private void oToolStripMenuItemBm_Click(object sender, EventArgs e)
        {
            //---------------------------------Show List Of Donor O-
            this.Hide();
            string           query = "SELECT * FROM DonorTable WHERE BloodGroup = 'O-' ";
            FormShowDrugList flist = new FormShowDrugList(query);

            flist.ShowDialog();
        }
        private void buttonShowDrugList_Click(object sender, EventArgs e)
        {
            home.Hide();
            this.Hide();

            string query = "SELECT * FROM PharmasyTable";

            FormShowDrugList sdl = new FormShowDrugList(query);

            sdl.ShowDialog();
        }