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Resolved DB Blob object Not Visible in datawindow deploy Web

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  1. Andres Ramdohr Aldunate ti@happyline.hk
    Andres Ramdohr Aldunate ti@happyline.hk
  2. PowerServer 2020 or older (Obsolete)
  3. Tuesday, 21 July 2020 23:43 PM UTC
Good afternoon, I am showing images from a table with a DB Blob object in a
Datawindows and in Client-Server mode it works without problems, but when deploying web
the datawindows does not show the images, do you know what it could be? ?
 
  1. DataWindow
Toolkit is gone on Trail version
Plugin will not run/install
Responses (1)
Armeen Mazda @Appeon
Armeen Mazda @Appeon Accepted Answer Pending Moderation
  1. Wednesday, 22 July 2020 00:03 AM UTC
  2. PowerServer 2020 or older (Obsolete)
  3. # 1

Are you using TableBlob to display it?  Per the PowerServer documentation, this is an unsupported feature:  https://docs.appeon.com/ps2020/features_help_for_appeon_web/Controls_in_a_DataWindow_and_their_properties1.html#d0e94672

You would need to workaround or wait for PowerServer 2021.

Comment
Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Wednesday, 22 July 2020 00:26 AM UTC
Hi Andres;

One "workaround" that Armeen hinted upon would be to perform a SelectBlob command, write the blob data to an external image file and then assign the image file to a Picture control or map it to a DW column with the "display as picture" property turned on. HTH

Regards ... Chris
  1. Helpful
Andres Ramdohr Aldunate ti@happyline.hk
  1. Andres Ramdohr Aldunate ti@happyline.hk
  2. Thursday, 23 July 2020 01:38 AM UTC
I already used that modality with selectblob, but when performing the web implementation and testing it doesn't work,

Because when downloading the images, a physical path is required and the data window does not show the images, but it does on a client server.



Please help to solve this, thank you very much
  1. Helpful
Chris Pollach @Appeon
  1. Chris Pollach @Appeon
  2. Thursday, 23 July 2020 14:17 PM UTC
Hi Andres .. FYI: In Web and Mobile Apps, you need to use the path as returned by using the " of_getcachedir ( ) " method. Please see the PS Help for more information on this feature. Regards ... Chris

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