/// 
/// 集合装换DataTable/// 
/// 集合/// 
      public static DataTable ToDataTable(IList list){ var dataTable = new DataTable(); if (list.Count > 0) {  PropertyInfo[] propertys = list[0].GetType().GetProperties();  foreach (PropertyInfo pi in propertys)  {   dataTable.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();   dataTable.LoadDataRow(array, true);  } } return dataTable;}