private void button2_Click(object sender, EventArgs e)
{
String noteid, title, information;
DateTime notetime;
noteid = textBox1.Text;
title = textBox2.Text;
information = textBox3.Text;
notetime = DateTime.Now;
chloe_control_all chloe_obj = new chloe_control_all("Data Source=DESKTOP-O4C25KM;Initial Catalog=场馆预约系统;Integrated Security=True");
chloe_obj.inser_yardcontent(int.Parse(noteid), title, information, notetime);
}