Hi! I'm using Linq to query objects of a custom class within a collection. I display the results in a Silverlight 2 Beta 2 DataGrid. Basically the object holds two numeric values (receipt, expense) and others that are not affected. Imagine there's a certain amount of money to start from (that amount is being stored somewhere else) and we add receipts and expenses to increase or decrease that amount. I need to display the accumulated amount after each receipt/expense as in the following example: receipt
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