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Posted in: asp.net| Tags: Software Programmer Hire web development asp php joomla designer developerWhen it is crunch time: Migrating from Visual Basic 6 to Visual Basic .Net/2005
Abstract
As a Visual Basic 6.0 programmer, what is the roadmap forward for your applications? As Visual Basic 6.0 becomes ‘deprecated technology’ what will you do with your enterprise class applications written in Visual Basic 6.0. This article is the musings of a developer that has been looking at migrating existing enterprise-class Visual Basic 6.0 applications to Visual Basic 2005.
Introduction
If you have been a serious Visual Basic 6.0 programmer with very sizeable code investments in Visual Basic (we have 22 enterprise level applications), at least 18 of which are written with Microsoft Visual Basic, crunch time comes when you begin to think or when you decide to advance your applications to new versions. Crunch time comes when all of a sudden, your Visual Basic 6.0 projects don’t open properly anymore in the Visual Basic 6.0 IDE (especially when running on Windows Vista with Visual Studio 2005 installed). Crunch time comes most especially when it dawns on you that you are basically using ‘deprecated’ technology, that between Visual Studio 6.0 (which contained Visual Basic 6.0) and Visual Studio 2008 (the latest version of Microsoft’s Visual Studio development suite), they have been 4 (four) new versions of Visual Basic.
Crunch time is the realization that for your software business to live, you will have to do something about your existing Visual Basic 6.0 applications. Our purpose in writing this article is to share our experiences of what we found as we endeavored to start to upgrade our Visual Basic 6.0 applications, and to discuss some of the touch decisions and choices that will undoubtedly have to be made.
Appraising the current Visual Basic situation!
What made Visual Basic special was its power, elegance and simplicity! It largely retained the style and syntax of the Basic language as we knew it i.e. if you had been using GW Basic, QBasic, Microsoft Basic Professional Development System (we shall call of these ‘Microsoft’s Basic’), etc, you could look at Visual Basic code and read it and understand it. Changing over from those early flavors of Microsoft’s implementation of the Basic programming language to Visual Basic was thus not difficult. In fact, the skills you learnt from using those early implementations of Basic made it easy and possible to immediately start building Windows database applications on Microsoft Access 2 using then Access Basic as implemented on those versions of Microsoft Access even though you had to learn a few new keywords and perhaps had to deal with the situation that some language features you knew had been removed!
Further developments of the basic implementations of Microsoft ensured that the Basic language, as we knew it and get skills of Visual Basic programmers have to be further improved if the Microsoft Visual Basic
Now coming to Visual Basic 6, the most powerful and elegant release of these flavors (prior to the .NET flavors) of Microsoft’s Basic, the Microsoft Solutions Framework (MSF) emphasized a componentized systems design and development approach in which the meat of your application (data access code, data manipulation code and business rules) could all be built as COM (Component Object Model) components hosted on MTS/COM+. Your application front-end (Visual Basic Forms or ASP Web Pages) could then call these components to obtain any services required. The backend could be any database system that had an ODBC Driver or OLE DB provider. The front-end as already noted could of course be Visual Basic Forms (if you wanted your application to run as a Windows application) or ASP (if you wanted your application to run as a Web application).
Your data-aware classes could easily establish connections to the database and then create recordset objects in its Init event that could then be returned to a calling application by calling the GetDataMember method of such a class.
Even in terms of data access technology, if you did use DAO (Data Access Objects) and RDO (Remote Data Objects) in Visual Basic versions prior to version 6, the changeover was the use of ADO (ActiveX Data Objects) not very difficult, because both technologies had similar terminology and interface (for example, a DAO Recordset object is similar in concept to a Recordset object returned in ADO) and methods for processing the objects.
This then is a general and short summary of what Basic programmers using Microsoft’s implementation of that language have had to deal with until the arrival of Visual Basic .NET flavors of Basic.
What is all the Hullaballoo about?
