Step towards SharePoint

ClientContext context = new ClientContext ( ApplicationContext .Current.Url);     context.Load(context.Web);   List Projects = context.Web.Lists.GetByTitle( "Opportunity Financial Data" );   context.Load(Projects);              CamlQuery query = new Microsoft.SharePoint.Client. CamlQuery ();   string startDateFx = FirstDate.ToString( "yyyy-MM-dd" );   string endDatFx = LastDate.ToString( "yyyy-MM-dd" );   camlQueryXml = "<View><Query><Where><And><Geq><FieldRef Name='Created' /><Value IncludeTimeValue='FALSE' Type='DateTime'>" + startDateFx + "</Value></Geq><Leq><FieldRef Name='Created' /><Value IncludeTimeValue='FALSE' Type='DateTime'>" + endDatFx + "</Value></Leq></And></Where></Query></View>" ;   query.ViewXml = camlQueryXml;   _financi...

int cityTotals = cities . GroupBy ( c => c . City ) . Select ( grp => new { City = grp . Key , Total = grp . Sum ( c => c . Total ) }) . Where ( c => c . Total > 20 ) . Sum ( c => c . Total );

var RBPurpose = document.getElementById( " <% =rtbPurposes.ClientID %> " ); var radio1 = RBPurpose.getElementsByTagName( "input" );      for ( var i = 0; i < radio1.length; i++) {                 if (radio1[i].checked) {                     break ;                 }                 else {                     ErrorMsg = "Fields marked with (*) cannot be left blank" ;                 }             } ...

public void CreateFolder( string LibraryName, string folderName)         {             SPSecurity .RunWithElevatedPrivileges( delegate ()               {                   using ( SPSite osite = new SPSite ( SPContext .Current.Site.Url))                   {                       using ( SPWeb oweb = osite.OpenWeb())                       {                 ...