Write Conflict in Combo Box Update

[harpalshergill]

Hi i have to SQL tables which i linked to the access.

now in my form i have a combo box to look up the details of PK of other
table.

there is a message of write conflict which i tried to change the value
of the combobox, i tries the same thing in other sub forms and it work
fines at there...


do u know what is the problem

thanks in advance