C # Data export to Excel method summary see red part

 Public voidServiceorderexport (stringdata) {StringBuilder SB=NewStringBuilder (); Type EntityType=NULL; ; Propertyinfo[] Entityproperties=NULL; varinput = data. Deserializeobject<structserviceorder>(); using(varContext =srvdbhelper.datacontext) {sb. Remove (0, sb.                Length); varResults =context. Usp_srv_checkserviceorder (input. Serviceorderid, input. Acceptway, input. StatusCode, input. Description, input. Onelevelsortid, input. Twolevelsortid, input. Threelevelsortid, input. Ainsno, input. Acompanyname, input. Adepartmentid, input. Asectionid, input. AName, input. Cinsno, input. Ccompanyname, input. Cdepartmentid, input. Csectionid, input. Creatorname, input. Hinsno, input. Hcompanyname, input. Hdepartmentid, input. Hsectionid, input. Hname, input. CreateDate1, input. CreateDate2, input. FinishDate1, input. FinishDate2, input. Overduestatus1,input.                OVERDUESTATUS2); List<Usp_SRV_CheckServiceOrderResult> Entitys =NULL; if(Input. Hname! =NULL) {Entitys= ( fromIteminchResultswhereItem. Processing Person! =NULL                               Selectitem).                ToList (); }                Else{Entitys=results.                ToList (); }                //Check Entity collection cannot be empty                if(Entitys = =NULL|| Entitys. Count <1)                {                    return; }                //Remove all Propertie from the first entityEntityType = entitys[0].                GetType (); Entityproperties=entitytype.getproperties ();  for(inti =0; i < entityproperties.length; i++) {sb. Append (Entityproperties[i].                    Name); Sb. Append (","); } sb. Remove (sb.) Length-1,1); Sb. Append ("\ r \ n"); //Add all of the entity to the DataTable                foreach(ObjectEntityinchentitys) {                    //Check that all entities are of the same type                    if(Entity. GetType ()! =EntityType) {                        Throw NewException ("the collection element type to be converted is inconsistent"); }                    Object[] Entityvalues =New Object[Entityproperties.length];  for(inti =0; i < entityproperties.length; i++)                    {                        Try{Entityvalues[i]= Entityproperties[i]. GetValue (Entity,NULL); Sb. Append ("\""+ HttpContext.Current.Server.HtmlDecode (Entityvalues[i]. ToString (). Replace ("\"","\"\""). Replace ("\ n", Environment.NewLine). Replace ("<BR>", Environment.NewLine)) +"\""); Sb. Append (","); }                        Catch{Entityvalues[i]=string.                            Empty; Sb. Append ("\""+ Entityvalues[i]. ToString () +"\""); Sb. Append (","); }} sb. Remove (sb.) Length-1,1); Sb. Append ("\ r \ n");                } HttpResponse resp; Resp=System.Web.HttpContext.Current.Response; Resp. Charset="GB2312"; Resp. ContentEncoding= System.Text.Encoding.GetEncoding ("GB2312"); Resp. Appendheader ("content-disposition","attachment;filename="+string. Format ("{0:YYYYMMDDHHMMSS}", DateTime.Now) +". csv"); Resp.                Write (SB); Resp.            End (); }        }

C # Data export to Excel method summary see red part