BindingManagerBase.AddNew() .......Big problem....help....!!!

[Khanh Duy]

when I bind a dataset to a datagrid (I did it so many times and they always run well but sometimes I meet some mistakes with the same code ...I think that because my database...): I bind datagrid with a dataset ...and then I use bindingManagerBase.position to move next and pre ,that's normal but when I press the button AddNew(using BindingManagerBase.AddNew()) .It make a new row in datagrid but the cursor don't move to the new row ( It should move when I use the same code in another window form ,it run so well...) and then I can't move Last(after I add a new row in datagrid)... I don't know why the same code but it takes various result....Could you please to help me?...I must complete this project soon...Thanks first.... The man with nothing to lose