Learning about Asp.net

I have been studying Asp.net for almost half a year and have not achieved much. Now I can only do some simple enterprise websites, because my work is on network management,
Learning programming is just a step-by-step. I have been using several entry-level examples at Microsoft recently, such as Microsoft. NET petshop 3.0 ....
I don't know much about it. When I used to write the Asp.net program, I only made a layer of structure and added the user control at most...
Although Microsoft. NET petshop 3.0 is an example of getting started, it provides a comprehensive introduction to. net,
The more you read, the less basic knowledge you can understand. It is very difficult to read these classes... learning programming is always self-taught.
C, Pb, VF, VB, and Delphi are all turned around at the door and pasted with ready-made code. It has been useless for a long time and has forgotten about it. After learning programming for so long, I feel that I haven't gotten into the door yet, and I don't know how to learn it. I hope that my friends who have learned programming can share their learning experience with you and make progress together ....

Attach a bit of PET shopg information ....
Table 1. database table in Pet Shop

Table Name	Purpose
Account	Represents basic customer information
Bannerdata	Store advertisement bar Information
Category	Directory category (fish, dogs, cats, etc)
Inventory	Product inventory status
Item	Product details
Lineitem	Order Details
Orders	The order placed by the customer. The order includes one or more line items.
Orderstatus	Order Status
Product	Directory product, each product can have one or more types (projects ). The common type may be male or female.
Profile	Customer User Configuration
Signon	Customer logon table
Supplier	Supplier information

Table 2 lists the objectives of each project:

Table 2. Visual Studio projects in the pet shop solution

Project	Purpose
Bll	Store business logic components
Configtool	Management applications used to encrypt connection strings and create event log sources
Dalfactory	Class used to determine which database to load to access the Assembly
Idal	A set of interfaces implemented by each Dal implementation
Model	Thin data or business entity
Oracledal	The specific Pet Shop Dal Implementation of Oracle uses the idal Interface
Post-build	Projects that run post-compilation operations, such as adding an assembly to GAC or COM +
Pre-build	Items that delete an assembly from GAC or log out of the Assembly from COM +
Sqlserverdal	The specific Pet Shop Dal Implementation of Microsoft SQL Server uses the idal Interface
Utility	A group of helper classes, including packaging of dpapi
Web	Web pages and controls
Solution items	Miscellaneous used to build an application, such as the pet shop. SNK key file used to sign the application assembly