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

Latest Entries

Bind Data From a SqlDataSource to a Label

25 August 2007 10:32

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

Label controls in ASP.NET don't have a smart tag that allows you to select a data source, so at first glance, it is not easy to see how to bind a value returned from a SqlDataSource or AccessDataSource control to the label. Here's how to programmatically access the data returned by such a DataSource and apply it to a non-databound control.

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Viewed 225927 times

32 Comments for this item

Consuming RSS feeds in an ASP.NET page

18 August 2007 23:12

ASP.NET 2.0 ASP.NET Web Forms

I like reading Scott Guthrie's blog. Trouble is, I get so busy, I forget to go over there and have a look to see what's new. I was searching for something the other day, and stumbled across someone else's blog (I forget whose), but I noticed that they had the 5 most recent items in Scott's blog embedded in their home page. It was only then that I discovered that Scott Mitchell has written a whole load more tutorials on Data Access, and that these have been available for a while. So I got to thinking that I should add a feed from Scott G's site onto the home page here, so I can be updated more quickly. Here's the bare bones of how I did it.

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Viewed 13724 times

1 Comment for this item

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 20746 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 27343 times

2 Comments for this item

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 54233 times

4 Comments for this item

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 54700 times

4 Comments for this item

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 10011 times

0 Comments for this item

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 14964 times

0 Comments for this item

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 405374 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 104412 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 20238 times

0 Comments for this item

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 22943 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 62956 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 117690 times

8 Comments for this item

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