Visual Basic programmers expected Microsoft to maintain the look and feel of Microsoft’s Basic that we had always known (especially in the language implementation). But behold! What did Microsoft choose to do?? They decided to fulfill the biblical prophecy recorded at Zephaniah 3:9 which states ‘For then I shall give the peoples a change to a pure language, in order for them to call upon the name of Jehovah, in order to serve him shoulder to shoulder’.
The attempt to fulfill this biblical prophecy resulted in Microsoft’s attempt to create the New Jerusalem (the .NET Framework) and of course as we now know it, the .NET Framework languages! The result has been a massive genetic modification of the Visual Basic language and an attempted premature extinction of ‘perceived dianosaurs’ (e.g. Visual FoxPro).
If you are a lover of ‘game meat’ and Visual Basic prior to .NET was a charming wild mountain goat (an Ibex on the Highlands of Ethiopia), and you were then given the ‘new ‘ Visual Basic (i.e. the .NET Flavors of Visual Basic), you would not want to eat the meat at all because the color of the animal has changed, its size has changed (it looks more bloated), its natural smell has changed (it smells not like Basic but like C/C++), even its meat tastes different (not the C/C++ like syntax for writing code)…the grand creator (Microsoft) says it is the same or better but we all (aspiring citizens of the New Jerusalem) can see it is not! You cannot even open a Visual Basic 6.0 project in Visual Basic 2005 and expect it to run…it is that bad!
Crunch Time!
The million dollar question then is ‘If you are a Visual Basic 6.0 Programmer with significant code investments, what would you do?’ Should you migrate to other implementations of the Basic Programming language such as REALbasic 2009 (from Real Software Inc) or Liberty Basic? Should you try Visual Basic 6 lookalikes that also offer multi-platform compatibility such as Jabaco 1.4 (by Manuel Siekmann) or should you just rewrite your code in Visual Basic 2005/.NET? What alternatives did we find and what choices will have to be made?
Jabaco: Jabaco is startlingly like Visual Basic 6.0. Even the startup forms, property windows, toolbox, project explorer are astonishingly like Visual Basic. What is more, even the code syntax you write is pure VB 6-like! We made a copy of our Fixed Assets Software system and then opened it in Jabaco (we are using Windows Vista Home Basic) and the conversion process was seamless. To run the code, we made some minor changes (e.g. Converting Currency to Double) or removing Windows Controls such as the toolbar control and that was that! The structure of the Jabaco code, its keywords, its syntax, the functions and procedures are Visual Basic 6 alike. Even the way you make your Exe’s after writing your program was simple and straight forward. If you are a Visual Basic 6.0 programmer, and you are looking for a secure non-Microsoft way forward for your projects, you will feel instantly at home with Jabaco 1.4 from the very minute you start the application…you can start writing tons of code immediately! When we tried to run our program (both on Windows XP SP2 and Windows Vista Home), we were pleased to see that it could run without hitches! Jabaco would compile your application to Java byte code. In addition, Jabaco is free! The big cat is certainly prowling – power, elegance, speed, simplicity, multi-platform capability by compiling to Java plus a pure preservation of the spirit of Visual Basic…this is Jabaco!
Liberty Basic: Liberty Basic appear to offer a nice RAD look and feel! The method for building your application is reverse to what you normally do with Visual Basic 6 where you would draw your form’s on a Canvas! Liberty Basic is indeed a free-spirit, a true implementation of the Basic Programming Language! We did not test drive this tool! You would definitely have to look at this one for yourself…we have not evaluated this tool closely!
True Basic: True Basic is another viable alternative to Visual Basic! This implementation of the Basic programming language is touted as the true descendant of the original Dartmouth Basic and is available in Silver, Bronze and Gold editions. Again, we could not test drive this tool but product descriptions sure make it look like a powerful alternative to Visual Basic!
