当前文件路径：SmallBusinessStarterKit/App_Code/People/People.cs

		            
 1using System;
 2using System.Configuration;
 3using System.Web.Configuration;
 4using System.Collections;
 5using System.Collections.Specialized;
 6using System.Collections.Generic;
 7using System.Web;
 8/**////<summary>
 9/// class People
10/// Provides static functions to access 'people' 
11/// and serves as abastraction layer between the web Page and
12/// actual data providers
13///</summary>
14  public static class People ...{
15
16    private static bool _isInitialized = false;
17    private static PeopleProvider _provider;
18    private static SmallBusinessDataProvidersSection _providersSection;
19
20    public static PeopleProvider Provider ...{
21      get ...{
22        Initialize();
23        return _provider;
24      }
25    }
26
27    public static List<Person> GetAllPersons()
28    ...{
29        return Provider.GetAllPersons();
30    }
31
32
33    private static void Initialize() ...{
34      if (!_isInitialized) ...{
35          _providersSection = (ConfigurationManager.GetSection("SmallBusinessDataProviders")) as SmallBusinessDataProvidersSection;
36          if (_providersSection == null)
37          ...{
38              throw new Exception(Messages.PeopleConfigSectionNotFound);
39        }
40        
41        _provider = ProvidersHelper.InstantiateProvider(_providersSection.PeopleProviders[_providersSection.PeopleProviderName], 
42            typeof(PeopleProvider)) as PeopleProvider; 
43
44        if (_provider == null) ...{
45          throw new Exception("People default provider could not be instantiated");
46        }
47      }
48    }
49
50  }
51