is there any way that we can trace programatically, that user has actully saved file

[nikeetavanjara]

when we use download data() of webclient() , it returns the data in the form of bytes... then this bytes we do response.binarywrite() such that it opens dialog box to "save", "open" , "cancel" is there any way that we can trace programatically, that user has actully save button to save, not clicked on cancel button, is there any way to trace it programatically ? thank u.. any help on this will be appriciated...