REALbasic 2009 R3: What about REALBasic 2009! We had known of this tool for sometime, having come across a white paper that we downloaded on the Internet! We downloaded a 30-day evaluation of the REALbasic 2009 R3 from the product website (www.realsoftware.com)! As with Jabaco, installation was a breeze! If we can consider Visual Basic 6.0 to have been a charming wild mountain goat on the highlands of Ethiopia, you may consider REALbasic as beautiful and dainty wild goat variety such as those found on the forests of Cyprus -? a beautiful and tasty variety indeed! A powerful viable alternative to Visual Basic .NET/2005! A Visual Basic 6.0 programmer could look at REALbasic code and readily enough read it understandably despite some minor differences in code structure! Both languages (Visual Basic 6 and REALbasic 2009) share many keywords and reserved words in common even though! Even though the IDE is different, it is readily enough understandable! Unlike Jabaco, REALbasic will not allow automatic conversion of Visual Basic 6.0 projects (or perhaps we did not look deeply enough) but rewriting your Visual Basic 6.0 code in REALbasic should definitely not be as difficult as doing a rewrite in Microsoft’s own Visual Basic 2005! Another attraction to REALbasic was that it ships with its own Client/Server SQL Database so that you can be up, building database applications quickly! This would mean that if you are using REALbasic, you would be obtaining a complete applications development studio (everything you need in the package)! And then to boot, REALbasic is multi-platform capable, allowing you to compile directly to Machine code (for windows, MAC OS and several other OS’s) thus achieving significant performance gains similar to those of C/C++ flavors that also compile to machine code! We think that the differences between REALbasic and Visual Basic can be accounted for in the motivation behind the creation of the language…the fact that the creators of REALbasic are in this for real…they are offering a genuine, powerful, viable, non-Microsoft alternative to Visual Basic.
Microsoft Visual Basic 2005: And what about Microsoft’s Visual Basic 2005 (this is what we have installed to enable us start conversion of our programs)? We cannot pretend that we are happy with the fact that we are required to re-write major league enterprise applications almost bottom up! As very experienced Visual Basic developers, we had expected to get up and quickly using the new Visual Basic (but that was not to be)!
?Be that as it may, Microsoft’s pioneering efforts in programming language design and innovation cannot be just discounted! The new Visual Basic 2005 is not Visual Basic 6 but it does stand shoulder-to-shoulder with C# (Microsoft’s new toy), J# and Visual C++ in terms of syntax and programming constructs! The New Visual Basic 2005 also includes expanded project types and language capabilities! It also has enhanced language constructs and new data types that will easily put you at par with the C# or C++ programmer while providing tools to rapidly create Web applications and access the latest versions of Microsoft’s own SQL Server 2008 and Oracle 10g/11g.
If it is name recognition that you want (Microsoft is a known name world-wide and their marketing power is unmatched); if you want to be a developer building applications with tools from an ‘approved supplier’ then you will have to embrace the new Visual Basic 2005 (Visual Basic 2008 has already been released as at the time of writing)…learn to eat genetically modified meats with a slightly different taste and feel so that you do not starve to death!
I think it is worth mentioning if you must stick with Microsoft that C#, Microsoft’s new C-like language that Microsoft created specifically for .NET Framework programming can also be a powerful contender! We found that mastering C# was both exciting and fun, probably because I was aware that I was learning a completely new programming language and therefore had no preconceptions of what to expect! On the contrary, learning Visual Basic 2005 was not so much fun perhaps because I approached the language as a Visual Basic programming veteran! I expected the language and keywords to be familiar enough! I expected the program structure to be familiar! I expected programming constructs and abstractions to be familiar! If you are a Visual Basic 6.0 programmer hoping to mater Visual Basic 2005 quickly, be forewarned – simply disabuse your mind! Approach Visual Basic 2005 as if you knew nothing at all about Visual Basic, approach it as if you are learning a completely new language that you have never really used for large-scale commercial projects (like say C/C++)and you will master Visual Basic 2005 soon enough!
