Dang! You beat me to it by 10 minutes. I was just about to reply almost the same thing (textBox1.Focus() instead of setting it as the ActiveControl ... either way works). The key, obviously, was setting the TabControl.SelectedTab property.

~~Bonnie



>> 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()
>

Try:

TabControl1.SelectedTab = TabPage2
>ActiveControl = textbox1