http://developercenter.northcomp.comen-usCopyright 1996-2012 Northstar Computer Systemseditor@northcomp.comeditor@northcomp.comhttp://backend.userland.com/rsshttp://developercenter.northcomp.com/article/Using-BasePage-Classhttp://developercenter.northcomp.com/article/Using-BasePage-Class Something I've been doing with my ASP.NET applications is creating a shared Page class from which all my Web pages inherit. This allows all the pages to sh...http://developercenter.northcomp.com/article/Create-ViewState-Propertyhttp://developercenter.northcomp.com/article/Create-ViewState-Property ASP.NET uses the ViewState to store data going back and forth to the server, eliminating the manual drudgery of reloading form controls and so forth. The V...http://developercenter.northcomp.com/article/Smart-Properties-For-Objectshttp://developercenter.northcomp.com/article/Smart-Properties-For-Objects When I'm writing Web applications, I may need to use lots of objects at various times while the application is running, but I generally don't always need a...http://developercenter.northcomp.com/article/ItemCommand-Event-Of-Repeaterhttp://developercenter.northcomp.com/article/ItemCommand-Event-Of-Repeater I'm a bit of an HTML purist, so I love the Repeater control. It allows me to specify exactly which HTML ASP.NET uses to create a table, list, etc. without ...http://developercenter.northcomp.com/article/Using-the-ItemDataBound-Event-of-the-Repeaterhttp://developercenter.northcomp.com/article/Using-the-ItemDataBound-Event-of-the-Repeater Each time a data record is added to the Repeater control, an ItemDataBound event is fired. Within the event, you can access the controls that are created, ...http://developercenter.northcomp.com/article/Using-Parameter-Arrayshttp://developercenter.northcomp.com/article/Using-Parameter-Arrays Most functions require a set list of parameters to operate. However, you'll create some functions that need a variable list of parameters. A good example o...http://developercenter.northcomp.com/article/Create-A-Custom-Configuration-Sectionhttp://developercenter.northcomp.com/article/Create-A-Custom-Configuration-Section The configuration file concept in .NET makes it much easier to change runtime settings without having to recompile. These files hearken back to the days of...http://developercenter.northcomp.com/article/Using-Overloaded-Constructor-Methodshttp://developercenter.northcomp.com/article/Using-Overloaded-Constructor-Methods In a previous tip, you learned how to redefine the function of simple operators like plus (+) and minus (-) using overloaded operators. In this tip, you'll...http://developercenter.northcomp.com/article/Validate-a-Credit-Card-Numericallyhttp://developercenter.northcomp.com/article/Validate-a-Credit-Card-Numerically Before I accept any credit card number into my application, I run a simple numerical validation against it. All major credit cards (American Express, Disco...http://developercenter.northcomp.com/article/Using Radio Buttons in a Repeaterhttp://developercenter.northcomp.com/article/Using Radio Buttons in a Repeater The ASP.NET Repeater control is one of my favorites, mainly because it is fully customizable and it allows me to build many types of applications. However,...http://developercenter.northcomp.com/article/Logging-Exceptions-to-the-Event-Loghttp://developercenter.northcomp.com/article/Logging-Exceptions-to-the-Event-Log Assuming you have Remote Desktop or some other access to a server, the system event log is a good place to store information about your application. I pers...http://developercenter.northcomp.com/article/Control-the-Layout-Of-Your-Input-Formshttp://developercenter.northcomp.com/article/Control-the-Layout-Of-Your-Input-Forms Although many of your input forms will have a fixed number of fields, in some cases you'll need to vary the number and configuration of your controls. This...http://developercenter.northcomp.com/article/Searching-System-Event-Logshttp://developercenter.northcomp.com/article/Searching-System-Event-Logs One of the more tedious tasks a system administrator has to do is review the system event logs using the Event Viewer. These logs can provide valuable info...http://developercenter.northcomp.com/article/Creating-a-Form-Using-Placeholder-Controlshttp://developercenter.northcomp.com/article/Creating-a-Form-Using-Placeholder-ControlsPrevious tips explained how to use a Repeater control to build a dynamic form containing some number of text box controls. However, you may have a case in wh...http://developercenter.northcomp.com/article/Restricting-Access-To-Downloadable-Fileshttp://developercenter.northcomp.com/article/Restricting-Access-To-Downloadable-Files A developer, working on a Web application that allowed only registered members to access a file, recently asked me if there was any way to control how the ...http://developercenter.northcomp.com/article/Adding-New-Event-In-ASP-NEThttp://developercenter.northcomp.com/article/Adding-New-Event-In-ASP-NET An application I have uses a custom Login control that handles user registration and login functions. This control has an event called UserAuthenticated th...http://developercenter.northcomp.com/article/Exporting-Data-To-Excelhttp://developercenter.northcomp.com/article/Exporting-Data-To-Excel A common request of users is to be able to download data for use in Microsoft Excel. This is actually fairly easy to accomplish without a lot of extra work...http://developercenter.northcomp.com/article/Creating-An-Atom-XML-Feedhttp://developercenter.northcomp.com/article/Creating-An-Atom-XML-Feed An easy way to promote your site and to attract more visitors is to provide a news feed. Feeds can be read by a variety of programs, including FeedDemon, M...http://developercenter.northcomp.com/article/Creating-A-Composite-Web-Controlhttp://developercenter.northcomp.com/article/Creating-A-Composite-Web-Control Adding user controls to a web application is a fairly easy thing to do. You essentially create a portion of a web page, add your HTML, and then use the con...http://developercenter.northcomp.com/article/Binding-To-Alternate-Data-Sourceshttp://developercenter.northcomp.com/article/Binding-To-Alternate-Data-SourcesTwo of the controls introduced with .NET were the validation control and the validation summary control. I do a lot of server-side validation and I liked the...