C#实体对象List列表转换为DataTable

        /// <summary>
        /// 实体对象列表转换为DataTable
        /// </summary>
        /// <param name="list"></param>
        /// <returns></returns>
        /// <exception cref="Exception"></exception>
        public static DataTable ToDataTable(this IList list)
        {
            if (list == null || list.Count == 0)
            {
                return new DataTable();
            }

            //获取T下所有的属性
            Type entityType = list[0].GetType();
            PropertyInfo[] entityProperties = entityType.GetProperties();

            //表名=类名
            var tableName = list[0].GetType().Name;

            DataTable dt = new DataTable(tableName);

            for (int i = 0; i < entityProperties.Length; i++)
            {
                dt.Columns.Add(entityProperties[i].Name);
            }

            foreach (var item in list)
            {
                if (item.GetType() != entityType)
                {
                    throw new Exception("要转换集合元素类型不一致！");
                }
                //创建一个用于放所有属性值的数组
                object[] entityValues = new object[entityProperties.Length];
                for (int i = 0; i < entityProperties.Length; i++)
                {
                    entityValues[i] = entityProperties[i].GetValue(item, null);
                }

                dt.Rows.Add(entityValues);
            }
            return dt;
        }