How to extract text from a PDF file using c#?

[C# Programming]

How can I extract PDF file text from the file "c:\\Abc.pdf" using c#?
when I read the file text, it is get like
%PDF
.
.
.
.
%%EOF


There is some junk data visible in between these.
How to uncompress the compressed PDF file data.

How to read the text from the PDF file?