分割DataTable

   ///   <summary>
         ///  分割数据集
         ///   </summary>
         ///   <param name="dtData"> 数据集 </param>
         ///   <param name="Number"> 分多少个 </param>
         ///   <returns></returns>
         private IList<DataTable> ListData(DataTable dtData,  int Number)
        {
      
            List<DataTable> dtList =  new List<DataTable>();
             double meiye=Math.Ceiling(dtData.Rows.Count / ( double)Number);
             for ( int i =  0; i < Math.Ceiling(dtData.Rows.Count / ( double)meiye); i++)
            {
                DataTable subdt =  new DataTable();
                subdt = dtData.Clone();
                dtData.AsEnumerable().Skip(Convert.ToInt32(meiye * i)).Take(Convert.ToInt32(meiye)).ToList().ForEach(name => subdt.ImportRow(name));
                dtList.Add(subdt);
            }
             return dtList;
        }