private void LoadActivityData(int supportTicketId, int companyId)
        {
            SupportTicketInformationActivityInformation supportTicketInformationActivityInformation = new SupportTicketInformationActivityInformation();
            supportTicketInformationActivityInformation.LoadAllBySupportTicketId(supportTicketId, companyId);
            int lastRefId = supportTicketInformationActivityInformation.GetLastAssignedUserRefId();

            SupportTicketInformationActivityInformationGateway supportTicketInformationActivityInformationGateway = new SupportTicketInformationActivityInformationGateway(supportTicketInformationActivityInformation.Data);
            supportTicketInformationActivityInformationGateway.LoadAllBySupportTicketId(supportTicketId, companyId);

            if (supportTicketInformationActivityInformationGateway.Table.Rows.Count > 0)
            {
                // For last assigned user
                tbxAssignedUser.Text = supportTicketInformationActivityInformationGateway.GetEmployeeFullName(supportTicketId, lastRefId);
                hdfAssignedUser.Value = supportTicketInformationActivityInformationGateway.GetEmployeeID(supportTicketId, lastRefId).ToString();
            }
        }
 // ////////////////////////////////////////////////////////////////////////
 // PUBLIC METHODS
 //
 /// <summary>
 /// LoadAllBySupportTicketId
 /// </summary>
 /// <param name="supportTicketId">supportTicketId</param>              
 /// <param name="companyId">companyId</param>
 public void LoadAllBySupportTicketId(int supportTicketId, int companyId)
 {
     SupportTicketInformationActivityInformationGateway supportTicketInformationActivityInformationGateway = new SupportTicketInformationActivityInformationGateway(Data);
     supportTicketInformationActivityInformationGateway.LoadAllBySupportTicketId(supportTicketId, companyId);
 }