Custom people picker control set data

  <span class="formlable">
                    <spuc:PeopleEditor ID="pplAssignedTo" runat="server"  AllowEmpty="true" MultiSelect="false" SelectionSet="User" />
                </span>


   string primaryUser = string.Empty;

                if (pplAssignedTo.ResolvedEntities.Count > 0)
                {
                    PickerEntity pickerEntity = (PickerEntity)pplAssignedTo.ResolvedEntities[0];
                    primaryUser = pickerEntity.Key;
                    SPUser user = SPContext.Current.Web.EnsureUser(primaryUser);
                    oCurrentItem[Const.QA_DOC_REVIEWER] = user.ID;
                }