Description: Case 1: Using ADO.Net to achieve Universal Database Programming 1 case 2: achieve universal database using ADO.Net programming 2 Case 3: Using DataSet to the database to operate one case 4: Use DataSet to the database 2 Case 5: the use of connect to database DataGrid Case 6: In the SQL Server stored display picture Case 7: In the ACESS 2000 store display picture
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