fpSpread1.Sheets[0].BackgroundImage = Image.FromFile("C:\\Program Files (x86)\\GrapeCity\\image.png");
fpSpread1.Sheets[0].BackgroundImageLayout = FarPoint.Win.Spread.SheetView.ImageLayout.Tile;
fpSpread1.ActiveSheet.DefaultStyle.BackColor = Color.Transparent;
fpSpread1.Sheets(0).BackgroundImage = Image.FromFile("C:\Program Files (x86)\GrapeCity\image.png")
fpSpread1.Sheets(0).BackgroundImageLayout = FarPoint.Win.Spread.SheetView.ImageLayout.Tile
fpSpread1.ActiveSheet.DefaultStyle.BackColor = Color.Transparent