why we use out & ref in C#

Question

I have doubt about ref  Out and param key words in c#. Please give me answer with examples

Satyapriya Nayak · Answer

http://www.c-sharpcorner.com/UploadFile/5eae74/difference-between-ref-keyword-and-out-keyword/ http://www.c-sharpcorner.com/UploadFile/mahesh/OutRefParams02272005140408PM/OutRefParams.aspx http://www.c-sharpcorner.com/UploadFile/mahesh/out_and_ref11112005002102AM/out_and_ref.aspx http://www.c-sharpcorner.com/UploadFile/mahakgupta/working-with-ref-and-out-parameter-in-C-Sharp/ http://www.c-sharpcorner.com/UploadFile/kunalcheda/KunalRefOu11172005044010AM/KunalRefOu.aspx

m kamran khalid ch · Answer

Thanks Alot..........!!!