private void btnEditFood_Click(object sender, EventArgs e)
 {
     frmAddFood frm = new frmAddFood();
     frm.EditMode = true;
     frm.FoodId = IdFood;
     frm.ShowDialog();
     getUnits();
 }
 private void btnAddFood_Click(object sender, EventArgs e)
 {
     frmAddFood frm = new frmAddFood();
     frm.ShowDialog();
     getFood();
     FilterFood();
     getUnits();
 }