/// <summary>
        /// SendEmail
        /// </summary>
        /// <param name="toEmployeeIds"></param>
        /// <returns></returns>
        private bool SendEmail(List <int> toEmployeeIds)
        {
            var res = false;

            string subjectEmail = ConfigurationDAL.GetValue(this.SiteUrl, DelegationEmailTemplateSubjectKey);
            string delegationBodyEmailTemplate = ConfigurationDAL.GetValue(this.SiteUrl, DelegationEmailTemplateKey);
            DelegationEmailTemplate delegationEmailTemplate = InitDelegationEmailTemplateObject();
            string body = BuildBodyEmail(delegationEmailTemplate, delegationBodyEmailTemplate);

            res = SendEmail(toEmployeeIds, subjectEmail, body);

            return(res);
        }
        /// <summary>
        /// BuildBodyEmail
        /// </summary>
        /// <param name="DelegationEmailTemplateObject"></param>
        /// <param name="delegationBodyEmailTemplate"></param>
        /// <returns></returns>
        private string BuildBodyEmail(DelegationEmailTemplate DelegationEmailTemplateObject, string delegationBodyEmailTemplate)
        {
            var body = string.Empty;

            try
            {
                BasicEvaluationContext basicEvaluationContext = new BasicEvaluationContext();
                basicEvaluationContext.Objects["DelegationEmailTemplate"] = DelegationEmailTemplateObject;
                body = basicEvaluationContext.Eval <string>(delegationBodyEmailTemplate);
            }
            catch (Exception ex)
            {
                ULSLogging.LogError(ex);
            }

            return(body);
        }
        /// <summary>
        /// InitDelegationEmailTemplateObject
        /// </summary>
        /// <returns></returns>
        private DelegationEmailTemplate InitDelegationEmailTemplateObject()
        {
            DelegationEmailTemplate delegationEmailTemplateObject = new DelegationEmailTemplate();

            StringBuilder receiversBuilder = new StringBuilder();

            foreach (ListItem listItem in this.ddlToEmployee.Items)
            {
                if (listItem.Selected)
                {
                    receiversBuilder.AppendFormat("{0}, ", listItem.Text);
                }
            }
            delegationEmailTemplateObject.Receivers    = receiversBuilder.ToString();
            delegationEmailTemplateObject.FromEmployee = ddlFromEmployee.SelectedItem.Text;
            delegationEmailTemplateObject.FromDate     = this.dtFromDate.SelectedDate.Date.ToString(DateFormatddMMyyyy2);
            delegationEmailTemplateObject.ToDate       = this.dtToDate.SelectedDate.Date.ToString(DateFormatddMMyyyy2);
            delegationEmailTemplateObject.AccessLink   = string.Format("{0}/_layouts/15/RBVH.Stada.Intranet.WebPages/DelegationManagement/DelegationList.aspx?{1}={2}", this.SiteUrl, DelegationListUserControl.TabParamName, DelegationListUserControl.DelegationsApprovalTabId);
            return(delegationEmailTemplateObject);
        }