Tabcontrol getting repositioned in a panel with autoscrollbar when a tab ius selected

hai.

I am developing a windows form app using c#.net

I have a tabcontrol placed in panel. and the autoscrol property of the panel is set to true. just above the tabcontrol i have a button also.. now what the problem is when ever a tab is selected the panels scroll bar moves to make the tab control highlighted.... i need the tab controol not to be repositioned when i select the new tab.

can anyone help me.
Thanks in advance.