Checkbox State Gets unchecked even after assigning checked as true to control

i ve tab control n i ve one checkbox on one of the tabpage it. This checkbox is bind

now scenario is like that on form load my controls gets bind n values of checkbox is assigned as true but logic in this form is that on click button

i have to remove some tabpages n store this tabpages in tabpage collection n now wen i add those tabpage which i ve stored in tabpage collection.

And when i select the tab pages in which the check box value is assign the state get Change to unchanged state

and when i remove the binding of check box it give me proper value of checkbox.

whether i ve to preserve the state of checkbox n then assign it back.

but ive also tried it the same but still it goes wrong.. plz suggest some ways that can help me out

[784 byte] By [KrunalDamwala] at [2007-12-30]