private void button3_Click(object sender, EventArgs e)
{
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.del_hmd_all();
GLY_heimingdan_Load(null, null);
}