calendar_today 06 June 2007 23:15
The contents of an RSS feed only change when items that appear in it are added or amended, so the feed created in the previous article (Create an RSS Feed In ASP.NET 2.0 C#) is rather inefficient, in that the output is generated everytime the feed is requested. Here's an improvement.
calendar_today 05 June 2007 22:13
The built-in functions @@Identity and Scope_Identity() are designed to retrieve the most recently added record's autoincrement identity value from Access and Sql Server respectively. Here are some usage examples.
calendar_today 03 June 2007 22:56
The user has gone to the trouble of selecting a list of checkboxes to indicate their choices. Now you need to re-present their selections so that they can edit them. How do you make sure the correct checkboxes are ticked?
calendar_today 29 May 2007 12:37
Some basic file and folder management tasks that require the use of classes inside System.IO
calendar_today 28 May 2007 21:18
A Cheat Sheet containing the VBScript string functions and their equivalent methods in C#.
calendar_today 24 May 2007 22:01
The is a brief overview of the main classes and methods in the System.Text.RegularExpressions namespace. It doesn't cover Regex patterns in any real depth at all, but gives an introduction to the power of regular expressions using C#.
calendar_today 21 May 2007 21:38
Two classes in the System.Net namespace make it very easy to obtain the html of a remote web page. These are the HttpWebRequest and HttpWebResponse. Here's a quick demo.
calendar_today 20 May 2007 20:21
Examples of splitting strings into arrays using C# and VB.Net, both with the String.Split() method, and the Regular Expressions Split() method.
calendar_today 19 May 2007 20:36
Cheat sheet for C# regular expressions metacharacters, operators, quantifiers etc
calendar_today 16 May 2007 10:06
For the main part, the DataSource controls are incredibly easy to work with. You just drag them onto your page in Design View, wire them up to a connection and provide some kind of command (ad hoc sql query or the name of a stored procedure - saved query in Access), then link them to a databound control on the page using its DataSource property. Then you run the page and all your data appears. But what if you want to get at one or more values from the returned data to do something else with it, like display it in a control that doesn't expose a DataSource property?
calendar_today 14 May 2007 08:44
Metacharacters for use with VBScript regular expressions
calendar_today 12 May 2007 22:54
A number of useful functions for accessing various properties and values of form fields.
calendar_today 11 May 2007 22:35
Using ADO.NET to pull data from the Northwind database (Access version), using the saved query Current Product List.
calendar_today 10 May 2007 22:53
Using ASP.NET to send the contents of a form by email is a common requirement. This sample looks at generating an email using System.Net.Mail in both plain text and html format from a very basic Contact Us form.
calendar_today 08 May 2007 17:32
calendar_today 06 May 2007 23:29
calendar_today 06 May 2007 22:34
The following code will enumerate the tables and their properties, together with the queries in an Access database. Saved SELECT queries are referenced using the Views collection, and INSERT, UPDATE and DELETE queries are referenced from the Procedures collection.
calendar_today 06 May 2007 20:50
calendar_today 06 May 2007 20:38
calendar_today 05 May 2007 20:48
This question gets asked very often in the forums and newsgroups, and is very easy once you know how.