private void Form2_Load(object sender, EventArgs e)
{
foreach (Control c in this.Controls) //获取页面中的所有控件
{
if (c.GetType().ToString() == "System.Windows.Forms.TextBox")//如果是TextBox控件，则添加事件
{
TextBox tb1=c as TextBox;
c.KeyDown += new KeyEventHandler(Key_Down);
}
}
}
private void Key_Down(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
//this.SelectNextControl(this.ActiveControl,true, true, true, true);
SendKeys.Send("{Tab}"); //向活动应用程序发送击键 注意格式：Send("{Tab}");中的{}
}
}