Vb. NET Summary A

Source: Internet
Author: User
Tags exception handling

Vb. NET is on the basis of VB Upgrade version, enhance the object-oriented support, VB. NET is an object-oriented intermediate interpretive language on the. NET Framework, and VB is a process-oriented development language based on object, And VB.net is a fully object-oriented development language, these days to see the process of video, see the process of understanding, read it can not remember, some do not adapt to the sake of more or less feel the vb.net is not a lot of ah, this experience the benefits of the process needs to be slowly in-depth understanding and experience.

Vb. NET video finished, the video of their own learning back and forth to see, check information, library books (after watching the video the biggest desire is to borrow books to see the library, because many things are not familiar with, eager to understand. ), summary.

First of all the relevant concepts of design vb.net, VB,. NET,. NET Framework, ADO, Ado.net, DataSet, Recordset, DataReader and other related knowledge, these were just a little understanding, not very clear, After the query after the information after a little bit of the bottom, and I came together to learn these basic concepts and their relationship

The. NET Framework is a developed framework called the. NET Framework, a software development platform composed of the base Class library (BCL) and the Common language Development Runtime (CLR), where applications are run on the. NET Framework, and VB is used to program on the. This is vb.net.

The following is their own through the summary, Shing method to deepen the understanding of knowledge, summed up feeling much better, no longer so messy, understand a lot, but also more organized.

Click the image to see the big picture

Unit One. NET execution Model

Mainly on the overall macro introduction of the vb.net, after their own collation, the heart of the Count

unit Two object oriented

Mainly introduce object-oriented, "object-oriented" is a Taiwanese saying, its actual equivalent to Mandarin "object-oriented."

unit three using categories and base class libraries

The main description of the use of categories and the base Class library, introduced the category design, namespaces (c + +, C #, design patterns have been learned) to produce a strong resonance, listening to the more comfortable, receiving no big problem.

unit Four A new generation of Windows

Is mainly the generation of new windows, compared with the existing knowledge, found a lot of very powerful places, The main is the contrast of vb.net and VB6, found that many of the advantages of. NET, is very powerful, code to achieve a very convenient, after all, is object-oriented ah, thoughtful, so through the knowledge of comparative learning so that our learning efficiency greatly improved, we are relying on such step-by-step growth, refueling.

Unit Five design of protective program

It's mainly in. NET environment, we are more accurate and efficient to ensure software development, we introduced the error handling mechanism (Exception handling and event tracking), greatly improve the efficiency of our code development. Error handling mechanism with On Error Goto in VB6 ... , much better, more safe and accurate.

Unit Six database design and SQL

This part of the knowledge is also very good understanding of the place, because the original learning database (SQL), many concepts themselves are very familiar with, but the lack of practice, after all, practice can be the truth, believe in the late practice of deep understanding and experience.

Unit Seven Ado.net

It is mainly about the ado.net as an interface, to access to a variety of databases, to increase the number of checks and deletions.

Summary

For one to seven sections, it is not difficult to understand because of the previous basics (c + +, C #, SQL, Design patterns). The main continuous process, some of the concepts just probably know what is, with the depth of learning, these aspects should also pay attention to deepen the understanding of the concept.

Painting thinking map is their original very messy ideas are all the same, the heart is more comfortable, learning to each stage the most important is the summary guarantee Shing.

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