A SqlDataReader is good for reading data in the most efficient manner. We can not use it for writing data. We can read from SqlDataReader objects in a forward-only sequential manner. Once we have read some data, we must save it because we will not
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The ADO.NET DataSet contains DataTableCollection and their DataRelationCollection. It represents a collection of data retrieved from the Data Source. We can use Dataset in combination with DataAdapter Class.
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