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Question(SOLVED) Is it possible to raise an error on filename that resides on the server? Pin
samflex29-May-19 4:36
membersamflex29-May-19 4:36 
Greetings again expoerts.

The code below was generously provided by the great Richard Deeming.

sp:HyperLinkField 

    DataNavigateUrlFields="filename, servername"

    DataNavigateUrlFormatString="http://Archive/{1}/play_recording_wav.aspx?filename=noop_{0}.wav"


It concatenates fieldnames with hardcoded values to allow audio files saved on the server to be played.

For instance, Archive is hardcoded. So is noop and .wav.

However, {1} and {0} are database fieldnames (filename, servername)

The issue we are currently having now is that values for filename exist for all records in the database.

However, some of the filenames on the server do not exist.

For instance, let's say we have V0000YT as value for filename on the database, that same V00YT which is an audio file, does not exist on the server.

As a result, when you load that record on the browser and click Listen, you get "page cannot be displayed" error.

If I designed the database, I would have added a flag with a value of Yes or No.
Yes, if filename on the database has an associated audio file on the server.

No, if there is no associated audio file on the server.

Management has asked to disable the Listen link if there is no audio file on the serer is associated with a filename on the database.

I told him this is not possible.

Am I right?

Thanks very much in advance

modified 31-May-19 10:33am.

AnswerRe: Is it possible to raise an error on filename that resides on the server? Pin
Richard Deeming29-May-19 7:16
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
samflex29-May-19 9:18
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
Richard Deeming30-May-19 0:16
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
samflex30-May-19 4:00
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
Richard Deeming30-May-19 7:31
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
samflex31-May-19 3:17
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
Richard Deeming31-May-19 3:26
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
samflex31-May-19 3:42
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GeneralRe: Is it possible to raise an error on filename that resides on the server? Pin
Richard Deeming31-May-19 3:50
mveRichard Deeming31-May-19 3:50 

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