1 /// 
 2         /// DataSet转换为实体类 3         /// 
 4         /// 
     
      实体类
      5         /// DataSet 6         /// 待转换数据表索引 7         /// 
     
      实体类
      8         public static T DataSetToEntity
     
      (DataSet p_DataSet, int p_TableIndex) 9         {10             if (p_DataSet == null || p_DataSet.Tables.Count < 0)11                 return default(T);12             if (p_TableIndex > p_DataSet.Tables.Count - 1)13                 return default(T);14             if (p_TableIndex < 0)15                 p_TableIndex = 0;16             if (p_DataSet.Tables[p_TableIndex].Rows.Count <= 0)17                 return default(T);18 19             DataRow p_Data = p_DataSet.Tables[p_TableIndex].Rows[0];20             // 返回值初始化21             T _t = (T)Activator.CreateInstance(typeof(T));22             PropertyInfo[] propertys = _t.GetType().GetProperties();23             foreach (PropertyInfo pi in propertys)24             {25                 if (p_DataSet.Tables[p_TableIndex].Columns.IndexOf(pi.Name.ToUpper()) != -1 && p_Data[pi.Name.ToUpper()] != DBNull.Value)26                 {27                     pi.SetValue(_t, p_Data[pi.Name.ToUpper()], null);28                 }29                 else30                 {31                     pi.SetValue(_t, null, null);32                 }33             }34             return _t;35         }36 37         /// 
      
38         /// DataSet转换为实体列表39         /// 
40         /// 
      
       实体类
      41         /// 
      DataSet42         /// 
      待转换数据表索引43         /// 
      
       实体类列表
      44         public static IList
      
        DataSetToEntityList
       
        (DataSet p_DataSet, int p_TableIndex)45         {46             if (p_DataSet == null || p_DataSet.Tables.Count < 0)47                 return default(IList
        
         );48             if (p_TableIndex > p_DataSet.Tables.Count - 1)49                 return default(IList
         
          );50             if (p_TableIndex < 0)51                 p_TableIndex = 0;52             if (p_DataSet.Tables[p_TableIndex].Rows.Count <= 0)53                 return default(IList
          
           );54 55 DataTable p_Data = p_DataSet.Tables[p_TableIndex];56 // 返回值初始化57 IList
           
             result = new List
            
             ();58 for (int j = 0; j < p_Data.Rows.Count; j++)59 {60 T _t = (T)Activator.CreateInstance(typeof(T));61 PropertyInfo[] propertys = _t.GetType().GetProperties();62 foreach (PropertyInfo pi in propertys)63 {64 if (p_Data.Columns.IndexOf(pi.Name.ToUpper()) != -1 && p_Data.Rows[j][pi.Name.ToUpper()] != DBNull.Value)65 {66 pi.SetValue(_t, p_Data.Rows[j][pi.Name.ToUpper()], null);67 }68 else69 {70 pi.SetValue(_t, null, null);71 }72 }73 result.Add(_t);74 }75 return result;76 }