https://www.c-sharpcorner.com/articles/Articles from C# Corner© 1999 - 2026 CSharp Inc. All contents are copyright of their authors.This article gives you an idea about how to check if there is any alphabet or non alphanumeric character in a sttring just with the help of one metthod using regular expressions in C#.https://www.c-sharpcorner.com/UploadFile/prasoonk/how-to-check-if-there-is-any-alphabet-or-non-alphanumeric-character-in-a-string/https://www.c-sharpcorner.com/UploadFile/prasoonk/how-to-check-if-there-is-any-alphabet-or-non-alphanumeric-character-in-a-string/Tue, 23 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )C# Guid. A GUID (Global Unique IDentifier) is a 128-bit integer used as a unique identifier. Learn how to create a GUID in C# and .NET using C# Guid class.https://www.c-sharpcorner.com/UploadFile/prasoonk/guids-in-C-Sharp-and-net/https://www.c-sharpcorner.com/UploadFile/prasoonk/guids-in-C-Sharp-and-net/Thu, 18 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This article gives you an idea how to utilize Parallel Extension to Linq or PLINQ.https://www.c-sharpcorner.com/uploadfile/prasoonk/parallel-extension-to-linq/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/parallel-extension-to-linq/default.aspxThu, 18 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )Custom Overload for ExecuteNonQuery Method.https://www.c-sharpcorner.com/uploadfile/prasoonk/custom-overload-for-executenonquery-method/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/custom-overload-for-executenonquery-method/default.aspxThu, 18 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This tutorial will try to explain difference between Abstract Class and interface theoratically and programitically both ways.https://www.c-sharpcorner.com/uploadfile/prasoonk/abstract-class-vs-interface/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/abstract-class-vs-interface/default.aspxWed, 10 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This tutorial gives the idea of Parallel Extension being built by Microsoft to many of its existing features.https://www.c-sharpcorner.com/uploadfile/prasoonk/parallel-extension-in-net/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/parallel-extension-in-net/default.aspxWed, 10 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )Abstract classes provide a partial implementation with the option for subclasses to extend, while interfaces define a contract without implementation, allowing multiple inheritance. Abstract classes shttps://www.c-sharpcorner.com/UploadFile/prasoonk/abstract-class-vs-interface/https://www.c-sharpcorner.com/UploadFile/prasoonk/abstract-class-vs-interface/Wed, 10 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )Whenever we want that a class has only one instance and it should have global point to access it but allowing the flexibility to create more objects if the situation changes,in that case we will use Singleton Design Pattern.https://www.c-sharpcorner.com/uploadfile/prasoonk/singleton-design-patterns-in-C-Sharp/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/singleton-design-patterns-in-C-Sharp/default.aspxMon, 08 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This article gives you an idea how we can use Nullable Type in C#.https://www.c-sharpcorner.com/uploadfile/prasoonk/getting-started-with-nullable-types-in-C-Sharp/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/getting-started-with-nullable-types-in-C-Sharp/default.aspxMon, 08 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )A C# nullable type is a data type that contains the defined data type or the value of null. This article explains the use of C# Nullable Types. https://www.c-sharpcorner.com/UploadFile/prasoonk/getting-started-with-nullable-types-in-C-Sharp/https://www.c-sharpcorner.com/UploadFile/prasoonk/getting-started-with-nullable-types-in-C-Sharp/Mon, 08 Jun 2009 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This article gives you an idea for sorting a Hashtable.https://www.c-sharpcorner.com/uploadfile/prasoonk/hashtable-sorting/default.aspxhttps://www.c-sharpcorner.com/uploadfile/prasoonk/hashtable-sorting/default.aspxSun, 31 Aug 2008 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )This article gives you an idea for sorting a Hashtable.https://www.c-sharpcorner.com/UploadFile/prasoonk/hashtable-sorting/https://www.c-sharpcorner.com/UploadFile/prasoonk/hashtable-sorting/Sun, 31 Aug 2008 00:00:00 GMTnoreply@c-sharpcorner.com (Prasoon )