分页服务类

主要做分页服务的帮助类
附上分页服务代码
  1     /// <summary>
  2     /// 分页类
  3     /// </summary>
  4     [Serializable]
  5     [DataContract]
  6     public class Paging
  7     {
  8         /// <summary>
  9         /// 页码
 10         /// </summary>
 11         [DataMember]
 12         public int PageIndex { get; set; }
 13 
 14         /// <summary>
 15         /// 页大小
 16         /// </summary>
 17         private int pageSize = 10;
 18 
 19         /// <summary>
 20         /// 页大小(默认10页)
 21         /// </summary>
 22         [DataMember]
 23         public int PageSize
 24         {
 25             get
 26             {
 27                 return this.pageSize;
 28             }
 29 
 30             set
 31             {
 32                 this.pageSize = value;
 33             }
 34         }
 35 
 36         /// <summary>
 37         /// 总条数
 38         /// </summary>
 39         [DataMember]
 40         public int RowsCount { get; set; }
 41 
 42         /// <summary>
 43         /// 总页数
 44         /// </summary>
 45         private int pageCount;
 46 
 47         /// <summary>
 48         /// 总页数
 49         /// </summary>
 50         [DataMember]
 51         public int PageCount
 52         {
 53             get
 54             {
 55                 this.pageCount = (this.RowsCount % this.PageSize) == 0
 56                                      ? this.RowsCount / this.PageSize
 57                                      : (this.RowsCount / this.PageSize) + 1;
 58                 return this.pageCount;
 59             }
 60 
 61             set
 62             {
 63                 this.pageCount = value;
 64             }
 65         }
 66 
 67         /// <summary>
 68         /// 是否获取总条数
 69         /// </summary>
 70         private bool getRowsCount = true;
 71 
 72         /// <summary>
 73         /// 是否获取总条数
 74         /// </summary>
 75         [DataMember]
 76         public bool GetRowsCount
 77         {
 78             get
 79             {
 80                 return this.getRowsCount;
 81             }
 82 
 83             set
 84             {
 85                 this.getRowsCount = value;
 86             }
 87         }
 88 
 89         /// <summary>
 90         /// 开始索引
 91         /// </summary>
 92         public int StratRows
 93         {
 94             get
 95             {
 96                 if (this.PageIndex <= 0)
 97                 {
 98                     return 0;
 99                 }
100 
101                 return this.PageSize * (this.PageIndex - 1);
102             }
103         }
104     }
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