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Loading image from DB

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By: Raj - rajs1

Loading image from DB

2002-09-19 09:18

I am new to Jasper so please bear with me.


I need to retrieve an image (gif) from the DB and insert it into the report.


Ideally I would like to add it as a parameter at run time (map it to a variable name) so that the XML will just have a placeholder such as ${Logo}.


Is this possible? How?






By: Teodor Danciu - teodord

RE: Loading image from DB

2002-09-24 07:17




The only thing you have to do is to declare a report field of type java.io.InputStream that will point to the table column that stores the GIF files.


Then, in the <imageExpression> tag you use this field directly like this:


<imageExpression class="java.io.InputStream">$F{MyImageField}</imageExpression>


I have tried it once and it worked. perfectly.


I hope this helps.


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