单项选择题 You are creating a Windows Forms application for inventory management by using the .NET Framework 3.5.The application provides a form that allows users to maintain stock balances. The form has the following features: (1)A dataset named dsStockBalance to store the stock information (2)A business component named scInventory. The scInventory component provides a method named Save. You need to ensure that only the modified stock balances of dsStockBalance are passed to the scInventory Save method. Which code segment should you use?()
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