Android Question insert and read image with blob on server mysql database

Hi,all i need help for insert and read image with blob need help.
thanks.

'''''''''''This is insert Code
Dim Query As String
Dim InputStream1 As InputStream

InputStream1 = File.OpenInput(Dir, FileName)
Dim OutputStream1 As OutputStream
OutputStream1.InitializeToBytesArray(1000)
File.Copy2(InputStream1, OutputStream1)
Dim Buffer() As Byte 'declares an empty array
Buffer = OutputStream1.ToBytesArray

If Success Then
IV.SetBackgroundImage(LoadBitmap(Dir,FileName))
Query = "Insert Into tblItem_Maintenance (Item_Picture) Values ('" & Array As Object(Buffer) & "') "
ExecuteRemoteQuery(Query,"")
Else

End If