>>First, decide where you'll store this information and how. You can use a table, XML file, INI file, etc.
>
>A form.
>Drop a optiongroup on a form set the value to 2 from Data tab of form designer.
>Now run the form, the Init value of optiongroup is 2. Where is this value saved in the form? In runtime the value is change to 1 now store the value 1 to the place where value 2 was saved.
>But I don't know where is was save :(

Zahid,

The values set at design time are stored in the .SCX/.VCX. You cannot modify them in runtime.
I explained to you how to implement saving and restoring values in runtime in my previous message. What's wrong with that approach?