// Load from blob
    aMemStream := TMemoryStream.create;
    try         
      aField.SaveToStream( aMemStream );
      aMemStream.Position := 0;
      LoadFromStream(aMemStream);
    finally
      aMemStream.free;
    end;


    // Save To Blob
    aMemStream := TMemoryStream.create;
    try
      SaveToStream(aMemStream, aFileType);
      aMemStream.Position := 0;

      aBlobStream := aField.DataSet.CreateBlobStream( aField, bmWrite );
      try
        aMemStream.SaveToStream(aBlobStream);
      finally
        aBlobStream.Free;
      end;

    finally
      aMemStream.free;
    end;

//Save data to DB here
  SQL := 'INSERT INTO [layouts] ([lay_book_type], [lay_orientation], [' +
     'lay_width], [lay_height], [lay_p_count], [lay_l_count], [lay_s_count], [' +
     'lay_data]) VALUES(';
  SQL := SQL + IntToStr(cboProductType.ItemIndex + 1) + ',';
  SQL := SQL + IntToStr(cboOrientation.ItemIndex + 1) + ',';
  SQL := SQL + txtPageWidth.Text + ',';
  SQL := SQL + txtPageHeight.Text + ',';
  SQL := SQL + txtPCount.Text + ',';
  SQL := SQL + txtLCount.Text + ',';
  SQL := SQL + txtSCount.Text + ',';

  LayData := '';

  for I := 0 to ievMain.ObjectsCount - 1 do
  begin
    ObjID := ievMain.GetObjFromIndex(I);
    LayData := LayData + IntToStr(ievMain.ObjLeft[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjTop[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjWidth[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjHeight[ObjID]) + #13;
  end;  //for I := 0 to ievMain.ObjectsCount - 1 do

  SQL := SQL + Chr(39) + LayData + Chr(39);
  SQL := SQL + ');';
  // Have to work out as to how to save a thumbnail of the whole image in DB using SQL statement.
  //Execute Query to insert Data in DB
  SQLConnection1.ExecuteDirect(SQL);
  LoadDataInGrid;

  ShowMessage('Layout saved in DB');

procedure TfrmMain.cmdSaveClick(Sender: TObject);
var
  I, ObjID: Integer;
  BookType, Orientation, LayWidth, LayHeight: Integer;
  PCount, LCount, SCount: Integer;
  LayData: String;
  SQL: String;

  ss: TStringStream;
  ms: TStream;
  ThumbnailString: String;
begin
  //First Validate data
  if cboProductType.ItemIndex < 0 then
  begin
    ShowMessage('Please select Product Type');
    cboProductType.SetFocus;
    Exit;
  end;
  if cboOrientation.ItemIndex < 0 then
  begin
    ShowMessage('Please select Orientation');
    cboOrientation.SetFocus;
    Exit;
  end;

  if StrToInt(txtPageWidth.Text) <= 0 then
  begin
    ShowMessage('Please Enter Page Width');
    txtPageWidth.SetFocus;
    Exit;
  end;

  if StrToInt(txtPageHeight.Text) <= 0 then
  begin
    ShowMessage('Please Enter Page Height');
    txtPageHeight.SetFocus;
    Exit;
  end;

  if ievMain.ObjectsCount = 0 then
  begin
    ShowMessage('There are not Layout Details to save');
    Exit;
  end;

  CalcObjOrientation; //Recalculate Obj Orientation

  ievMain.CopyObjectsToBack(true);

  if ievMain.IEBitmap.Width > ievMain.IEBitmap.Height then
    ievMain.Proc.Resample(50,-1,rfProjectBW,True)
  else
    ievMain.Proc.Resample(-1,50,rfProjectBW,True);

  ss := TStringStream.Create();
  ms := TMemoryStream.Create();

  //TIdDecoder.DecodeStream();

  ievMain.IO.SaveToStreamJpeg(ms);

  ms.Seek(0, soFromBeginning);

  ThumbnailString := TIdEncoderMIME.EncodeStream(ms);

  //ShowMessage(ThumbnailString);

  //Save data to DB here
  SQL := 'INSERT INTO [layouts] ([lay_book_type], [lay_orientation], [' +
     'lay_width], [lay_height], [lay_p_count], [lay_l_count], [lay_s_count], [' +
     'lay_data], [lay_preview]) VALUES(';
  SQL := SQL + IntToStr(cboProductType.ItemIndex + 1) + ',';
  SQL := SQL + IntToStr(cboOrientation.ItemIndex + 1) + ',';
  SQL := SQL + txtPageWidth.Text + ',';
  SQL := SQL + txtPageHeight.Text + ',';
  SQL := SQL + txtPCount.Text + ',';
  SQL := SQL + txtLCount.Text + ',';
  SQL := SQL + txtSCount.Text + ',';

  LayData := '';

  for I := 0 to ievMain.ObjectsCount - 1 do
  begin
    ObjID := ievMain.GetObjFromIndex(I);
    LayData := LayData + IntToStr(ievMain.ObjLeft[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjTop[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjWidth[ObjID]) + ',';
    LayData := LayData + IntToStr(ievMain.ObjHeight[ObjID]) + #13;
  end;  //for I := 0 to ievMain.ObjectsCount - 1 do

  SQL := SQL + Chr(39) + LayData + Chr(39) + ',';
  SQL := SQL + Chr(39) + ThumbnailString + Chr(39);

  SQL := SQL + ');';

  //Execute Query to insert Data in DB
  SQLConnection1.ExecuteDirect(SQL);
  LoadDataInGrid;

  ShowMessage('Layout saved in DB');

end;

IdCoder, IdCoderMIME