利用反射将任意元素类型 的 List 转为 DataTable

List to DataTable. 利用反射，将任意元素类型 的 List 转为 DataTable.

Using System.Collections;

Using System.Reflection;

        public static DataTable ToDataTable(IList list)
        {
            DataTable result = new DataTable();
            if (list.Count > 0)
            {
                PropertyInfo[] propertys = list[0].GetType().GetProperties();
                foreach (PropertyInfo pi in propertys) 
                {
                    result.Columns.Add(pi.Name, pi.PropertyType); 
                }

                for (int i = 0; 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;
        }