Here's how I want the control to work. Click edit on a row in gridview. There's a textbox in one of the columns, I would like it to be blank even though there's data in the database for that column, but when I click update I would like whatever new text the user entered to update the database for that column. It would be one-way databind...
I would like to databind my TreeView from a data structure. After googling some, I came to a conclusion that writing my own simple Tree structure using List of Nodes would be the thing to do. However, I would like to know whether I am on the right path and not overdoing it - from what I know there is no Tree structure in c#. What are ...
After using a global Linq to Sql DataContext and having unwanted inserts, I decided to use a detached methodology. I did this through a methods class that serves as a abstraction layer from my buisness objects to my DAL. There is one DataContext per each CRUD call so I can call something like this. using (DatabaseMethods<TEntity> db = ...
OK, I am having quite an issue with data bindings in .NET. Some background information, my business object tier is using CSLA v1.0. And _clientObj is passed in as a parameter as a business object that inherits CSLA.BusinessBase Here is the code segment: Dim nextClient As New ComboBox With { _ .Name = "txtClientAtt" & (Clien...
Hi, I am new to WPF concepts. I want to just display a string in a textbox. I tried the following C# code and XAML to bind a string to a TextBox.Text property. C# code: public partial class Window1 : Window { public int TmpVal; public string TmpStr; public Window1() { TmpVal = 50; TmpStr = "Windows Cr...
Hi There, I am attempting to construct a formview that will edit two related objects at once. In basic terms, I have a Linq To SQL object of teacher which has exactly one school. The formview has no problem displaying the data, but when in edit mode will only save the changes done to the parent object. Changes to the school data are seem...
Simple binding from C#: Binding binding = new Binding(SourceName); binding.Mode = BindingMode.TwoWay; BindingExpressionBase beb = SetBinding(SourceDependencyProperty, binding); I would like to detect whether or not the SetBinding was successful. SetBinding obviously knows when it has an issue because it displays in the Output w...
I have the following XAML: <TreeView> <TreeViewItem ItemsSource={Binding} Header="TopMost" IsExpanded="True"> <TreeViewItem.ItemTemplate> <DataTemplate> <TreeViewItem> <TreeViewItem.Header> <TextBlock Text="{Binding SubTopic}"/> <TreeViewItem.Header> ...
i have more than 10,000 record .. and i want to bind my database which is in sql server 2005,with gridview in asp.net ... main purpose is .. without taking so much load ... it;s loading in gridview.. while i will run it.. ...
first way By using java script or second way By using Data sourse in asp.net sqldatasourse which is taking less stress while loading the data.. into webpage ...
How would one implement INotifyPropertyChanged for use in an F# type? Thanks! ...
I've got some code which sets up a datacontext. Often enough, the datacontext should be set to some underlying data collection, such as an ObservableCollection - but occasionally I'd like to set it to a collection that is itself a dependency property. This can be done in xaml, but doing so defeats the purpose, which is to share the UI ...
Is there an equivalent of .NET's data binding in Qt? I want to populate some combo boxes and other widgets with QStrings that refer to specific entities in my database. However, it would be cleaner if I could bind the data to these strings rather than either querying the database again based off of a new combobox selection or some other...
I have a WPF ComboBox (IsEditable = True) that is being populated with items based on the Text entered. I have a property that is bound to ItemsSource. This property is updated in a KeyUp event handler on the ComboBox. The issue I'm having is that when all the text is selected and a new key is pressed - replacing all the highlighted...
I want include the Type name of each object in my collection from my GridView. I have a collection which has four different types in it that all derive from a base class. Call them, Foo, Bar, Fizz, and Buzz. I want to have that column read, Foo, Bar, Fizz or Buzz, respectively. Below is the Binding I'm using, however, it doesn't work...
I have some object that is instantiated in code behind, for instance, the XAML is called window.xaml and within the window.xaml.cs protected Dictionary<string, myClass> myDictionary; How can I bind this object to, for example, a list view, using only XAML markups? Edit v2 (This is exactly I have in my test code): <Window x:Class=...
I have an ObjectDataSource set up as follows: <asp:ObjectDataSource ID="AccountDataSource" runat="server" OldValuesParameterFormatString="original_{0}" SelectMethod="GetAccountByAccountID" TypeName="AccountBLL" InsertMethod="RegisterAccount" UpdateMethod="UpdateAccount"> <SelectParameters> <asp:QueryStringParameter Name=...
Hello, I want to know if the following in XAML is possible: I have a FlowDocument used for printing. The FlowDocument is bound to a DataSource from which I get the current data. The data is a XML-Document which is also bound to an gui where the Data is inputted. The gui contains some comboboxes with a text-representation of the data-val...
I have a List of DataItem's. DataItem has a RowId, ColumnId and Value. These dataitems essentially describe the contents of a user definable "table". Now I need to bind this data to a datagrid in such a way that it represents the "table". i.e. the DataItem Value's should be displayed in a grid using their RowId and ColumnId. Any help...
I'm trying to set up a DataGridView to represent a page out of a map book. Each cell in the grid represents a MapGrid object. Users would use this to set the route for the MapGrids. public class MapGrid { public int ID { get; set; } public short PageNumber { get; set; } public char ColumnNumber { get; set; } public byt...