回车移动控件焦点

//方法1
 private void textBox1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
 {
               if(e.KeyValue==13)//if(e.KeyCode==Keys.Enter)//回车
             {
                 this.textBox2.Focus();
             }
 }//方法2
    private void textBox1_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
   {
        if (e.KeyCode == Keys.Enter)
             this.SelectNextControl(this.ActiveControl,true,true,true,true);
   }//方法3
 this.txtBox.KeyDown += new System.Windows.Forms.KeyEventHandler(this.EnterToTab);  private void EnterToTab(object sender, System.Windows.Forms.KeyEventArgs e)
   {
    if(e.KeyValue==13)//if(e.KeyCode==Keys.Enter)
    {
     SendKeys.Send("{TAB}");
    }   
   }