void BindPolForClient(int clientID) { DateTime startDate = DateTime.Parse(tbStartDate.Text); DateTime endDate = DateTime.Parse(tbEndDate.Text); List <PolicyItem> lstPolPerClient = PolicyItem.GetForGroupFactures(startDate, endDate, clientID); List <FactureInfo> lstFacInfo = new List <FactureInfo>(); foreach (PolicyItem pi in lstPolPerClient) { FactureInfo fi = new FactureInfo(); fi.ID = pi.ID; fi.PolicyNumber = pi.PolicyNumber; fi.IsForFacturing = true; fi.PremiumValue = pi.PremiumValue; lstFacInfo.Add(fi); } listNewFactureInfos = lstFacInfo; gvNewPolicies.DataSource = lstFacInfo; gvNewPolicies.DataBind(); }