Implementing a presence icon in asp.Net grid in a Visual WebPart

<tr>

<td align="left" valign="top">

              <asp:GridView ID="grdTeamInfo" runat="server"CssClass="TMGrid" GridLines="None" CellPadding="0" CellSpacing="0"AutoGenerateColumns="false" >

                 <Columns>

                    <asp:TemplateField HeaderText="Team Member Name">

                       <ItemTemplate>

                           <asp:Label ID="lblEmployeeName" runat="server"Text='<%# Eval("userPresence")%>'>

                           </asp:Label>

                       </ItemTemplate>

                    </asp:TemplateField>

                    <asp:BoundField DataField="Role" HeaderText="Role" />

                                   

                 </Columns>

              </asp:GridView>

       </td>

 </tr>

List<TeamMembers> lstTeamMembers;

//Get the team members user presence                           

     lstTeamMembers = GetUserPresence(dsProjectInfo);

                            

     if (lstTeamMembers.Count > 0)

     {

       grdTeamInfo.DataSource = lstTeamMembers;

       grdTeamInfo.DataBind();

                               

     }

GetUserPresence()

{ 

SPSecurity.RunWithElevatedPrivileges(delegate()

{

  //Populate Team Members

  TeamMembers objTeamMembers;

  UserProfile up_TeamMember = null;

  string empId;

  for (int i = 0; i < dsProjectInfo.Tables[1].Rows.Count; i++)

  {

       try

       {

                           

              empId = (dsProjectInfo.Tables[1].Rows[i]["Employee name"].ToString());

              if (!string.IsNullOrEmpty(empId))

                     up_TeamMember = GetUserProfileByEmployeeID(SPContext.Current.Site.Url,empId);

                     if (up_TeamMember != null)

                     {

                           objTeamMembers = new TeamMembers();

                           objTeamMembers.EmpID = dsProjectInfo.Tables[1].Rows[i]["Employee name"].ToString();

strEmail = (up_TeamMember[PropertyConstants.WorkEmail]. ToString                                objTeamMembers.EmpEmail = strEmail;                               

                                strFirstName = up_TeamMember.DisplayName;

                                strHtm = "<span><img border=\"0\" height=\"12\" src=\"/_layouts/images/imnhdr.gif\" onload=\"IMNRC('" + strEmail + "')\" ShowOfflinePawn=\"1\" alt=\"\" id=\"user_presence_icon" + i + "\"/></span>";

                                objTeamMembers.userPresence = strHtm + " "+ strFirstName + " " + strLastName;

                                objTeamMembers.Role = (dsProjectInfo.Tables[1].Rows[i]["Role"].ToString());

                                lstTeamMembers.Add(objTeamMembers);

                            }

                           

                        }

                        catch (Exception ex)

                        {

                            errorLogger.LogException("ERROR OCCURED WHILE PROCESSING - GetUserPresence : FOR LOOP" + ex.ToString());

                            continue;

                        }

                    }

                });

}