我试图禁用以下代码中的下一个按钮,但它不起作用....请帮助...
protected void timer1_Tick(object sender, EventArgs e)
{
CurrentTime = CurrentTime.AddSeconds(-1);
LblTime.Text = "Time Left: " + CurrentTime.TimeOfDay;
if (CurrentTime.TimeOfDay == DateTime.MinValue.TimeOfDay)
{
LblTime.Text = "Oops!! Time Up";
timer1.Enabled = false;
btnnext.Enabled = false;
}