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ADO.NET

ADO.NET. Doug Waterman Fox Valley Technical College. How do we connect?. How do we connect?. ADO.NET. Connection. Connection. .Connection String. UserName Password DataProvider. Command. Command . CommandText (SQL) . CommandType .Connection. Connection. .Connection String.

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ADO.NET

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  1. ADO.NET Doug Waterman Fox Valley Technical College

  2. How do we connect?

  3. How do we connect? ADO.NET

  4. Connection Connection .Connection String UserName Password DataProvider

  5. Command Command .CommandText (SQL) .CommandType .Connection Connection .Connection String UserName Password DataProvider

  6. DataAdapter D DataAdapter SelectCommand .CommandText (SQL) .CommandType .Connection Connection InsertCommand .CommandText (SQL) .CommandType .Connection Connection UpdateCommand .CommandText (SQL) .CommandType .Connection Connection DeleteCommand .CommandText (SQL) .CommandType .Connection Connection

  7. Data Layer DataSetor DataTable Data Layer Object DataAdapter IndividualData Requests Command Command

  8. DataSet In-memory cache of data retrieved from a data source May contain 0-X DataTables Also has methods for dealing with the DataTables

  9. DataTable Represents one table of in-memory data. May be stand-alone or in a DataSet. Caches current and original data. Has methods and events for dealing with the data.

  10. DataSet DataTable(0) DataTable(1) In-memory cache of data retrieved from a data source May contain 0-X DataTables Also has methods for dealing with the DataTables

  11. Data Provider Framework

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