read pdf and display in c# forms from oracle BLOB column

Dear Arif:

 

Write the pdf in a local temp file, and opern with WebBrowser control.

 

Look out: https://social.msdn.microsoft.com/Forums/en-US/fdbf3ba7-ef79-42f5-b597-a4510189241f/read-a-local-pdf-file-in-webbrowse-control?forum=csharpgeneral