private void btnLogIn_Click(object sender, EventArgs e)
    {
        try
        {
            OleDbCommand command = new OleDbCommand("select * from Account  where UserName = '" + txtbxUserName.Text + "' and Password = '" + txtbxPassword.Text + "' ");

            OleDbDataReader theReader;

            conn.Open();
            theReader = command.ExecuteReader();
            int count = 0;
            string uType = string.Empty;
            while (theReader.Read())
            {
                count = count + 1;
                uType = theReader["UserType"].ToString();
            }
            if (count == 1)
            {
                MessageBox.Show("Username and Password . . . is Correct", "Confirmation Message", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                this.Hide();
                if (uType == "Admin")
                {
                    B_E backend = new B_E();
                    this.Hide();
                    backend.ShowDialog();
                }
                else
                {
                    this.Close();
                }
            }
        }
        catch(Exception ex)
        {
            MessageBox.Show(ex.Message);
        }