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Get File extension from full file path

Posted By:Amit Mehra       Posted Date: February 07, 2010    Points: 10    Category: File Operation    URL: http://www.dotnetspark.com  

This code sample will give you the file extension from full file path. Sometimes we need to get the extension from the path for eg. if you need to validate the file extension to upload the files.
 

This code sample will give you the file extension from full file path. Sometimes we need to get the extension from the path for eg. if you need to validate the file extension to upload the files or move only the file with particular file extension. like only .gif or jpg only you want to upload than you can use GetExtension() method of Path class from System.IO namespace

string fileName = Path.GetExtension(@"c:\MyFolder\MyFile.txt");

Response.Write(fileName);

and the result will be

.txt

 


     

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