Link for Need How to add columns dynamically to crystal report in .net

http://social.msdn.microsoft.com/Forums/en-US/vscrystalreports/thread/c11b07e1-9273-4474-b684-9aee51bd52f2/

http://vb.net-informations.com/crystal-report/dynamic_crystal_report_from_sql_query_string.htm

http://www.codeproject.com/KB/aspnet/crystal_report.aspx

http://www.c-sharpcorner.com/UploadFile/rsubhajit/CrystalReportwithDataSet03012006060655AM/CrystalReportwithDataSet.aspx