Please give me better Suggestion for Automation Testing tools for my .NET application.
Which one tools is most esiest and effective way to use for Testing.
Look at any of the tools advertised on this site and you will find one that works with .Net.
The ease of use of a tool depends on the knowledge and skills of the people using it. The effectiveness of the toll will depend on how you use it.
I have not failed. I've just found 10,000 ways that won't work" --Thomas Edison
There's a whole .NET Testing forum on this site. You might want to search it and eventually post there.