SL4 error on DomainContext.SubmitChanges

[Edo Cof]

This code worked in SL3, but now i am getting error.
My sequence is:
grid.BeginInsert();
grid.IsEnabled = false;  //i only want, that grid show me new row, but i want to edit in custom form.
    //some editing in custom form and then button click.
grid.IsEnabled = true;
grid.CommitEdit();
MyDomainContext.SubmitChanges();

Here i get error:
Entity 'Groups : -1' is currently being edited and has uncommitted changes. A call to BeginEdit must be followed by a call to EndEdit or CancelEdit before changes can be submitted.

I try not to set IsEnabled to false and everything works. But i don't want to user allowed to edit in grid. I want that only new row is showned. I get this kind ob behaviour with setting grid enabled to false.

Callstack:
   at System.ServiceModel.DomainServices.Client.DomainContext.ValidateChangeset(EntityChangeSet changeSet)
   at System.ServiceModel.DomainServices.Client.DomainContext.SubmitChanges(Action`1 callback, Object userState)
   at System.ServiceModel.DomainServices.Client.DomainContext.SubmitChanges()
   at Urnik.Tables.SifrantPage.buttonPostClick(Object sender, RoutedEventArgs e)
   at System.Windows.Controls.Primitives.ButtonBase.OnClick()
   at System.Windows.Controls.Button.OnClick()
   at System.Windows.Controls.Primitives.ButtonBase.OnMouseLeftButtonUp(MouseButtonEventArgs e)
   at System.Windows.Controls.Control.OnMouseLeftButtonUp(Control ctrl, EventArgs e)
   at MS.Internal.JoltHelper.FireEvent(IntPtr unmanagedObj, IntPtr unmanagedObjArgs, Int32 argsTypeIndex, String eventName)

[Rossen Hristov]

Hi Matjaz Cof,

Could you please open a separate support ticket and send us a small dummy sample that reproduces this. We will need something to debug in order to see what is going on. Thanks in advance.

All the best,
Ross
the Telerik team

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[Bryan Williams]

We are doing something very similar using the RowDetailDataTemplate to edit or add a row.
We do the BeginInsert so that the row will appear and see the same error when we try to do a Commit edit

MenuBarGrid.IsReadOnly =

 

false;

 

MenuBarGrid.CommitEdit();

MenuBarGrid.IsReadOnly =

 

true;

 

MainDataSource.SubmitChanges();

If I replace the CommitEdit() with a CancelEdit() I do not see the error, but I also lose my changes.

It does not appear that there is an 'EndEdit' method in RadGridView....

I'd be interested in the resolution as well....
Thank you

[Bryan Williams]

I was able to get past the 'EndEdit' error by replacing the CommitEdit with the following....I have other issues to resolve so I cannot say sure that this is the final solution, but maybe it can help you...
(C#)

IEditableObject SelectedProject = (IEditableObject)MenuBarGrid.SelectedItem;
SelectedProject.EndEdit();

[Bryan Williams]

Once I got past some validation issues, this did in fact resolve my issue....

[Edo Cof]

Well it's not working for me.
Do you really need test project. That means truble with database, tables,...
The steps to reproduce the problem is just:

gridMainGrid.BeginInsert();
gridMainGrid.IsReadOnly = true;

//some stuff
//button click:

gridMainGrid.IsReadOnly = false;
gridMainGrid.CommitEdit();
DS.SubmitChanges(); // --> error

If there is no way to solve the problem, please let me know, and i will try to make a sample project.

[Bryan Williams]

Based on the code you show, I only see one difference int he way you are handling this.
I return the grid to read only after the begin insert and then swap the flag back just before ending the edit. Not sure if this will help you at all...

// User presses 'Add' button
BaseBrowseGrid.IsReadOnly = false;

 

BaseBrowseGrid.BeginInsert();
BaseBrowseGrid.IsReadOnly = true;

....Edits occur in form....

//User presses 'Save' button
BaseBrowseGrid.IsReadOnly = false; 
IEditableObject SelectedProject = (IEditableObject)BaseBrowseGrid.SelectedItem; 

 

 

SelectedProject.EndEdit();

BaseBrowseGrid.CommitEdit();

BaseBrowseGrid.IsReadOnly = true;

 

BaseDataSource.SubmitChanges();