private void buttonFoodHome_Click(object sender, EventArgs e)
{
panelLoadData.Controls.Clear();
ListFood f = new ListFood();
panelLoadData.Controls.Add(f);
f.BringToFront();
}
private void buttonFood_Click(object sender, EventArgs e)
{
//PanelLeft hiển thị theo từng tab
panelMove.Height = buttonFood.Height;
panelMove.Top = buttonFood.Top;
buttonFood.BackColor = Color.FromArgb(136, 232, 242);
//LoadData lên form
ListFood f = new ListFood();
this.panelLoadData.Controls.Add(f);
f.BringToFront();
//button trả về màu cũ khi qua button khác
buttonHome.BackColor = Color.FromArgb(5, 199, 242);
buttonTable.BackColor = Color.FromArgb(5, 199, 242);
buttonBill.BackColor = Color.FromArgb(5, 199, 242);
}