Import and Export Data From Excel Using ColdFusion

Introduction

In many web-applications development, we come across the requirement of importing data from tables present in database to excel sheets and vice-versa. This is basically needed when we are migrating an already existing application, where we would need the already existing data of the application to be stored somewhere and then to be imported into database tables of the new version of the application. Another scenario is when we provide the end user of an web application to download some details or history, like transaction history. In such cases, we can have the data saved to an excel sheet. Though ColdFusion is a tag based language, and we have tags for performing many complex functionalities without knowing any lower level details for those, but there is no direct tag to perform the above operations. There are many solutions to tackle the above issue. One of the easiest solution has been provided by Ben Nadel, the POI Utility. The POI Utility is a ColdFusion component that contains functions to read excel sheets into queries thus making the data compatible with the ColdFusion, and to write database tables data in the form of queries to excel sheets. This utility provides with the flexibility to populate multiple worksheets of an excel sheet, thus allowing the storage of all the required data in one excel sheet instead of multiple excel sheets. Using this utility, its also possible to provide styling specifications for the excel sheet data to be written from database table data. To take all those advantages, we need to download the POI Utility into our application. But what when we want to perform the above operations without downloading the POI Utility? The answer to this question is that we have many other alternatives to perform the above operations. Here I would be describing some of the alternatives in detail.

by Debjani Mallick

• Reading data from an excel sheet
• Writing to an excel sheet (method 1)
• Writing to an excel sheet (method 2)
• Conclusion

Internet Service Providers

Satellite Broadband ISP's & Special Offers: If we compare satellite broadband with cable and DSL technology we found satellite broadband is still young technology. Satellite broadband is able to connect through a dish network subscription service and provides comparable speeds to other broadband technologies. This and the lack of availability makes satellite internet slightly more expensive than the other broadband options. But if you live in a rural area or simply don't have Cable or DSL availability in your area, satellite may be your only option.

Dialup Internet & Special Offers: Dialup internet technology has evolved tremendously since its inception. It will be ok to not ready to take the leap to broadband. Dialup providers have created "accelerated access" for many of their plans. Be aware that while the acceleration technology enables you to view web pages quicker, your download speeds for music, pictures and files will remain the same. The technology basically compresses image files and stores a history that allows you to view web pages quicker.

VoIP Services & Special Offers: We can connect any computer or phone and call another computer or telephone at a fraction of the cost of normal phone services with the help of VoIP (Voice over IP). In addition, many VoIP services offer a huge array of extra options at no extra charge. The technology has advanced so much, it is virtually impossible to tell the difference between a regular or digital phone lines.If you are searching for the best deals on top high speed internet service providers you have found the right place. We cut through the hype and the confusion behind Cable, DSL, and satellite internet services and show you what to expect for your hard earned dollars. You will find everything from free equipment to the top online only cash back offers directly from the ISP.

by JESSI UK

Related Articles - High speed internet, Internet services, Internet service providers, High speed internet service, High speed internet providers,

Repair Windows Registry Errors - The Easy Way

Being a computer user, I'm sure that there are times when your computer starts to slow down and programs can take an age to start up. Even booting the computer takes forever and this can be very frustrating especially for those who use their PC's for work. There are many things that can cause these declines in performance but one of the most common problems is windows registry errors. This article will hopefully shed some light on what the windows registry is and how we can keep it in good working order.

The windows registry contains settings of all the software that is installed on your computer. These settings make our software run the way we want them. For example when we add our favourite picture to the desktop background, the computer remembers that we want that picture displayed and stores it in the registry. Another example would be the computer remembering our preferred font or default font in a word processor. Any and every software setting is stored in the windows registry and this is why it must be kept in good order.

Windows registry errors can arrive on our machines from software programs that may have been installed or uninstalled incorrectly. We can also get errors in the windows registry from virus and spyware infections. Keeping a registry error free is an essential part of computer maintenance.

Repairing registry errors can be done by using a registry editor. The trouble with this method is that if you are not completely sure about where the registry key is that is casing errors then it is possible that the wrong key may be deleted which could stop software working correctly or in a worst case scenario, it could leave your PC unable to boot. So be careful, if you are unsure don't risk it.

Fortunately there is an easy way to fix windows registry errors that anybody can do, no matter what level of computer experience they have and that is to use a software program to scan for and repair windows registry errors. Using this method is much safer because registry repair software will backup the registry before any errors are repaired so that if things should go wrong they can be fixed easily.

Once downloaded the registry repair software is simple to install and takes only a couple of minutes. When installed we can then scan the windows registry for errors and again this should only take a couple of minutes but may take a little longer if errors are found. When the scan is completed a message will be displayed informing you of the results of the scan and if there are any errors contained in the registry.

If there are no errors, congratulations, but remember to scan your registry regularly to keep the registry in good order. If there are errors in the registry don't worry, these can easily be fixed in just a couple of clicks and the software will walk you through fixing these errors. After registry errors are fixed you will notice a performance increase meaning programs will start quicker and boot times will improve.

by : Tom Walsh

Tom Walsh runs a successful computer repairs business and is the owner of a successful registry repair software review website.

Learn the best way to repair windows registry errors and get your computer back up to speed.

Related Articles - windows registry errors, registry repair software,

Advantages of Top-Down Method in Web Services

op-down method is a programming method where design of software begins by identifying complex pieces and separating them into smaller pieces. This ultimately results into specific coded components which help in writing the program. The top-down method is also important for web site development service . The top-down approach focuses on the technique for writing the main procedure that names major functions needed for design. Later, the requirements of each of those functions are analyzed and the process is repeated, leading to subroutines that can be easily and concisely coded. The program gets completed when all sub-routines are coded. Most web development services employ two approaches for creating web services: top-down development and bottom-up development. Top down web development generally involves designing a web service from a WSDL file. A web development service ensures easy implementation of web services by creating a WSDL file. This can be easily done using the WSDL editor. It can then use the web services wizard to create skeleton code. Features of Top-Down Method: Top-down programming has the following benefits:

* It focuses on modular design by separating low level work from objects of higher level. Modular design ensures self-contained development.
* Because each module is processed separately, programmers get enough time to process, thus leading to fewer operation errors
* Projects become quite optimized as each developer applies his own knowledge and experience to individual modules.
* Since each programmer gets involved in a part, the time taken to complete the project is relatively less
* There is no room for errors as the errors generated from the module are identified easily if any error occurs in the program output.

Top-down method is an easy way of creating a web service as it eliminates interoperability issues. The web development services India scenario recommends top-down approach, albeit bottom-up development might be quicker and easier. But, the bottom-up approach cannot solve any interoperability issues. Top-down method ensures more control over web services.

by ANIRBAN BHATTACHARYA