How to convert blob column contain 2 image format

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I have column contain 2 format of image as blob when convert and display only one appear and the the other get MESSAGE " parameter ERROR"

Dim bytBLOBData() As Byte = DataSet11.Tables("PORT_IMAGE").Rows(c - 1)("P_IMAGE")
Dim stmBLOBData As New MemoryStream(bytBLOBData)
PictureBox1.Image = Image.FromStream(stmBLOBData)

at System.Drawing.Image.FromStream(Stream stream, Boolean useEmbeddedColorManagement, Boolean validateImageData)
at System.Drawing.Image.FromStream(Stream stream)
at PHOTOSMATCH.Form4.Button1_Click(Object sender, EventArgs e) in E:\PHOTOSMATCH\PHOTOSMATCH\Form4.vb:line 33
at System.Windows.Forms.Control.OnClick(EventArgs e)
at System.Windows.Forms.Button.OnClick(EventArgs e)

What I have tried:

vb code convert blob column with different image format using vs2010 widows application and db2

Posted 12-Oct-20 5:23am

Gehan Wafy

Updated 12-Oct-20 10:41am

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Patrice T 12-Oct-20 11:30am

line of error ?

Patrice T 12-Oct-20 13:47pm

Use Improve question to update your question.
So that everyone can pay attention to this information.

2 solutions

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OriginalGriff · Answer 1 · 2020-10-12T06:26:00

Solution 1

Start here: Why do I get a "Parameter is not valid." exception when I read an image from my database?[^]

Posted 12-Oct-20 6:26am

OriginalGriff

Gerry Schmitz · Answer 2 · 2020-10-12T10:41:00

Solution 2

Which "format" "works" and which doesn't? (Useful detail you left out). I'll guess it's either color or B&W. And since you seems to be using "color settings" in your methods, maybe you need different settings based on "color".

Posted 12-Oct-20 10:41am

Gerry Schmitz

Comments

Gehan Wafy 1-Nov-20 22:07pm

all image start with 0000000C6A502 can not be displayed give me error Parameter not valid
all image start with FFD8FFE00010 display with no error