BulkInsertSqlServerwithGenericList

public static class IEnumerableExtensions
   {
       public static DataTable AsDataTable<T>(this IEnumerable<T> data)
       {
           PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
           var table = new DataTable();
           foreach (PropertyDescriptor prop in properties)
               table.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
           foreach (T item in data)
           {
               DataRow row = table.NewRow();
               foreach (PropertyDescriptor prop in properties)
                   row[prop.Name] = prop.GetValue(item) ?? DBNull.Value;
               table.Rows.Add(row);
           }
           return table;
       }
   }
   
   
   using (var connection = new SqlConnection(ConfigurationManager.ConnectionStrings["SomeConnectionString"].ConnectionString))
    {
         connection.Open();
         SqlTransaction transaction = connection.BeginTransaction();
 
         using (var bulkCopy = new SqlBulkCopy(connection, SqlBulkCopyOptions.Default, transaction))
         {
            bulkCopy.BatchSize = 100;
            bulkCopy.DestinationTableName = "dbo.Person";
            try
            {
                bulkCopy.WriteToServer(listPerson.AsDataTable());
            }
            catch (Exception)
            {
                transaction.Rollback();
                connection.Close();
            }
          }
 
          transaction.Commit();
    }