HI ALL, i have a tabcontrol called TabControl1 , it include the 2 page ,called TabPage1, TabPage2... In TabPage1, i have a button . Form load after,will dislay the TabPage1 first.... In this time , i want to onclick the button .... and it will auto go to TabPage2 and select the textbox... But i can't it , how can i do? thx My code TabPage2.Focus() textbox1.Focus()