// Done
private void btnUpdateStoreItem_Click(object sender, EventArgs e)
{
StoreItemMaintenance sim = new StoreItemMaintenance();
sim.btnMaintain.Text = "Update Store Item";
sim.ShowDialog();
InitializeStoreItems();
}
// Done
private void btnDeleteStoreItem_Click(object sender, EventArgs e)
{
StoreItemMaintenance sim = new StoreItemMaintenance();
sim.cbxCategories.Enabled = false;
sim.cbxSubCategories.Enabled = false;
sim.txtItemName.Enabled = false;
sim.txtUnitPrice.Enabled = false;
sim.btnMaintain.Text = "Delete Store Item";
sim.ShowDialog();
InitializeStoreItems();
}