I have to create a desktop client installation package with prerequisite as .NET framework. However in the prerequisite on publish tab is that .NET framework 4 is missing. How to include .net 4 as prerequisite in my package?

We need to use WPF desktop application on Windows XP. I know Microsoft has stopped the support for XP. Can you please let me know which .NET version i need to install? Any idea what will be disadvantages?

in your category model do you have navigation property to get list of suppliers? If yes then For Level 2- you can do same thing which you did for level 1 Thanks

I want to show data in comments in excel sheet and worksheet will be created in asp.net Thanks in Advance