Using AJAX Control Toolkit AutoCompleteExtender In ASP.NET 4.5 Web Forms
Hello all,  I have posted in VBForums codebank on how to integrate Ajax Toolkit's AutoCompleteExtender control in your ASP.NET 4.5 Web Forms project. The thread is in VB.NET but if your using C# just replace the code behind as described in Step 4 with the snippet below.  Code Behind  private  static  AdventureWorks2012Entities _context;  [ScriptMethod()] [WebMethod] public  static  List< string > GetCountries( string  prefixText, int  count) {  _context = new  AdventureWorks2012Entities();   var  result = ( from  country in  _context.CountryRegions.AsEnumerable()       where  country.Name.ToLower().StartsWith(prefixText, StringComparison.OrdinalIgnoreCase)       select  country.Name).Take(count);   return  result.ToList(); }  [ScriptMethod()] [WebMethod] public  static  object  GetCountryInfo( string  Country) {  _context = new  AdventureWorks2012Entities();   var  result = ( from  country in  _context.CountryRegions.AsEnumerable()       where  country.Name.ToLower().Equals(C...