>>>>>>>>>Do you want to say that you have the same buttons (to open new form) on both pages?
>>>>>>>>No, I use two different buttons. Also, When I close the form, the code is...
>>>>>>>>myform.hide
>>>>>>>
>>>>>>>How do you close your form? Is it modal or modeless form?
>>>>>>I close use this code..
>>>>>>thisformset.myform.hide and the form is modal.
>>>>>
>>>>>From where you fire this code?
>>>>From a command button's click event on the form that is being closed.
>>>
>>>Is it consistent problem? What's happened if you close the form manually clicking on form's right-upper corner? BTW, when you open form you use Form.Show or something else?
>>Yes, it is a consistent problem. If I close the form manually, I get an syntax
>>error. UNKNOWN MEMBER myform - I use SHOW to open the form.
>
>Well, now give me all code behind the button which opens the form and causes flipping.

He it is...
*** close button click event
select mytable
thisformset.myform.hide