bobj is not defined crystal report

Make sure aspnet_client folder is present in the root of your application with the appropriate version of asp net framework
for dot net 4.0, 4.5.* use folder aspnet_client\system_web\4_0_30319\crystalreportviewers13
for dot net 4.6 use folder aspnet_client\system_web\4_6_81\crystalreportviewers13