Conclusion
All the options I have examined will involve some amount of code re-write! They can be no avoiding that no matter how little and I guess that is the risk attendant to our trade is it not?? If you want to keep your VB6 code almost as pure as it is, Jabaco is it! Otherwise, REALbasic is the next best alternative! If you want to stick with Microsoft, you would have no choice but to go Visual Basic 2005 because alas! Microsoft’s massive marketing machine ensures that most companies requesting new software (especially for those of us in the bespoke) software market are all requesting their projects in Visual Studio .NET! Also, it is a reality that the next generation of programmers being trained are being trained in Microsoft’s Visual Studio .NET as exemplified by the new popularity of C#
And what about us? We are taking a serious look at Visual Basic 2005, learning to like and desire the new meat so to speak! But we plan to also be delivering cross-platform solutions in Jabaco! Our quest for a solution brought us in touch with great tools out there being built by little known companies…it is worth checking out!
Posted in: java training| Tags: Technology Programmer Microsoft Migrating time enterprise article visual studio crunchHow to Land Computer Programmer Jobs
If you work in the computer programming field, you know that competition for jobs can sometimes be fierce. It can be hard looking for your dream job knowing that many other applicants are looking for the same thing. However, doing a few simple things can dramatically increase your chances of getting the computer programmer job that you want.
Upgrade your education
Since when is a computer science graduate degree program has been a while, it will review course, there are two or three hours to go for. Many employers in the new programming tools, Java and C is like looking for a skilled programmer. If you are not well trained in these tools, you have time to get some training here.
You may also want to get certified to a new computer programming language. This shows employers that are competent in a language and can give you an advantage over the competition. Check for certification if they have not done so recently.
Business is to take the course are employed as another way to increase your potential. If these types of courses, to help you learn the job can be very beneficial to customers looking for direct land management in computer programming.
Clean up your resume and cover letter
When is the last time you look at your resume? Now is the time to ensure that your resume has been updated, your most recent work experience, and add any new programming languages and tools, you are proficient in. If your resume looks out of date and need time to update the appearance of and style of the resume. Let others see more of it and your resume get good feedback.
A good cover letter is also important to programmers to get jobs. Make sure to cover letter for each job you adjust them. Your cover letter should highlight your relevant experience and training.
Be proactive
It is vital to be proactive in today’s market. Don’t wait for job opportunities to come to you. Seek them out. Be bold and don’t be shy about letting potential employers know why they should hire you.
Finding a job can be tough and daunting, but it should be. You can beat the competition by following these tips to help yourself stand out. Employers will see an excellent education and skills and you will not be long before you work in a job of your dreams.
Those look for <a onClick="javascript:pageTracker._trackPageview('/outgoing/article_exit_link');" href="http://smartjobs4me.com/">computer programmer jobs </a> or other careers else in the IT field need to visit http://smartjobs4me.com. Visit now before someone else nabs your dream job!
Posted in: java training| Tags: Programming Programmer job time language computer course resume land competition
The Most Prized Species
Programmers themselves in the meantime appeared too many companies to belong to a very rare and prized species. “Where is a good programmer where you need one’s” as the pet woe-cry of many a good and worthwhile firm, intent on retaining ultra-efficiency and international credibility in the never ending upward mobile markets. This is the situation on the worldwide scene but the trend is nowhere more noticeable than in the United Kingdom. It is interesting to note that traditionally it used to be said, with tongue in cheek, that if something happens in the US, the UK follows is lead some six months later. Though still possibly relevant when applied to weather-conditions, the high-speed movement which has become characteristic within the IT industry has put paid to the time-lapse within all sectors of the software industry; and the millennium Event happened almost instantaneously at least arguably on the same day, meant that there is greater uniformity all round.
Interestingly, the status and programmers has continued after the emergency appeal to the millennium bug has also been proved to be merely a quasi-intelligent paranoia, the need for more matches in the last year's financial incentives, according to the software industry salary survey BASDA (Business Application Software Developers Association). Is still refreshing compared to all other high-wage industry sectors.
