private void btn_total_Back_Click(object sender, EventArgs e)
        {
            this.Hide();
            DashBoard ds1 = new DashBoard();

            ds1.Show();
        }
        private void btnLogin_Click(object sender, EventArgs e)
        {
            // string query = "select * from userlogin where userid = '" + this.txtusername.Text + "' and password = '******';";
            SqlConnection sqlcon = new SqlConnection(@"Data Source=DESKTOP-Q8D5FNB;Initial Catalog=resturent;Integrated Security=True");
            SqlCommand    cmd    = new SqlCommand("select * from userlogin where userid = '" + this.txtusername.Text + "' and password = '******';", sqlcon);
            //sqlcon.Open();
            SqlDataAdapter sda = new SqlDataAdapter(cmd);
            // SqlCommand sqlcom = new SqlCommand(query, sqlcon);

            DataTable dt = new DataTable();

            sda.Fill(dt);

            {
                string itm = choose_user.SelectedItem.ToString();

                if (dt.Rows.Count > 0)
                {
                    for (int i = 0; i < dt.Rows.Count; i++)
                    {
                        if (dt.Rows[i]["usertype"].ToString() == itm)
                        {
                            MessageBox.Show("Your Arelog in as " + dt.Rows[i][1]);
                            if (choose_user.SelectedIndex == 0)
                            {
                                DashBoard dss = new DashBoard();
                                dss.Show();
                                this.Hide();
                            }
                            else
                            {
                                Employee_DashBoard emd = new Employee_DashBoard();
                                emd.Show();
                                this.Hide();
                            }
                        }
                    }
                }


                else
                {
                    MessageBox.Show("Login Invalid");
                    sqlcon.Close();
                }
            }
        }