# FieldRefs and BLOBs

**URL:** <https://www.dynamicsuser.net/t/fieldrefs-and-blobs/9879>\
**Category:** Developers Forum\
**Created:** [April 18, 2005, 2:39pm UTC](https://www.dynamicsuser.net/t/fieldrefs-and-blobs/9879 "2005-04-18T14:39:57Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![ahed4](https://avatars.discourse-cdn.com/v4/letter/a/b2d939/32.png) [@ahed4](https://www.dynamicsuser.net/u/ahed4)\
**Post date:** [April 18, 2005, 2:39pm UTC](https://www.dynamicsuser.net/t/fieldrefs-and-blobs/9879/1 "2005-04-18T14:39:57Z")

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Hi there. Now we all know RecordRefs are great and cool, and dynamic and stuff. But what if i have to copy the contents of one blob into another? I mean: Same Table, but different RecordRefs. I’d use **VALUE** for datatypes other than BLOB, but what should i do with BLOBs? **VALUE** doesnt seem to work there.

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**Author:** ![stebbijons](https://avatars.discourse-cdn.com/v4/letter/s/d26b3c/32.png) [@stebbijons](https://www.dynamicsuser.net/u/stebbijons)\
**Post date:** [April 19, 2005, 9:12am UTC](https://www.dynamicsuser.net/t/fieldrefs-and-blobs/9879/2 "2005-04-19T09:12:26Z")

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I havn’t tested this but you might have to do CALCFIELDS on the fieldref first. stebbijons

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**Author:** ![ahed4](https://avatars.discourse-cdn.com/v4/letter/a/b2d939/32.png) [@ahed4](https://www.dynamicsuser.net/u/ahed4)\
**Post date:** [April 20, 2005, 7:37am UTC](https://www.dynamicsuser.net/t/fieldrefs-and-blobs/9879/3 "2005-04-20T07:37:49Z")

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Sure, ive done that. But Navision gives me an error that “The expression of type BLOB cannot be type converted into a BLOB.” … I agree fully with him. Clearly. I just dont know any other way i could transfer the content since i dont even have the import/export methos on fieldrefs.