Hi everyone,
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I have a distributed application with some GUI, business objects and� some dataaccess code all separated. When editing the details of the business objects the objects properties are placed in textboxes and the like on the screen, the user changes the values and clicks a save button. The save button sets all the properties of the BO and then calls a Save method on the BO. This all seems fine and makes sense to me. However, the GUI designer has requested something that I cannot find a logical way to accomplish.
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Say I am modeling a library and I have shelf objects and book objects. Books can exist regardless of shelves and shelves can exist regardless of books. Let's say a shelf has properties of� row and section and contains a collection of books. Now if I am editing� details for a� shelf I may change the row and/or section (assuming the shelf can be moved ...
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