Demand is still increasing and has not been bet by adequate numbers of highly qualified staff. This highlights a need for more high standard training facilities, which are urgently and universally required. The main problem here is who is to foot he bill. Whereas some companies still offer to train and retain staff, the ones hoping to recruit form among the crème deal crème of the already highly skilled, could be in far a bit of a shock when the realization dawns that prospective company programmers have got even better elsewhere. All in all, it is still an excellent investment to have a company policy which avails top level training schemes for the ablest candidates as a backup to procuring already fully-qualified and up-to-date programming personnel.
Also been reported to provide the company with substantial salary increases to retain existing staff, for adoption, and provide additional capacity. For 2001 years, lack of sales staff, Java, C, and DB is expected in areas such as technology. This is the IT industry as far back requirements necessary to maintain the skill level of development, emphasizing the importance of training.
To fill a vacancy on the staff increase in the number of high quality, and lack serious. Java, VB is, C programmers are in short supply, you may command a significant salary increase. The staff is available to the temptation of many companies to change the financial carrot. And the company, to change the location or position, in order to attract good programmers are waiting for a successful and leave a big gap to fill.
Scjp 5.0 - Carving a Well Qualified Java Tiger Programmer
SCJP 5.0 - Carving a well qualified Java Tiger Programmer
Sun Microsystems offers many certifications starting from programmer level to architect level. The latest version of programmer (SCJP) exam is SCJP 5,0 - Sun Certified Programmer for Java 2 Platform, Standard Edition 5.0 (CX-310-055). Sun started calling SCJP 5,0 instead SCJP 1.5 from this new version.
This certification is a clear evidence that a programmer's knowledge of basic syntax and structure of the Java programming language to new syntax introduced in SCJP 5.0. The certified programmer can create Java applications that run on server and desktop systems using J2SE 5.0 (Java Tiger). Java Tiger is the another name of J2SE 5.0.
NOTE: The external version number of this release is 5.0 and its internal version number is 1.5.0.
What is new in Java Tiger ?
Changes include generic types, metadata, auto boxing, is to enhance the loop, enumerated types, static import, C-type formatted input / output, variable arguments, concurrency tool, simpler RMI interface generation.
Wow ! Thanks to Sun Microsystems for providing such a valuable features for Java Programmers.
If the Sun Java Programmer credential (SCJP) decided to take the next move in the SCJP 5.0, Java programmer certification Tiger, please enjoy the benefits of new features.
Changes in Exam Objectives from SCJP 1.4 to SCJP 5.0
SCJP 1.4
SCJP 5.0
Section 1: Declarations and Access Control
Section 2: Flow control, Assertions, and Exception Handling
Section 3: Garbage Collection
Section 4: Language Fundamentals
Section 5: Operators and Assignments
Section 6: Overloading, Overriding, Runtime Type and Object Orientation
Section 7: Threads
Section 8: Fundamental Classes in the java.lang Package
Section 9: The Collections Framework
Section 1: Declarations, Initialization and Scoping
Section 2: Flow Control
Section 3: API Contents
Section 4: Concurrency
Section 5: OO Concepts
Section 6: Collections / Generics
Section 7: Fundamentals
SCJP 5.0 is easy to SCJP 1.4, as only a limited number of sections in comparison? No, most concepts in SCJP 5.0. Some of them are not related to SCJP 1.4 in context.
SCJP 5.0 Exam Details
Delivered at: Authorized Worldwide Prometric Testing Centers
Prerequisites: None
Other exams/assignments required for this certification: None
Exam type: Multiple choice and drag and drop
Number of questions: 72
Pass score: 59% (43 of 72 questions)
Time limit: 175 minutes
After SCJP 5.0 exam you are familiar with Java Tiger, such as generic types, metadata, auto boxing, an enhanced for loop, enumerated types, static import, variable arguments concepts such as the completion of
How long I need to prepare for this exam?
