sql数据库常用操作

 string connectionString = @"Data Source=(local)\sql2008r2;Initial Catalog=Movies;Uid=sa;Pwd=sql123$%^";
             SqlConnection conn = new SqlConnection();
             conn.ConnectionString = connectionString;
             conn.Open();
             string query = "select *from Movies";
             DataSet ds = new DataSet();
             SqlDataAdapter sda = new SqlDataAdapter(query,conn);
             sda.Fill(ds,"MoviesList");
             this.dataGridView1.DataSource = ds.Tables[];
             conn.Close();