VB.NET 2008 .NET 3.5 Using WinForms. I have a class that is bound to a DataGridView through a BindingSource. This class contains a List as one of it's properties. The List contains another custom class. Both classes are part of an automated shipping program: Class OrderShipment Public Property OrderID as String Get ...
Is it possible to do data binding on the fields of an object just like in WPF? Something like this: <TextBlock Text="{Binding ElementName=lbColor}" /> just for an asp:TextBox element. What I want is that on submit to have the new values inside the binded object and I don't want to manually read and set the values. ...
This question is a follow on from this one... I am binding to a heterogeneous collection of objects, not all objects have the same set of properties. I am doing this in a datagrid. I would like to gray out the cell if the binding fails. Is there a way to apply a trigger if a binding fails? EDIT: The answer below was suitable for my pur...
in an answer to this question the following statement was made "In theory it might be possible to .... trigger on {x:Static DependencyProperty.UnsetValue}, which would be much cleaner, but this doesn't appear to work in practice." Has anybody had any luck in doing this? ...
I have the following tables: Company {CompanyID, CompanyName} Deal {CompanyID, Value} And I have a listbox: <ListBox Name="Deals" Height="100" Width="420" Margin="0,20,0,0" HorizontalAlignment="Left" VerticalAlignment="Top" Visibility="Visible" IsSynchronizedWithCurrentItem="True" ItemsSource="{Binding}" Sel...
As described in http://n4.nabble.com/Grails-Data-Binding-for-One-To-Many-Relationships-with-REST-tp1754571p1754571.html i'm trying to automatically bind my REST data. I understand now that for one-to-many associations the map that is required for the data binding must have a list of ids of the many side such as: [propName: propValue, m...
How do i create trigger, which fires BEFORE binding changes value? How to do this for datatemplate? <ContentControl Content="{Binding Path=ActiveView}" Margin="0,95,0,0"> <ContentControl.Triggers> <--some triger to fire, when ActiveView is changing or has changed ?!?!? --> </ContentControl.Triggers> public Object...
Hi, I am looking for a way of easily maintaining a list of Users belonging to a particular Group. I have thought about using a Picklist, where I have 2 listboxs, the first contains a list of Users the second a list of Users belonging to the Group. There will be buttons to allow the adding and removing of selected Users from the Group. As...
I am trying to bind a table in an SQL database to a DataGridView Control. I would like to make it so that when the user enters a new line of data in the DataGridView that a record is automatically added to the database. Here is my current attempt... BOMClassesDataContext DB = new BOMClassesDataContext(); Form_Load() { ...
Hello, all! I have a WPF view that displays a Shipment entity. I have a textblock that contains an asterisk which will alert a user that the record is changed but unsaved. I originally hoped to bind the visibility of this (with converter) to the Shipment.EntityState property. If value = EntityState.Modified Then Return Visibility...
sir, l want to display resultset in jframe.i get output last record in the database displayed. Lam intrested to place next button,back button in the frame.when i was click in the back button previosly viewed record is displayed and vice-versa.i don't know it will be possible.plz help me ...
I have created a test Winforms application in Visual Studio 2008 (SP1) to see just how "RAD" C# and .NET 3.5 can be. So far I have mixed emotions. Added a service-based database to my application (MyDB.mdf) and added two tables - Contact (id [identity], name [varchar] and number [varchar] columns) and Group (id [identity] and name [var...
I bind the ItemsSource of a ComboBox to an ObservableCollection<MyClass>. In code I change the collection (e.g. edit the MyClass.Name property). The problem: the change is not reflected in the dropdown box if the ComboBox, yet when I seled the item from the dropdown it is displayed correctly in the selected item box of the ComboBox. Wh...
I've got a situation in which I need to show an integer value, bound to a property on my data context, after putting it through two separate conversions: Reverse the value within a range (e.g. range is 1 to 100; value in datacontext is 90; user sees value of 10) convert the number to a string I realise I could do both steps by creati...
It seems like such an easy thing to do, but im stumped. I have a DAL & BLL. Within my BLL i have a the following function returning one video by its id Public Function GetTrainingVideoById(ByVal id As Integer) As TPSupportDataSet.TraningVideosDataTable Return Adapter.KB_TRAININGVIDEO_S_ID(id) End Function Now on my aspx page i ha...
I've read this very related question here on SO, and it was extremely helpful because of the link in the answer. I'm just having a problem now going the extra step and making it all work with the MVVM pattern. Let's say I have my ViewModel, and it (or even the Model) could have an enum defined: public enum MyTypes { Type1, Type2, Type...
I'm dealing with a large WPF application that is outputting a large number of binding errors. A typical error looks like this: System.Windows.Data Error: 4 : Cannot find source for binding with reference 'RelativeSource FindAncestor, AncestorType='System.Windows.Controls.ItemsControl', AncestorLevel='1''. BindingExpression:Path=Horizon...
I have a GridView bound to an DataSource query with parameters tied to form controls. What is the standard / best-practices way to handle optional query parameters? ...
I have the following XAML: <UserControl x:Class="EMS.Controls.Dictionary.TOCControl" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:vm="clr-namespace:EMS.Controls.Dictionary.Models" xmlns:diagnostics="clr-namespace:System.Diagnostics;assembly...
Hello, I'm trying to do databinding between 2 Dependency Properties. I guess this should be quite easy, anyways I just don't get it. I already googled but I couldn't really find out what I'm doing wrong. I'm trying to bind the ControlPointProperty to the QuadraticBezierSegment.Point1Property, however it doesn't work. Thanks for any hint...