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  • DataTable转成实体列表 和 DataRow转成实体类

     1         #region DataTale转为实体列表  
     2         /// <summary>  
     3         /// DataTale转为实体列表  
     4         /// </summary>  
     5         /// <typeparam name="T">实体类类型</typeparam>  
     6         /// <param name="table">DataTable</param>  
     7         /// <returns>List<T></returns>  
     8         public List<T> DataTableToModelList<T>(DataTable table)
     9         {
    10             List<T> list = new List<T>();
    11             T t = default(T);
    12             PropertyInfo[] propertypes = null;
    13             string tempName = string.Empty;
    14             foreach (DataRow row in table.Rows)
    15             {
    16                 t = Activator.CreateInstance<T>();
    17                 propertypes = t.GetType().GetProperties();
    18                 foreach (PropertyInfo pro in propertypes)
    19                 {
    20                     tempName = pro.Name;
    21                     if (table.Columns.Contains(tempName))
    22                     {
    23                         object value = row[tempName];
    24                         if (value.GetType() == typeof(System.DBNull))
    25                         {
    26                             value = null;
    27                         }
    28                         pro.SetValue(t, value, null);
    29                     }
    30                 }
    31                 list.Add(t);
    32             }
    33             return list;
    34         }
    35         #endregion
    36 
    37         #region   DataRow转为实体类  
    38         /// <summary>  
    39         /// DataRow转为实体类  
    40         /// </summary>  
    41         /// <typeparam name="T">实体类类型</typeparam>  
    42         /// <param name="row">DataRow</param>  
    43         /// <returns>T</returns>  
    44         public T DataRowToModel<T>(DataRow row)
    45         {
    46 
    47             T t = default(T);
    48             PropertyInfo[] propertypes = null;
    49             string tempName = string.Empty;
    50             t = Activator.CreateInstance<T>();
    51             propertypes = t.GetType().GetProperties();
    52             foreach (PropertyInfo pro in propertypes)
    53             {
    54                 tempName = pro.Name;
    55                 if (row.Table.Columns.Contains(tempName))
    56                 {
    57                     object value = row[tempName];
    58                     if (value.GetType() == typeof(System.DBNull))
    59                     {
    60                         value = null;
    61                     }
    62                     pro.SetValue(t, value, null);
    63                 }
    64             }
    65             return t;
    66         }
    67         #endregion

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  • 原文地址:https://www.cnblogs.com/YourDirection/p/12107674.html
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