Good evening Chris: Responding directly I want to preview a file created from my application. When I make such a billing daily (list) instead of having to print want to pre-visualize the listing on the screen and then then print if you want. I have looked and found that there is DocumentViewer function that does what I want. Now the question is what I have to do to generate the file (listing) to preview it. I think I could clarify what I try. Thanks again
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