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Request Filters

Mat DeLong – Within DataSnap there exists the concept of filtering results by way of "request filters." These predefined filters tie into an api which allows for you to specify in the URL which filter to use for each parameter and what values to pass into the specific filter. For example, a server function might return a very large string but you may only ever need the first few characters of it. For this you can use the SubString filter, specifying the range of the string you are interested in. The benefit of this is you don’t send any more information over the wire than you need to, which in the ...
Favorite? Off-Topic? Mat DeLong @ 2010-10-06 21:52


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