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Image byte array

Posted on 2014-01-03
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Last Modified: 2014-02-11
In the code below to load an image to a datarow i would like to understand why i need create a memory stream and then convert to byte array.
 Dim ms As System.IO.MemoryStream = New System.IO.MemoryStream
                PicLogotipo.Image.Save(ms, PicLogo.Image.RawFormat)
                datarow1("Logo") = ms.ToArray

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Question by:rflorencio
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by:Éric Moreau
ID: 39753465
what are you doing with the datarow/table? I have seen situation where it was the only way to provide image. My scenario was with Crystal Reports.
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by:rflorencio
ID: 39753511
To save in database and retrieve to a picturebox.
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by:Éric Moreau
Éric Moreau earned 400 total points
ID: 39753609
an image is not something that can be saved into a database as is. You have to convert it to a Stream it first. This is exactly what this code is doing.
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CodeCruiser earned 1600 total points
ID: 39754896
I think you may be able to get away with following

datarow1("Logo") = IO.File.ReadAllBytes("FilePath")
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by:Ark
ID: 39781211
Internals
ReadAllBytes is implemented in an obvious way. It uses the using-statement on a FileStream. Then it loops through the file and puts the bytes into an array.
:)
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