private void startseccion()
{
//DBManager c = new DBManager();
//string usu = txtuser.Text;
//string pass = txtpass.Text;
//c.startseccion(usu, pass);
//if (c.valor == "si")
//{
// string query = "insert into [actualuser]([user]) values ('" + usu + "')";
// //actual = usu;
// c.command3(query);
// txtpass.Clear();
// this.Hide();
// homeform frm = new homeform();
// frm.Show();
// c.valor = "";
//}
this.Hide();
homeform frm = new homeform();
frm.Show();
}
private void btnnueva_Click(object sender, EventArgs e)
{
homeform frm = new homeform();
string query = "insert into checkinhead(date,subtotal, discount, total, createby) values('" + dtpdatecheckin.Text + "', '0', '0', '0', '" + frm.txtactualuser.Text + "')";
c.command(query);
string comando = "Select idcheckin from checkinhead where idcheckin = (select max(idcheckin) from checkinhead)";
c.last_id(txtlastid, comando, "idcheckin");
txtidcheckin.Enabled = false;
}