public DataTable tkTen(string key) { return(DA_SanPham.tkTen(key)); }
public bool deleteSP(EC_SanPham sp) { return(DA_SanPham.deleteSP(sp)); }
public bool insertSP(EC_SanPham sp) { return(DA_SanPham.insertSanPham(sp)); }
public bool updateSP(EC_SanPham sp) { return(DA_SanPham.updateSanPham(sp)); }
public DataTable getAll() { return(DA_SanPham.getAll()); }