Creating GUIDs in c #

What is a GUID

For those of you who dont know, a GUID (pronounced gooid-Globally unique identifier) is a 128-bit integer that can be used to uniquely identify something. you may store users or products in your database and you want somehow uniquely identify each row in the database. A common approach is to create a autoincrementing integer, another way wocould be to create a GUID for your products.

How to create a GUID in C #

The GUID method can be found in the System namespace. The GUID method System. Guid. NewGuid () initializes a new instance of the GUID class.

There are also a few overloads available for those of you who want the GUID formatted in a special fashion.

The following live sample will output the GUID generated, the source code is also below.

Response. Write (@ "<br> System. Guid. NewGuid (). ToString () =" + System. Guid. NewGuid (). ToString ());
Response. write (@ "<br> System. guid. newGuid (). toString ("" N "") = "+ System. guid. newGuid (). toString ("N "));
Response. write (@ "<br> System. guid. newGuid (). toString ("" D "") = "+ System. guid. newGuid (). toString ("D "));
Response. write (@ "<br> System. guid. newGuid (). toString ("" B "") = "+ System. guid. newGuid (). toString ("B "));
Response. write (@ "<br> System. guid. newGuid (). toString ("" P "") = "+ System. guid. newGuid (). toString ("P "));