bindingsource

Multiple BindingSource components necessary for just one data source?

As per my previous question, Make properties available for data binding through some kind of interface in .NET?, I managed, with the help of @Marc Gravell that by implementing the interface ICustomTypeDescriptor I can provide the form designer with custom properties that may or may not actually be visible on the component in question as ...

dynamically binding data to a combobox in datagridview

I have a datagridview which is bound to a databindingsource one of the column in this datagridview is a combobox the combobox is also bound to a different binding source now my requirement is that once an item from the the combobox is entered into a row that item should not be shown in the combobox later. for eg. i have doctor,engineer,...

Programmatically add row to entity data model context and have new row show up in databound datagridview

I have a datagridview that is bound to a bindingsource which is in turn bound to the an EDM object. I'm importing objects from a CSV file and wish to add these objects to the EDM context and have the new items show up in my datagridview. However, I do not want the new objects committed to the database until the user indicates the data ...

Datagridview with sorted EntitySet<T>? (.NET 3.5)

I'm hoping there's a simple answer to this one I've missed in hours of Googling... I have a DataGridView which needs to display and add/delete/edit records from a database. I'm using the Entity Framework, so records are initially EntitySet. Attempt One BindingSource has facilities for sorting, but oh... they don't seem to actually ...

C# how to apply filter to dataGridView with a dataMember declared on its bindingSource

Hi, I'm having some issue getting a row filter on my dataGridView because the DataMember of the dataGridView is itself a member of the larger bindingSource List object that I am using as a datasource. (thats a mouthful, sorry). Heres some pseudo for my structure.... class DataDisplayObject { public string Value { get; set; } p...

C# WinForms BindingList & DataGridView - disallowing EDIT prevents creation of a NEW row? How can I address this?

Hi, Regarding my use of a DataGridView with BindingList, I was to disable editing current rows, but allow adding new rows. The issue I have is that when I disallows edits, this seems to prevent one from adding a new row item, as when you table into the cell for this new row it does not seem to allow editing??? Know how to get around t...

PropertyChanged Event, raise when OnClick???

Hi, I have a WinForms application with some business objects which implement INotifyPropertyChanged and hook the PropertyChanged event via some controls & BindingSource on the form which raises an event back to my business objects layer... There's just one issue - everything works fine, except only when the control loses focus. E.G., t...

Refreshing BindingSource after insert (Linq To SQL)

I have a grid bound to a BindingSource which is bound to DataContext table, like this: myBindingSource.DataSource = myDataContext.MyTable; myGrid.DataSource = myBindingSource; I couldn't refresh BindingSource after insert. This didn't work: myDataContext.Refresh(RefreshMode.OverwriteCurrentValues, myBindingSource); myBindingSource.Re...

Problem with databinding manual writevalue in .net winforms

If I turn off automatic updating of a binding data source by setting DataSourceUpdateMode = Never and then use a button to update the whole lot (using binding.WriteValue), a problem occurs - Namely, only the first bound control's data source is updated. All other controls are reset back to the original values. This is because when the c...

BindingSource sees changes, DataTable doesn't

I have recently switched over from Java/RMI to C# / .net, and am working on my first project using databinding to update records in Oracle. On this first form I'm building, I have a detail view for vehicle records (VIN, year/make/model, license plate number, that sort of thing). The first thing I did in terms of writing to the DB was s...

Select newly added Row - DataGridView and BindingSource

I'm adding a new Row to a BindingSource that is Bound to a DataGridView source.AddNew(); After this, use BindingSource to get the newly added row is return the next row in the DataGridView when its sorted. ROW "A" ROW "B" <- myBindingSource.AddNew(); ROW "C" myBindingSource.Current gives ROW "C". (it became the selected row in the ...

Re-order records in gridview/bindingsource

I am using Telerik's WinForms controls and have a radGridView which is bound to a bindingsource to display my data. I would like to expand on the functionality of this a bit to give users an extra way to order the records. I have added two command buttons to the gridview (Up, Down) to help facilitate this functionality. Basically, whe...

Wpf Binding tow binding on the same Dependency property

i have a control the have a property called "SelectedItems" my control bind SelectedItems to an innerDataSource. the control user bind this property to his model view how do i explicitly trigger a bind update for the two binding ? using getBindingExpretion Gives me reference to only one of the binding . ...

add row to a BindingSource gives different autoincrement value from whats saved into DB

I have a DataGridView that shows list of records and when I hit a insert button, a form should add a new record, edit its values and save it. I have a BindingSource bound to a DataGridView. I pass is as a parameter to a NEW RECORD form so // When the form opens it add a new row and de DataGridView display this new record at this time D...

How to create a master detail insert form

i'm using the Northwind database and I want to create a C# .Net Framework windows form to generate an order input. I already linked the tables in my dataset and the binding source and used the binding navigator to be able to view each one of them The thing is i'm unable to find a way to add the order details to an uncreated order becau...

BindingSource.Find Multiple Columns

Is it possible to use the Find method of a BindingSource on multiple columns? For example, say I have a gridview displaying current pets; two comboboxes, cboPetType and cboGender; and a button to create a new record into the Pet table based on the values of these two comboboxes. Now, let's say I only want one of each PetType/Gender c...

Show nested value entity in textbox on databinding (c# - winforms)

Hello, I have an entity with others entities inside. Per example, Entity A has entities B and C. So, I want to show in a text box the value of A.B.SomeProperty when I set a datasource for bindindsource. Is it possible with a workaround? tks ...

C#: data binding a single, custom class to form controls (checkbox?)

I'm writing a desktop application in Visual Studio 2008 / C# I finished (mostly) writing an engine which generates a working schedule for the week for a small company; a form of a course-scheduling problem Right now I'm designing a form in which the user can determine the initial parameters, or criteria, for the engine to adhere to (as...

DataBinding of DataGridView and List<> with BindingSource

Hi, I'm trying to figure out how data binding with BindingSource is supposed to work I want a DataGridView to be populated with the content of a List<> upon update of the list. I can see the List grow and verify it's being filled when I check the debugger. I thought the BindingSource would fire an event when the List is changed. But ...

Better Way To Build BindingSource Filter From a Group of Controls [WinForms]

Right now I am building a filter based on user input (textboxes and comboboxes) by a bunch of if statements. There must be a better way. Here is my current code: Private Function BuildProductsFilter() As String Dim RawFilterResults As String = "" If Not CompanyNameComboBox.SelectedValue Is Nothing AndAlso Not Com...