The answer is, Java programming and object-oriented concepts are dependent on current knowledge. EPractize Labs SCJP 5.0 you can get an estimate of the approximate calculation of preparation time.
How to start? Where to start?
First go to Sun's website and understand the exam objectives. http://www.sun.com/training/catalog/courses/CX-310-055.xml
Plan for your preparation. If needed calculate an estimation from EPractize Labs SCJP 5.0 Preparation Time Calculator.
Identify your weak areas based on the exam objectives. Set more focus on those topics.
Study and workout the program examples.
Practice with mock exams and see where you are. Continue your practice till you achieve your goal.
Achieve your SCJP 5.0 certificate and share your success WITH YOUR FRIENDS AND COLLEAGUES!
Recommended SCJP 5.0 Exam Preparation Kit
Use SCJP 5.0 Exam EPractize Labs – Personal Edition for empowering your preparation by PPA-1(Plan, Practize, Achieve) methodology.
SCJP 5.0 Certification Benefits
For the Individual
Clear evidence that you are a Java Tiger programmer.
The certification empowers in driving Java Programming based on J2SE 5.0.
SCJP 5.0 certified programmers can easily design and develop the code based on J2SE 5.0.
As a Certified Programmer SCJP 5.0 helps you to improve your career potential, gain more respect, increase your job security and opportunities.
With SCJP 5.0 certified programmer, you become more competitive in the job market.
For the organization
Enables management to distinguish SCJP 5.0 certified programmer as Java professionals who can develop quality code efficiently and effectively.
Helps in deciding the best development APIs or Java Components based on latest J2SE APIs.
More confidence to work on Java Code technical decisions with business partners.
Enables project team to get best coding practices and guidance from a qualified Java Programmer.
Good Luck !
Expert in MS Access Database Programmer
Some people like to think that expert database programmers just sprout up out of the ground while the rest of us are left trying to fumble our way through the complexities of Visual Basic and Standard Query Language (SQL). But many of you may be shocked to find that these experts started out much like you and me. The difference? They found a way to go from confusion to understanding. I know that you are thinking to yourself, “Well that’s easy to say, but how can I become one of those individuals?” With a few tricks, some tinkering, and a little effort, you will be one step closer to reaching your goal.
The first thing to understand is that MS Access was created to be used by large companies and individuals. In other words, it can be as complex or as simple as the user desires. This allows the program to grow in complexity as your knowledge and skills increase.
The first step to becoming an Access expert is understanding that it WILL take some time to get comfortable with the program. That is why it is crucial to remain calm and not get frustrated. Learning becomes extremely difficult when we are frustrated or tense so let’s dismiss that from the picture immediately.
Once you are no longer frustrated, we can begin our lesson. One of the great things about MS Access is the help feature. Because Access was intended for individuals, the developers included an extensive help base with the software. To neglect making use of this feature would be unwise. The next great thing about MS Access is that it provides online help if you are unable to find what you are looking for in the included help file. This should be used after exhausting the included help feature.
If neither of these help features is working, I would suggest going to a popular search engine such as Google and typing a brief question about what you are trying to accomplish (e.g. “How to create MS Access queries in VB”). This has bailed me out of trouble many times when I was trying to do something very specific and could not find an answer in either help file mentioned above.
The next bit of advice that I can give you is this: don’t be afraid to tinker around. Most of my knowledge of database programming came from sitting in front of my computer screen during my free time. Trust me, it is time well spent. Not only will it help you solve your problem, but you will gain familiarity with the program and its features.
As a final piece of advice, I urge you to spend time every day “tinkering” with the program. Even if it is only for 10-15 minutes, the constant exposure will pay off in the long run. I find that going to the help feature and finding an article related to something I’m interested in learning how to do helps me immensely. With some practice and a little bit of time, you will undoubtedly become very efficient with your database programming.
Posted in: Software Software Programming| Tags: MS Access Database Programmer