private void btnRevenue_Click(object sender, EventArgs e)
{
panelLoadData.Controls.Clear();
ListRevenue f = new ListRevenue();
panelLoadData.Controls.Add(f);
f.BringToFront();
}
private void buttonRevenue_Click(object sender, EventArgs e)
{
panelMove.Height = buttonRevenue.Height;
panelMove.Top = buttonRevenue.Top;
buttonRevenue.BackColor = Color.FromArgb(136, 232, 242);
//LoadData lên form
ListRevenue lr = new ListRevenue();
this.panelLoadData.Controls.Add(lr);
lr.BringToFront();
//button trả về màu cũ khi qua button khác
buttonFood.BackColor = Color.FromArgb(5, 199, 242);
buttonHome.BackColor = Color.FromArgb(5, 199, 242);
buttonTable.BackColor = Color.FromArgb(5, 199, 242);
buttonStaff.BackColor = Color.FromArgb(5, 199, 242);
buttonBill.BackColor = Color.FromArgb(5, 199, 242);
}