Mohammed,
Delete the line
USE cursor csrmyCursor
[Update]
And is probably better to append the record before setting the control source of the grid
"The five senses obstruct or deform the apprehension of reality."
Jorge L. Borges?
"Premature optimization is the root of all evil in programming."
Donald Knuth, repeating C. A. R. Hoare
"To die for a religion is easier than to live it absolutely"
Jorge L. Borges