How to use Open With Dialog box when file format not recognized

Friends开发者_StackOverflow中文版.,

I Creating an excel Sheet Through my code, then opening that created Excel through MS office, If MS Office Not Installed in that Particular PC means "open with" Dialog Box Have to appear to open that Created Excel Sheet..

What can I do..??

Please use System.Diagnostics in using or

 System.Diagnostics.Process.Start("FullFileNamePath"); 

Information will be helpful for beginners like me.

Please use System.Diagnostics in using or

 System.Diagnostics.Process.Start("FullFileNamePath"); 

Have you tried

Process.Start("FullFileNamePath");

if windows cant open file, it shows message to select a program from a list of installed programs.