Loading byte data to a picture box

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I have saved an image in database using following code.

ofd.ShowDialog()
vrPicHolder = IO.File.ReadAllBytes(ofd.FileName)
Dim drPic As DataRow
drPic = DsPic.tblPicTest.NewRow
drPic.Item("Picture") = vrPicHolder
DsPic.tblPicTest.Rows.Add(drPic)
taPic.Update(DsPic.tblPicTest)

Now I want to display this image in a picture box. I tried

PictureBox1.Image = Image.FromFile(vrPicHolder)

But it says can not convert Byte() to string. Please advise how to load this picture. Thanks Furqan

Posted 28-Jul-11 22:14pm

Furqan Sehgal

Updated 28-Jul-11 22:33pm

walterhevedeich

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OriginalGriff · Accepted Answer · 2011-07-28T22:26:00

Solution 1

You don't want to try to read the file again - you saved the file content, not it's name so it's can't be opened and you don't want to convert it to a string. You want to convert it to an Image.

Dim ms As New MemoryStream(vrPicHolder)
PictureBox1.Image = Image.FromStream(ms)

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Posted 28-Jul-11 22:26pm

OriginalGriff

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Furqan Sehgal 29-Jul-11 4:17am

Thank you very much.
please also advise how to call it in SSRS. From file I could use expression
=file://image.jpg
what about stream?

OriginalGriff 29-Jul-11 4:24am

That is probably a new question - but have a look at google, and here: http://kiavashshakibaee.blogspot.com/2008/07/display-database-image-in-ssrs-from.html

Furqan Sehgal 29-Jul-11 5:48am

Problem in your above code
Dim ms As New MemoryStream(vrPicHolder)
PictureBox1.Image = Image.FromStream(ms)

Overload resolution error is being given on ms
I also added Imports System.IO

OriginalGriff 29-Jul-11 5:51am

Do you import System.Drawing?

Furqan Sehgal 29-Jul-11 7:03am

Yes I did. Error on ms is

Overload resolution failed because no accessible 'New' can be called without a narrowing conversion:
'Public Sub New(buffer() As Byte)': Argument matching parameter 'buffer' narrows from 'Object' to '1-dimensional array of Byte'.
'Public Sub New(capacity As Integer)': Argument matching parameter 'capacity' narrows from 'Object' to 'Integer'. D:\VS2008\PicToDatabase\PicToDatabase\Form1.vb 21 13 PicToDatabase

OriginalGriff 29-Jul-11 7:09am

Ah! It's the declaration of vrPicHolder - cast it to byte array and it should be fine.

Furqan Sehgal 29-Jul-11 9:42am

It works ! thanks sir

OriginalGriff 29-Jul-11 9:48am

You are welcome!

Loading byte data to a picture box

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Loading byte data to a picture box

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