About $ character in asp.net

Question

Hi all,

I have a code section below :

    <asp:SqlDataSource ID="SqlDataSource1" runat="server"
  ConnectionString="<%$ ConnectionStrings:MainConnStr %>"
  SelectCommand="SELECT [au_id], [au_lname], [au_fname], [state] FROM [authors]" />

What is meaning of The $ character in value of ConnectionString attribute?

Answer 1

They're expressions, read about them here

Read about all inline tags here

Answer 2

It's referred to as an ASP.NET Expression. You can pull config information such as ConnectionStrings or AppSettings as well as Resources.

ASP.NET Expressions Overview

Answer 3

Yahoo!!!

Thank all for answer