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Persisting form values in classic ASP may be a pain, but sometimes it needs to be done. Luckily for you, this week we've got a sample that shows you how.

This week we're back with an ASP.NET 2.0 version of the script we published in answer to the question: "When I'm sending an HTML formatted email, is there a way to load my HTML from a file so I don't have to deal with things like double quotes and vbCrLf characters?"

One of our visitors recently asked "When I'm sending an HTML formatted email, is there a way to load my HTML from a file so I don't have to deal with things like double quotes and vbCrLf characters?"

If you're anything like me, at times you probably get a little overwhelmed by the amount of email you need to process. To help you manage your mail, Microsoft Outlook offers you the ability to flag messages with different status codes... the most common one being "Follow up". But why should we have to set this flag ourselves?

One of our readers wrote in and wanted to share a comment about how browsers render long tables and the effect it has when you use buffering.

This visitor submission displays a calendar in a pop up window so a user can choose a date. Once that date is picked, the calendar returns that value to the parent form.

So you're using ASP.NET... no problem. Here's an ASP.NET version that illustrates how to set timeouts and handle the error that is thrown when the remote server doesn't respond quickly enough.

This script is a version of our HTTP sample which is designed to have the request time out in order to illustrate how to handle HTTP timeout errors. It was written to demonstrate how to use the WinHttpRequest object's SetTimeout method and handle the error it throws when a timeout expires.

This sample uses ASP.NET to seach a text file for a user specified query phrase. It displays the complete file being searched with the search phrase highlighted and lists the line numbers on which the search phrase was found at the bottom.

This sample shows you how to search a text file for a phrase. As currently implemented, it displays the complete file being searched with the search phrase highlighted and lists the line numbers on which the search phrase was found at the bottom.

What if you want to filter or sort the list of files you display to your visitors, but still make them think they are seeing the files via IIS's directory browsing feature? This sample script isn't exactly the same as IIS's built in directory browsing, but it's pretty darn close.

Just like our classic ASP version, the ASP.NET version of this sample lets you easily generate 1D barcodes that use the Code 39 symbology. Instead of a function, this version is implemented as a user control to make it even easier to use.

This sample shows you one method for easily generating 1D barcodes that use the Code 39 symbology which handles uppercase letters, digits, spaces, and a few symbols. It's simple, easy to generate, and is supported by almost all barcode readers.

I was recently working on a project where the client was moving an Excel-based worksheet to a web-based application. While they wanted to put the functionality on the web, they also wanted to keep the same look and feel as much as possible. After about 5 minutes of trying to mimic the Excel sheet in HTML, I started thinking that there had to be a better way.

In ASP.NET 1.x the label control was pretty boring. It basically placed whatever text it was assigned inside a <span> tag and that was about it. In ASP.NET 2.0, the label control has been given a new lease on life with the inclusion of the AssociatedControlID property.

This sample uses ASP.NET to create a progress bar type of display for use on a web page. It is implemented as a user control so that it's extremely simple to use. It includes five different styles implemented three different ways so you can choose whatever style you prefer.

Unfortunately, we all know what progress bars are. As annoying as it is to sit and stare at one, it's better then sitting there waiting for a program to do something without knowing if it's frozen or not. While HTTP doesn't offer the same level of interactivity as a desktop application, there are still instances where a progress bar type of display can be useful.

What if you want to filter or sort the list of files you display to your visitors, but still make them think they are seeing the files via IIS's directory browsing feature? This sample script isn't exactly the same as IIS's built in directory browsing, but it's pretty darn close.

Our original Directory List sample simply returned the list of files in whatever order it found them on the file system. Then we published our Sorted Directory List sample which allowed the webmaster to choose how to sort the list of files. This time around we've taken it one step further. This sample lets your visitors sort the file list simply by clicking on the corresponding title in the header. It's very much like our Database Sort sample except that the data being manipulated comes from the file system instead of a database.

The Microsoft ASP.NET Futures May 2007 ("Futures") release contains an early developer preview of features currently being considered for future versions of ASP.NET and the .NET Framework. These features include Silverlight controls, dynamic languages, AJAX extensions, and more.