My Solution Is:
store file path string of image in text Column. like 'C:\Scans\image1.jpg'
and in win form use
System.Drawing.Image img = System.Drawing.Image.FromFile(FilepathString);
and use picturebox control to show image
PictureBox p = new PictureBox();
p.Image = img;
if you want to show image in external application use Process Class and
pass the FilepathString as Argument of Application
sample:
System.Diagnostics.Process.Start("mspaint.exe", "\"" + FilepathString + "\"");