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I have applied the recommended solution for the GDI+ error from here:

A generic error occurred in GDI+, JPEG Image to MemoryStream

I still does not work for jpeg and jpg files, but works fine for all png

See my actual code below:

            Dim fl = uploader.PostedFile.FileName.ToLower

            If fl.EndsWith(".png") OrElse fl.EndsWith(".jpeg") OrElse fl.EndsWith(".jpg") Then
                Using ms = New MemoryStream(uploader.FileBytes)
                    Using i = Drawing.Image.FromStream(ms)
                        i.Save(ms, If(fl.EndsWith(".png"), System.Drawing.Imaging.ImageFormat.Png, System.Drawing.Imaging.ImageFormat.Jpeg))
                        Dim sig = Convert.ToBase64String(ms.ToArray())
                        Dim code = Trim(txtStaff.Text).PadLeft("00000000")
                        DB.rw_signature_save(code, sig)
                    End Using
                End Using

                BuildSignatureList()

                statusBox.Attributes("class") = "notification success"
                statusBox.InnerHtml = "Signature updated succesfully"
            Else
                statusBox.Attributes("class") = "notification warning"
                statusBox.InnerHtml = "Only <b>Image</b> ( <font color='green'>.png, .jpg </font> ) files allowed."
            End If

Please is there any other solution to this besides the one linked to above? Thanks.

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Charles Okwuagwu
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1 Answers1

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just realized this is actually all unnecesary. I can go straight from uploader.FileBytes to Convert.ToBase64String

Dim sig = Convert.ToBase64String(uploader.FileBytes)
Charles Okwuagwu
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