1using System;
 2using System.Data;
 3using MyShop.Model;
 4
 5namespace MyShop.IDAL
 6...{
 7    public  interface IInvoiceItem
 8    ...{
 9
10        int Add(InvoiceItemInfo model);
11        //int Add(InvoiceItemInfo[] models);
12        //int Delete();
13        int Delete(string filter);
14        bool Exist(string filter);
15        DataSet GetDataSet();
16        DataSet GetDataSet(string filter);
17        InvoiceItemInfo GetModel(DataRow dr);
18        //InvoiceItemInfo[] GetModels();
19        //InvoiceItemInfo[] GetModels(DataTable dt);
20        //InvoiceItemInfo[] GetModels(string filter);
21        DataSet Query(string sql);
22        int Update(InvoiceItemInfo model, string filter);
23
24
25
26        DataSet QuickSearch(int searchType);
27        DataSet KeywordsSearch(string field, string keywords);
28
29    }
30}
31