>namespace DSFactory >{ > public class DSFactory : DSFactoryBase > { > > > public DataSet GetDataSet(string sQuery) > { > DataSet oDataSet = new DataSet(); > IDbConnection oConnection = _GetConnection(); > IDbDataAdapter oAdapter = _GetDataAdapter(sQuery); > > oAdapter.Fill(oDataSet); > > return oDataSet; > > } > > } > > > public class DSFactoryBase > { > // Define exposed members > public bool bTrustedConnection = false; > public string sDatabase = ""; > public string sPassword = ""; > public string sServer = ""; > public string sUserName = ""; > public string sConnString = ""; > > int iConnectionType = 1; > > protected IDbConnection _GetConnection() > { > IDbConnection oConnection = null; > > switch (iConnectionType) > { > // Sql Data Provider > case 1: > oConnection = new SqlConnection(sConnString); > break; > > // OleDb Data Provider > case 2: > oConnection = new OleDbConnection(sConnString); > break; > > // ODBC Data Provider > case 3: > oConnection = new OdbcConnection(sConnString); > break; > > default: > break; > > } > return oConnection; > } > > > protected IDbDataAdapter _GetDataAdapter(string sQuery) > { > IDbDataAdapter oAdapter = null; > > switch (iConnectionType) > { > > // Sql Data Provider > case 1: > oAdapter = new SqlDataAdapter(sQuery, sConnString); > break; > > // OleDb Data Provider > case 2: > oAdapter = new OleDbDataAdapter(sQuery, sConnString); > break; > > // ODBC Data Provider > case 3: > oAdapter = new OdbcDataAdapter(sQuery, sConnString); > break; > > default: > break; > > } > return oAdapter; > } > > } >} >