why itextsharp not working on online compilation

Question

hi,

friends  i have a one page that is having the itextsharp.dll  for converting the html code to pdf .so i did that process in local system , but when i am hosted that one it was not working .and its shows error like this :

 

Server Error in '/' Application.

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Compilation Error

Description: An error occurred during the compilation of a resource required to service this request. Please review the following specific error details and modify your source code appropriately.

Compiler Error Message: CS0246: The type or namespace name 'iTextSharp' could not be found (are you missing a using directive or an assembly reference?)

what i have to do for fix this error..please help me..

 

i hope you understand my problem