当前文件： SmallBusinessStarterKit/App_Code/Catalog/Category.cs[1K，2009-6-12 11:54:21]，打开代码结构图

		            
 1using System;
 2
 3
 4/**////<summary>
 5/// 分类项
 6/// 表示企业的产品类别，以便于企业组织他们的产品
 7/// </summary>
 8public class Category
 9...{
10    private string  _id;          
11    private bool    _visible;      
12    private string  _title;         
13    private string  _description;  
14    private string  _imageUrl;      
15    private string  _imageAltText;  
16                
17    public Category(string id, bool visible, string title)
18    ...{
19        if (String.IsNullOrEmpty(id)) throw new ArgumentException(Messages.CategoryIdUndefined);
20        if (String.IsNullOrEmpty(title)) throw new ArgumentException(Messages.CategoryTitleUndefined);            
21
22        _id             = id;
23        _visible        = visible;
24        _title          = title;
25     
26    }
27
28
29    public string Id
30    ...{
31        get ...{ return _id; }
32    }
33
34    public string Title
35    ...{
36        get ...{ return String.IsNullOrEmpty(_title) ? String.Empty : _title; }
37        set 
38        ...{ 
39            if (String.IsNullOrEmpty(value))
40                throw new InvalidOperationException(Messages.ItemTitleIsNull);
41            _title = value; }
42    }
43
44    public bool Visible
45    ...{
46        get ...{ return _visible; }
47        set ...{ _visible = value; }
48    }
49
50    
51    public string Description
52    ...{
53        get ...{ return String.IsNullOrEmpty(_description) ? String.Empty : _description; }
54        set ...{ _description= value; }
55    }
56
57    public string ImageUrl
58    ...{
59        get ...{ return String.IsNullOrEmpty(_imageUrl) ? String.Empty : _imageUrl; }
60        set ...{ _imageUrl= value; }
61    }
62
63    public string ImageAltText
64    ...{
65        get ...{ return String.IsNullOrEmpty(_imageAltText) ? String.Empty : _imageAltText; }
66        set ...{ _imageAltText = value; }
67    }
68    
69} // end class
70
71