Cannot Insert the value Null into column "Attachment"

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Dear All,

I want to attach some files as details grid of parent grid without using blob adapter settings, files should be stored as binary format in database.

while attaching I am getting a error like this, "Cannot Insert the value Null into column "Attachment"

Herewith, I am attaching my all working screen-shot.

Please suggest me what need to be change for fix this issue.

Here I have composite key for details grid.

Regards,

Dhirendra Kumar Nayak.

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John Willems July 30, 2019 15:05

Have you tried 'Allow Null Values' below the Byte[] array data type?

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Have you tried 'Allow Null Values' below the Byte[] array data type?

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Dhirendra Kumar Nayak July 30, 2019 15:39

Hi john,

Yes I have tried with allowing null in database side too.

If I make as null, record is saving without varbinary data field data.

It's working perfectly if table is only one primary key and attachment coloumn is allow null in DB.

If a table is having composite key it's not working, my concern is how to save the attachment file, if a table is having composite key.

Please suggest me how to make this workable if a table is having composite key.

Thank you.

Regards,

Dhirendra Kumar Nayak.

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Hi john, Yes I have tried with allowing null in database side too. If I make as null, record is saving without varbinary data field data. It's working perfectly if table is only one primary key and attachment coloumn is allow null in DB. If a table is having composite key it's not working, my concern is how to save the attachment file, if a table is having composite key. Please suggest me how to make this workable if a table is having composite key. Thank you. Regards, Dhirendra Kumar Nayak.

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John Willems July 30, 2019 15:47

I do not use composite keys so I cannot help with that. My blob uploads are done using the adapter settings.

I would guess you are in the realm of custom code. Perhaps someone else here codes out the upload process and can be of assistance.

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I do not use composite keys so I cannot help with that. My blob uploads are done using the adapter settings. I would guess you are in the realm of custom code. Perhaps someone else here codes out the upload process and can be of assistance.

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