This post is gives you some solutions for 9 real life application problems in asp.net:
How to display number as words?
How to compute data (sum, count, …) in a data table?
How to display client date time?
What is the Difference between <% … %>, <%= … %>, <%# … %>, <%@ … %>, <%$ … %>?
How to maintain scroll bar on postback?
How to use the enter key to submit a form?
How to call page methods from client side using ajax.net?
How to capitalize each word in a string? [More]