A collection of articles and tutorials on web development with ASP.NET by Mike Brind

Latest Entries

Debugging Classic ASP pages in Visual Studio 2005 on Windows XP Pro

17 August 2007 10:28

Classic ASP Visual Studio

As an ardent Dreamweaver user for classic ASP, I used to debug my scripts with a plethora of Response.Write and Response.End statements, outputting the values of various values to the browser to check that logic was working as intended. However, I recently discovered how to use the VS 2005 debugger to make debugging classic ASP (almost) a joy.

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Viewed 20708 times

2 Comments for this item

List the contents of a folder and link to each file

10 August 2007 21:33

ASP.NET 2.0

Iterating the contents of a folder is straightforward using classes from System.IO, and listing them as links to the actual file just requires a bit of html added to each file name.

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Viewed 27095 times

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Exporting data to a CSV, tab delimited or other text format

02 August 2007 23:41

ASP.NET 2.0 ADO.NET

A question that often comes up in forums is how to export data to a CSV file, or other text format. Here's a method that takes data from a DataReader and writes it to a file.

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Viewed 53878 times

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Displaying One-To-Many Relationships with Nested Repeaters

27 July 2007 14:24

ASP.NET 2.0 ADO.NET ASP.NET Web Forms

This item could also have been entitled "Displaying Master-Detail Data" or "Displaying Categorised Data", but the principal is the same: you have what are essentially headings or categories, and a group of entries that belong to each heading that you want to display. Typical examples would include the Models of cars by Manufacturer, or Employees by Department. Here's how to do it quite simply using nested Repeaters.

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Viewed 54531 times

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Customising a ListControl's DataTextField value

06 July 2007 12:19

ASP.NET 2.0 ASP.NET Web Forms

The DataTextField property is used with ListControls - RadioButtonList, CheckBoxList etc to specify a field in the DataSource property to display as the items of the list in the list control. Sometimes, however, you don't want just the value from one database field to appear in the list, and there are a couple of ways to achieve this, depending on what you want to do.

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Viewed 9978 times

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A more efficient RSS feed with C#

06 June 2007 23:15

C# ASP.NET 2.0

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.

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Viewed 14947 times

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Getting the identity of the most recently added record

05 June 2007 22:13

SQL SQL Server Express MS Access ADO.NET

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.

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Viewed 402320 times

46 Comments for this item

Saving a user's CheckBoxList selection and re-populating the CheckBoxList from saved data

03 June 2007 22:56

ASP.NET 2.0

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?

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Viewed 103906 times

11 Comments for this item

Basic file management with System.IO in ASP.NET

29 May 2007 12:37

C# ASP.NET 2.0

Some basic file and folder management tasks that require the use of classes inside System.IO

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Viewed 20179 times

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VBScript to C# - Equivalent string functions

28 May 2007 21:18

VBScript C#

A Cheat Sheet containing the VBScript string functions and their equivalent methods in C#.

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Viewed 22880 times

1 Comment for this item

C# Regular Expressions - the basics

24 May 2007 22:01

C#

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#.

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Viewed 62734 times

0 Comments for this item

How to read a remote web page with ASP.NET 2.0

21 May 2007 21:38

C# ASP.NET 2.0

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.

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Viewed 117381 times

8 Comments for this item

Splitting strings with C# and VB.NET

20 May 2007 20:21

C# VB.Net

Examples of splitting strings into arrays using C# and VB.Net, both with the String.Split() method, and the Regular Expressions Split() method.

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Viewed 47070 times

1 Comment for this item

C# Regular Expressions Cheat Sheet

19 May 2007 20:36

C#

Cheat sheet for C# regular expressions metacharacters, operators, quantifiers etc

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Viewed 898578 times

37 Comments for this item

Programmatically accessing data from DataSource controls

16 May 2007 10:06

C# ASP.NET 2.0 ADO.NET

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?

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Viewed 112991 times

8 Comments for this item

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