After installing Crystal Report for Visual Studio.Net 2010
http://asad-naeem.blogspot.com/2011/03/crystal-reports-merge-modules-for.html
then add the reference of following dlls
CrystalDecisions.CrystalReports.Engine.dll
CrystalDecisions.Enterprise.Framework.dll
CrystalDecisions.Enterprise.InfoStore.dll
CrystalDecisions.ReportSource.dll
CrystalDecisions.Shared.dll
CrystalDecisions.Windows.Forms.dll (Main)
and build the project then u will be able to see CrystalReportView control in toolbox.
http://asad-naeem.blogspot.com/2011/03/crystal-reports-merge-modules-for.html
then add the reference of following dlls
CrystalDecisions.CrystalReports.Engine.dll
CrystalDecisions.Enterprise.Framework.dll
CrystalDecisions.Enterprise.InfoStore.dll
CrystalDecisions.ReportSource.dll
CrystalDecisions.Shared.dll
CrystalDecisions.Windows.Forms.dll (Main)
and build the project then u will be able to see CrystalReportView control in toolbox.