF] Binding UpdateSourceTrigger=Explicit, updates source at program startup

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, ...

What's a good library to do computational geometry (like CGAL) in a garbage-collected language?

I need a library to handle computational geometry in a project, especially boolean operations, but just about every feature is useful. The best library I can find for this is CGAL, but this is the sort of project I would hesitate to make without garbage collection. What language/library pairs can you recommend? So far my best bet is i...

Wpf binding to class with unknown properties count

I have class Products with unknown numbers of properties such as "Name", "Price" and so on. I retreive them only when parsing some txt file. How should I: write a Product class to emplement dynimicly adding Properies Bind this collection of Products with unknonwn numbers of properties to ListView in XAML (or should I build in code be...

Let vs. Binding in Clojure

I understand that they're different since one works for setting *compile-path* and one doesn't. However, I need help with why they're different. let creates a new scope with the given bindings, but binding...? Thanks! ...

WPF binding Dictionary<string, List<string> to listView, ListBox how?

how to bind Dictionary to ListView and Text box? namespace Models { public class DynamicList { #region Constructor public DynamicList() { _propDict = new Dictionary<string, object>(); dynimicListProps = new List<DynimicListProperty>(); } #endregion Constructor #region Fields private Dic...

Two-Way-Binding Possible In ASP.NET MVC?

Let's say I have a product object (pretty much empty) and I bind it to a Product view. Then I click update in the view. In my CustomModelBinder my bindingContext.Model is always null on the update request. Is there a recommended way of me retrieving the prior model at this point or do I always have to recreate it? ...

Access TextBlock binding path programatically

This is a follow-up question to my previous one about replacing GridView contents programmatically. I have a GridView displaying a DataSet. All of my columns are bound in my xaml with DisplayMemberBinding: <GridViewColumn DisplayMemberBinding="{Binding Path=FirstName}" Header="First Name" ...

WPF - Filtering/Searching multiple collection views within a treeview

I have a treeview that is bound to a collection and each item in the collection is bound to another collection. (using hierachle data templates) I would like to use the collection view .Filter event handler to search the tree. The problem is that I need multiple collection views. What would be the best way to filter the tree view items...

WPF DataGrid - Problem Customizing a ComboBox.

I have a Datagrid with a combo box bound column that works great as follows: <tk:DataGridComboBoxColumn SelectedValueBinding="{Binding DefaultLocationID}" SelectedValuePath="LocationID" DisplayMemberPath="LocationName" Header="Default Location" ItemsSource="{Binding Source=...

Silverlight UserControl Custom Property Binding

What is the proper way to implement Custom Properties in Silverlight UserControls? Every "Page" in Silverlight is technically a UserControl (they are derived from the UserControl class). When I say UserControl here, I mean a Custom UserControl that will be used inside many different pages in many different scenarios (similar to an ASP....

asp.net mvc binding string to ienumerable<int>

Hi all, just wondering if there is something built into asp.net mvc where I can override how a specific member is bound. For example, imagine I have a form: <form ...> <input type="text" name="Things" /> ... </form> And I have the controller action that handles the postback: public ActionResult MyPostbackAction(IEnumerable<int> ...

ASP.NET binding to a UserControl property

This should be really easy but I can't figure out how to make it work... I have an ASP.NET UserControl (.ascx) with the following property: public string LabelCssClass { get { return _labelCssClass; } set { _labelCssClass = value; } } I want to bind that property into the HTML of the UserContro...

Binding to a WPF ToggleButton's IsChecked state

I would like to use a WPF ToggleButton to expand and collapse some controls in my application. How can I use XAML to accomplish this? I'm thinking that I could somehow bind the Visibility attribute of some controls to the ToggleButton's IsChecked state, but I do not know how to do this. Maybe I need to give my ToggleButton a Name, then...

Advanced combobox binding from code

Suppose I have a business object 'obj1' that has property 'P'. Let's also assume that I have a list of business objects: 'List<BussObj> list' and each BussObj object contains 2 properties: 'A' and 'B'. This list is bound to combobox: combobox.ItemsSource = list;. I would like to specify binding (in C# code) that would bind combobox.Se...

C# - DataSets and Data Binding in multiple Forms

Hi, I have the following scenario: A database A DataSet that is filled by the database Two Forms: The first Form contains a ComboBox that shows a certain set of categories. The ComboBox is binded to a DataTable "categories" in the DataSet. The second Form is supposed to be a category manager where you can add, edit and delete categor...

Binding Dictionary<,>.Keys.Count to a Label

Hi folks, I have a Dictionary and want to display the number of items in this dictionary with a Label, without updating the label manually each time I add or remove an item from the dictionary. I tried it with the Binding class: Binding bindingNodeCount = new Binding("Text", _graphDisplay.data.nodes.Keys, "Count"); labelNumberOfNodes....

How do I fix this? TwoWay databinding not working.

I'm trying to wire up a slider and textbox such that the textbox controls the slider position and the slider position is reflected in the textbox. This is a basic two-way element-to-element binding. What I have - The slider position displays in the text box. Adjusting the slider is reflected by an updated value in the textbox. This work...