getCon();　//连接数据库的方法
        int id = 35;
SqlParameter[] par = new SqlParameter[2];
par[0] = new SqlParameter("@id", SqlDbType.Int);
par[0].Value = id;
par[1] = new SqlParameter("@count", SqlDbType.Int);
par[1].Direction = ParameterDirection.Output;　//设置为输出参数
        SqlHelper.ExecuteNonQuery(con, CommandType.StoredProcedure,
"getChildCount", par);
this.Label1.Text = par[1].Value.ToString();　//接收输出的参数

create proc getChildCount
@id int,
@count int output
as
　select @count=babycount from yangsCMS_Article_Class　where id=@id order by treekey