????//???dataGridView??????????
stringstr="server=.;database=booksdata;userid=sa;pwd=sa";
stringstrcom="SELECT*FROMdbo.Books";
SqlDataAdaptersda=newSqlDataAdapter(strcom??str);
DataSetds=newDataSet();
DataViewdv=newDataView();
sda.Fill(ds??"???????");
dv.Table=ds.Tables[0];
dataGridView1.DataSource=dv;
dv.Sort="priceDesc";
dv.RowFilter="price>90";
????????Ч??????￡?