Export pictures from MySQL database...

Private Sub lpSaveDocuments()

        Dim dsDocuments As DataSet
        Dim dsDoc As DataSet
        Dim intRowCnt As Integer

        Dim strSql As String = ""
        Dim strsqlDoc As String = ""

        Dim strFileName As String = ""
        Dim strDirPath As String = ""
        Dim strFilePath As String = ""

        strSql = <Outer SQL if needed>

        dsDocuments = GetMyimagesFromDB()
'GetMyimagesFromDB is a function that returns a dataset of images,image name ...etc
        Try

            If Not (dsDocuments Is Nothing OrElse dsDocuments.Tables.Count = 0 OrElse dsDocuments.Tables(0).Rows.Count < 1) Then

                'Open & Save Doc
                For intRowCnt = 0 To dsDocuments.Tables(0).Rows.Count - 1

                    strFileName = <File Name, It could be from database if present>

                    strFilePath = ""

                    Dim arrByteData() As Byte

                    strDirPath = <Path to the Directory where extracted file is to be saved>

                    strsqlDoc = <SQL for selecting the binary field>

                    dsDoc =  <Open the dataset>

                    If Not (dsDoc Is Nothing OrElse dsDoc.Tables.Count = 0 OrElse _
                        dsDoc.Tables(0).Rows.Count < 1) Then

                        arrByteData = dsDoc.Tables(0).Rows(0)("<Binary field name>")

                        strFilePath = String.Concat(strDirPath, strFileName)

                        Dim fs As System.IO.FileStream = _
                                New System.IO.FileStream(strFilePath, IO.FileMode.CreateNew, IO.FileAccess.ReadWrite)

                        Dim bw As System.IO.BinaryWriter = New System.IO.BinaryWriter(fs)

                        bw.Write(arrByteData)
                        bw.Flush()
                        bw.Close()

                        fs.Close()
                        fs.Dispose()

                    End If

                    If Not (dsDoc Is Nothing) Then
                        dsDoc.Dispose()
                    End If
                Next
            End If

            If Not (dsDocuments Is Nothing) Then
                dsDocuments.Dispose()
            End If

        Catch ex As Exception


        End Try

    End Sub

Select allOpen in new window