To delete query using data environment in vb 6.0

hi,
i am newbiee to vb 6.0 need ur help
i have being told to complete project on online railway system using VB 6.0 as front end and access and back
95 % project is done
now the problem is that i added cancel command so that users can cancel their tickets and i have do it by using data environment
i want to erase the entire record of passenger details

heres my code
Text3 the primary key is PNR
command is cancel


DataEnvironment2.Cancel Text3.Text
MsgBox "deleted"
every time a get error Runtime error '-2147220992 (80040200)


pls help
i need to submit the project as early as possible

thank you