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Generate GUID from clientside using Javascript

Posted By:nishithraj       Posted Date: December 24, 2009    Points: 10    Category: Javascript    URL: http://www.dotnetspark.com  

Generating GUId from .NET is very easy process.

As it requires only one line of code we can generate it easily from server side.

But how about the guid generation is requierd from the clientside.

The below code will help you to achieve this

function GenerateGuidfrmJavascript() 
      var guid=GenerateGUID()+GenerateGUID()+"-"+GenerateGUID()+"-"+GenerateGUID()+"-"+GenerateGUID()+"-"+GenerateGUID()+GenerateGUID()+GenerateGUID(); 
      return ValidateGuid(guid); 
   catch (e) 
      var g = ""; 
      for(var i = 0; i < 32; i++) 
         g += Math.floor(Math.random() * 0xF).toString(0xF) + (i == 8 || i == 12 || i == 16 || i == 20 ? "-" : "") 
      return ValidateGuid(g) ; 


function GenerateGUID() 
   return (((1+Math.random())*0x10000)|0).toString(16).substring(1); 
function ValidateGuid(guid) 
   var exp=/^(\{){0,1}[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}(\}){0,1}$/; 
      return guid; 
      return GenerateGuidfrmJavascript();


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