/// 将list集合转换成datatable

        /// </summary>

        /// <param name="list"></param>

        /// <returns></returns>

        public static System.Data.DataTable ListToDataTable(IList list)

        {

            System.Data.DataTable result = new System.Data.DataTable();

            if (list.Count > )

            {

                PropertyInfo[] propertys = list[].GetType().GetProperties();

                foreach (PropertyInfo pi in propertys)

                {

                    //获取类型

                    Type colType = pi.PropertyType;

                    //当类型为Nullable<>时

                    if ((colType.IsGenericType) && (colType.GetGenericTypeDefinition() == typeof(Nullable<>)))

                    {

                        colType = colType.GetGenericArguments()[];

                    }

                    result.Columns.Add(pi.Name, colType);

                }

                for (int i = ; i < list.Count; i++)

                {

                    ArrayList tempList = new ArrayList();

                    foreach (PropertyInfo pi in propertys)

                    {

                        object obj = pi.GetValue(list[i], null);

                        tempList.Add(obj);

                    }

                    object[] array = tempList.ToArray();

                    result.LoadDataRow(array, true);

                }

            }

            return result;

        }