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Some images contain a binary header that must be removed when
displaying the image. When extracting
an image from the database to be displayed, this header may be removed using
the Offset pass-through attribute in conjunction with the ImageUrlFormat
pass-through attribute.
For
example, the Offset must be changed to 78 because the Northwind database and
its copy Southwind contain a 78-byte header.
This header is an OLE DB header that was placed by Microsoft. Images stored by you may not have a header
or may have a smaller or larger header.
The Offset indicates the size of the header.
..\ExportFieldValue.aspx?Table=Employees&Field=Photo&Record={0}&Offset=78
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