LINQ sorting based on text a-001-002-003 this type to split sort the null value is placed in the last

Call

1list<string> data =Newlist<string>() {2                 "d-001-001-001","a-001-004-001","a-001-002-001",3                 "a-002-001-001","f-004-001-001","a-003-001-001",4                 "a-004-001-004","a-041-0401-031","" };5             varGF = ( fromEinchDataSelecte). (x = x,NewAlphanumericcomparer ()). ToList ();

Comparator

1    Public classalphanumericcomparer:icomparer<string>2     {3          Public intCompare (stringFirststringsecond)4         {5              intFirstnumber, Secondnumber;//define value type return values6             if(string. IsNullOrEmpty (first))7             {8                 return-1;9             }Ten             if(string. IsNullOrEmpty (second)) One             { A                 return-1; -             } -             //Split String the             string[] Firstarray = first. Split ('-'); -             string[] Secondarray = second. Split ('-'); -list<int> Intarray =Newlist<int>(); -             //Record comparison results +              for(inti =0; i < firstarray.length; i++) -             { +                 BOOLFirstisnumber =int. TryParse (Firstarray[i], outfirstnumber); A                 BOOLSecondisnumber =int. TryParse (Secondarray[i], outsecondnumber); at                 if(Firstisnumber &&secondisnumber) -                 { -                     //Number Comparison - Intarray.add (Firstnumber.compareto (Secondnumber)); -                 } -                 Else { in                     //Text comparison - Intarray.add (Firstarray[i]. CompareTo (Secondarray[i])); to                 } +             } -Intarray.reverse ();//Calculate the difference from the bottom of the number the             intval =0; *             //Get the difference ratio $              for(inti =0; i < Intarray.count; i++)Panax Notoginseng             { -Val + = intarray[i] * (i+1) *Ten; the             } +             returnVal; A         } the}

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LINQ sorting based on text a-001-002-003 this type to split sort the null value is placed in the last