public virtual void ChangeMemberRole(HttpContext context) { YZRequest request = new YZRequest(context); int groupid = request.GetInt32("groupid"); string uid = request.GetString("uid"); string newrole = request.GetString("newrole"); using (IYZDbProvider provider = YZDbProviderManager.DefaultProvider) { using (IDbConnection cn = provider.OpenConnection()) { GroupManager.ChangeMemberRole(provider, cn, groupid, uid, newrole); } } }