C#执行存储过程并将结果填充到GridView的方法

SelectSql sq = new SelectSql();
SqlConnection conn = new SqlConnection(sq.lc);
conn.Open();
SqlDataAdapter rd = new SqlDataAdapter();
DataSet ds=new DataSet();
SqlCommand sqlcom = new SqlCommand("dbo.selectjf",conn);
sqlcom.Parameters.Add("@name", SqlDbType.VarChar,20).Value = NameText.Text;
sqlcom.Parameters.Add("@sfzh",SqlDbType.VarChar,30).Value = SfText.Text;
sqlcom.CommandType = CommandType.StoredProcedure;
rd.SelectCommand = sqlcom;
rd.Fill(ds);
GridView1.DataSource = ds;
GridView1.DataBind();
conn.Close();
ds.Dispose();
rd.Dispose();