I am used in file upload control. i got the File Name for `CreateDataBase.docx` . 
Now I want the `fileType` for `docx` 

I have `CreateDataBase.docx` .I just want this file type or i want to remove `CreateDataBase`

**I have lot of file for xml,pdf,docx,etc .** .So **I want the file type or next characters of dot(.)**