bindingsource

C# refreshing textbox from BindingSource

I am having difficulty refreshing windows forms controls that are using a BindingSource object. We have a CAB/MVP/SCSF client that I (actually “we” since it is a team effort) are developing that will interact with WCF services running on a remote server. (This is our first attempt at this, so we are in a learning mode). One of the cal...

Is it possible to use BindingSource.find on multple columns?

Is it possible to use BindingSource.find on multple columns? I have a treeview and a combobox. The combobox provides the ID that is used to build the treeview. When I select a node in the tree view I want to display the details/child information for the ID from the combobox and the tag/ID value from the tree Node. What is the best ...

How do you get the proper mapping name from a binding source bound to a List<t>, or an anonymous type, to use on a DataGridTableStyle?

I'm trying to create a DataGridTableStyle object so that I can control the column widths of a DataGrid. I've created a BindingSource object bound to a List. Actually it's bound to an anonymous type list created though Linq in the following manner (variable names changed for clarity of what I'm doing): List<myType> myList = new List<myTy...

DataGridView, BindingSource and sorting in vb.net

I am emulating the functionality of an old app in VB.Net. I have a DataGridView on my form which is bound to a BindingSource. I have a button on the toolbar which lanuches a sort dialog. The sort dialog allows sorting by up to 3 columns. So I'm building a string from the results of the dialog and setting the BindingSource.Sort prop...

Sorting Report data in a ReportViewer using a BindingSource

I'm trying to get ReportViewer to display data from a BindingSource (VB.Net Winforms). I built the report on the underlying dataset. Then I configured the Data Source Instance to the BindingSource. I thought that would apply the sorting, filtering, etc. But it just looks like the data is coming from the dataset instead of the Bind...

How do I prevent selectedValue altering when calling tableAdapter's Fill() method?

I have bound my ListBox to some data. The problem is when I call myTableAdapter.Fill(..) method, SelectedValue changes to whatever is the first item ID in the list. Although "Selected Value" in VS is not bound anywhere (see image). How do I prevent this behaviour, please? Thank you very much for helping. ...

Check if a DataGridView/BindSource have changed data (VB.Net)

I have a WinForms app with a datagridview and a bindingsource. I want the user to confirm changes before I save them to the database. I don't want to pop up the confirmation dialog unless I know the user has made changes. So I need a way to check if changes have been made. Any suggestions? ...

DataBind to specific records

I have a DataGridView binded to this table: [Users] ID Name -- ---- 11 Qwe 22 Asd Grid is direclty binded to typed dataset table. I have a second table like this: [Records] ID UserID Data -- ------ ---- 67 11 .... 68 11 .... Records.UserID is connected to Users with a foreign key. What I want to do is: when the us...

BindingSource.Filter Exclude Values - How?

My BindingSource is bound to a collection of objects (not using ADO.NET) and I would like to filter it and exclude some values but not sure if I'm using this exactly since the result set I am expecting is not coming back. I was thinking something like this, but its not working: MyBindingSource.Filter = "State = 'NY' AND State = 'MA' AN...

Empty BindingSource problem

I have a problem with binding data using BindingSource, typed dataset and DataGridView. My problem is: BindingSource, therefore grid, is empty after binding data (bindingSource.Count is 0). I couldn't figure out what I'm doing wrong and I'd be very happy if anyone could help me with this. My application structure is like this: I have two...

Allow user to sort columns from a LINQ query in a DataGridView

Hi there I can't quite work out how to allow a DataGridView populated at runtime to sort (when users click on the column headers) where a LINQ from XML query is the DataSource, via a BindingSource. Dim QueryReOrder = From Q In Query _ Where ((0 - Q.Qualifier) / cmbTSStakeValue.Text) <= 0.1 _ ...

Push data back from control to source without Validating event

I have TextBox controls on a WinForm bound to a BindingSource. If I set CausesValidation = false on these controls it doesn't update data source on tableAdapter.Update() method. I know that Control.Validating event does this saving but how can I update source if CausesValidation is disabled? ...

MSSQL Date Functions

When I add this to my where clause: DueDate <= getDate() AND DueDate IS NOT null I get a nice little failure that says: Could not create child: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.Data.EvaluateException: The expression contains undefined function call getDa...

C# (Visual studio): Correlation between database, dataset, binding source

Hello. I am just learning C# through Visual Studio 2008? I was wondering what exactly is the correlation between dabases, datasets and binding sources? As well, what is the function of the table adapter? ...

BindingSource's and DataGridView's

Hey Stackers, I have two DataGridView's bound to an underlying DataSource through BindingSources and TableAdapaters. I have two models; strings and tables. Tables -> [id, handle, description] Strings -> [id, handle, table_id] So there's a many-to-one between Tables and Strings. What's the easiest way to make the selection of the "t...

VB.NET: Getting DataGridView to Populate from Stored Procedure

Hi, I was just handed a VB.NET prototyping effort, and I'm not very experienced with VB.NET. I had to create a stored procedure which returns a self-referential table in order. Once, I completed that I wanted to get a DataGridView to show the results. Previously, my team has been doing a lot of this via the GUI designer of VB.NET so I...

Adding new row in correct position to a user sorted wingrid with bindingsource

I have a Infragistics UltraGrid using a bindingSource. If I add a new object to my binding list, it adds a row to the bottom of the grid which is fine if there's no user defined sort. Question is if the user clicks on a column header to sort the grid, is there a way for new rows to appear in the proper sorted order instead of always on...

Forms Databinding - DataSet not updating?

I have a Form (Compact Framework, actually) with a few fields, a date and a string, among other things. Both TextBox controls are bound to properties in a BindindSource. The BindindSource has a DataSet as its DataSource property, and the DataMember is a table in a SQL CE database. When I want to add a new row, I call bindingSource.AddN...

BindingSource updates/reads all bound properties on a form when only one property changes using INotifyPropertyChanged event

I am uisng Bindingsource in my app to bound my Business object properties to controls.I have implemetned INoTifyPropertyChanged in BO class so whenever the control's value changes it will update the BO property and same will be reflected to the control.I am facing propeblm when one property changes it tries to read all the properties bin...

Why DataBinding doesn't work on second time around?

The error I got when I change the datasource of BindingSource "databinding cannot find a row that is suitable for all bindings row that is suitable for all bindings" this.RemoveAllBindings(); // My work-around for the meantime bdsOrder.DataSource = _ds.Tables["orders"]; // errors here on second time around(first time i...