What all do I need to learn to become a C# programmer?

I know ASP, C (Worked 7 years back), HTML, JavaScript and Perl but no data structurure and algorithms. I do write code to develop small applications and scripts for automation as it is my passion.

What all do I need to learn to become a C# programmer?
You should start by working with C# you can get the free Visual Studio Express C# from Microsoft. This is always a good way to get use to the language and the development environment. Data structures and algorithms are useful to know but it depends on what you want to program which you use. Plus C# gives you some handy classes to deal with a number of structures including lists, dictionaries etc...