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Subject: Image Field Questions

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jyoung
Posts:8

skipping stones

06/18/2009 6:41 PM
I just bought DF 3 and have some questions. I have a table I want to upload a picture to. The table has three columns - postID (PK), userid, and picture. I think I can get DF to do the upload to the external table. My question is I want to then access the picture field from another module. When I query the picture field what I am going to get - the thumbnail or the full size image? Second - is there any way to limit the size and/or dimensions of uploaded images? Third - is it possbile to link DF with the sqlgridselectedview module like you have done with OWS & Indoogrid? Thanks

David To
Posts:2118

river guide

06/19/2009 9:04 AM
HI, 1) when you query the picture field, you should get the path of the file (the full directory path / or just filename of the picture) so that by clicking on it it will display in a browser window. If you check your SQL table, you will see how it's storing the data. 2) There should already be a setting in the web.config which controls the maximum file size. This is the setting the module is going to use, and also the setting that other areas of DNN should use I believe (such as if you tried to upload a file too large under Admin, File Manager) 3) yes, DF can be tired to OWS / Indoogrid. See our Demos 21 tutorial. -- David

jyoung
Posts:8

skipping stones

06/19/2009 11:03 AM
If I understand correctly the setting in the web.config is for all uploads. So if you set this for a normal size picture - say 3 to 400k - then when you want to upload a .zip file or a large doc you will be unable to. Depending on your solution users are more likely to upload many more pictures than they will docs and since you have average users taking pictures with 10mp cameras it makes sense for you to limit the size of image uploads. It would be nice to be able to do this without also limiting other upload types at the same time.

David To
Posts:2118

river guide

06/25/2009 3:01 PM
HI, I don't know how to get around this issue. After googling, I found out that the bottleneckt is IIS. It has 2 parameters that govern this: MaxRequestLength and RequestTimeOut. In web.config the upload size is limited to 8MB httpRuntime useFullyQualifiedRedirectUrl="true" maxRequestLength="8192" requestLengthDiskThreshold="8192" You can change those parameters to allow larger uploads, 20480 would be 20MB httpRuntime useFullyQualifiedRedirectUrl="true" maxRequestLength="20480" requestLengthDiskThreshold="20480" ==== However, I can't find any solution / configuration to set different file size uploads for different file types. Perhaps a separate, custom DNN module somewhere out there can do this (Repository module). -- David

gbrown
Posts:12

wading in the water

06/26/2009 2:13 PM
The Fatgeorge upload control for Xmod can limit the size of uploads separate from the webconfig. Don't know how he did it though. It can also auto resize the image, autocreate thumbnails, watermarks, disk quotas, etc. I do believe that Ultra Media Gallery has upload limits separate from the webconfig too. Greg

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