VerticalGrid properties for the image can be set in the grid, such as a grid can read the picture, there are some questions ask you

1, read and display the images stored in the database, how is that with the flow, if not flow, then can get the image file address
?
2, how to read in the program run display images, can be from a database or from a local address,


For the above two questions could not find the corresponding attribute to set, or code to achieve, use value, this is the sort of data types?