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

Latest Entries

Preventing duplicate User Names with ASP.NET and jQuery

24 January 2009 18:18

AJAX Javascript ASP.NET 3.5 jQuery

It's a common problem: you have a registration form, but you want to prevent user names or other values from being used more than once. You need a user-friendly way to prevent duplicate values being submitted. This is where the simplicity of jQuery excels.

Click to read more about Preventing duplicate User Names with ASP.NET and jQuery ...

Viewed 52906 times

24 Comments for this item

Ajax with Classic ASP using jQuery

17 January 2009 23:13

Classic ASP VBScript AJAX Javascript jQuery

My simple article on Ajax with Classic ASP is one of the most popular on this site. So I thought it's about time I updated it to show how to use jQuery to Ajaxify a Classic ASP page. Since I did that, the jQuery version became even more popular but needed to be brought up to date. This latest version uses a couple of suggestions that have been provided by commentors to improve the code. I have also added a download which contains all the code needed to run the samples.

Click to read more about Ajax with Classic ASP using jQuery ...

Viewed 202641 times

15 Comments for this item

Cascading DropDownLists with jQuery and ASP.NET

13 January 2009 08:47

AJAX Javascript ASP.NET 3.5 jQuery

Cascading DropDownLists or dependent dropdowns are the signature dish for AJAX applications. I spent quite a while fiddling to try to get some to work, before stumbling across a life-saving jQuery plugin that makes working with DropDownLists on the client-side a breeze. This article shows how it all works, and makes use of the WebService I introduced in my previous jQuery article.

Click to read more about Cascading DropDownLists with jQuery and ASP.NET ...

Viewed 153683 times

16 Comments for this item

Handling JSON Arrays returned from ASP.NET Web Services with jQuery

10 January 2009 09:09

AJAX Javascript ASP.NET 3.5 jQuery ASP.NET Web Forms

There appear to be many articles showing how to use jQuery with ASP.NET Web Services around, but the vast majority of them illustrate the use of PageMethods that return a single value - typically "Hello World!" or the current date and time. Not much use in the real world, where you may more often need to call a service that returns a collection of complex objects. Here are a couple of examples that look at playing with more than just simple values.

Click to read more about Handling JSON Arrays returned from ASP.NET Web Services with jQuery ...

Viewed 373966 times

33 Comments for this item

Upload and Crop Images with jQuery, JCrop and ASP.NET

05 January 2009 13:54

C# AJAX Javascript ASP.NET 3.5 jQuery

I got given jQuery In Action for Christmas. By nature, I'm kind of a late adopter, and I'm already regretting this fact. jQuery has been around for some time, and I wished I had looked at it sooner. It's a fantastic library that really simplifies Javascript development, and is already attracting a goodly number of plug-ins. JCrop is one such, and while it hasn't yet reached version 1.0, it is remarkably easy to use as a web based image cropper. Here's how to put jQuery, JCrop and a FileUpload control together to allow users to upload images and crop them.

Click to read more about Upload and Crop Images with jQuery, JCrop and ASP.NET ...

Viewed 294761 times

118 Comments for this item

Create a Google Site Map with ASP.NET

31 December 2008 09:32

ASP.NET 3.5 ASP.NET Web Forms

Over Christmas, I had a bit of spare time, so I decided to add some functionality to this site. One of the things that I added was the ability for people to post comments about specific articles, and you will see that a form has been added at the end of this article. The other thing I have been meaning to get round to is to add a Google Site Map. I believe I have created my site to be as friendly to Google's bots as possible, but there is no harm in submitting a site map to guarantee that Google knows about all the pages I want indexed.

Click to read more about Create a Google Site Map with ASP.NET ...

Viewed 53374 times

14 Comments for this item

A DataBound Javascript News Ticker for ASP.NET

25 December 2008 14:18

Javascript ASP.NET 3.5

It's funny how requirements come along like buses in the ASP.NET forums - you suddenly get the same thing asked for by two or more people in quick succession. Recently, a couple of people asked for help creating a Javascript ticker, like the one at the top of the BBC News site, which displays a selected number of headlines drawn from a database. I had adapted the code from the BBC site to create a similar widget that displayed the most recent threads in a message board on an old Classic ASP site some time ago. It's about time I dusted it off and updated it for use in an ASP.NET application.

Click to read more about A DataBound Javascript News Ticker for ASP.NET ...

Viewed 50922 times

28 Comments for this item

MS Access Date and Time with ASP.NET

13 December 2008 21:47

MS Access ASP.NET 3.5

Getting odd results and unexpected errors when working with Dates and Times in Access through ASP.NET is a common problem. Here's an overview of the Access DateTime data type, and some resolutions to the more frequently encountered errors.

Click to read more about MS Access Date and Time with ASP.NET ...

Viewed 57787 times

6 Comments for this item

Delegates, Anonymous Methods and Lambda Expressions in C#

07 December 2008 19:33

C# ASP.NET 3.5

Delegates in C# cause a fair amount of confusion, but with the introduction of LINQ to SQL and the profilic use of the Lambda Expression operator (=>) that it has foisted on an unprepared batch of beginners, an understanding of how these two items are related, together with Anonymous Methods becomes more important. Most definitions of Delegates that you find start off with comparing them to "function pointers in C or C++", which is great if you ever worked with those languages and understood them, but not helpful to new programmers. Here's my attempt at simplifying the various concepts.

Click to read more about Delegates, Anonymous Methods and Lambda Expressions in C# ...

Viewed 74202 times

8 Comments for this item

Microsoft Chart Controls For ASP.NET

28 November 2008 13:38

ASP.NET 3.5

Many times, I have seen questions about where to obtain Charting controls for ASP.NET web applications, and until recently, the answer has always been to have a look at many of the third party offers that are available from the leading control development companies. That is until Microsoft released their Chart Controls for both Windows Forms and ASP.NET to work with .Net 3.5 SP1.

Click to read more about Microsoft Chart Controls For ASP.NET ...

Viewed 60166 times

12 Comments for this item

iTextSharp - Page Layout with Columns

24 November 2008 07:41

C# ASP.NET 3.5 iTextSharp

I have now covered many of the basics involved in generating PDF files from ASP.NET using iTextSharp in the series of articles listed below. This article will look at additional ways to provide formatting to documents through the use of columns.

Click to read more about iTextSharp - Page Layout with Columns ...

Viewed 222928 times

18 Comments for this item

iTextSharp - Drawing shapes and Graphics

17 November 2008 12:30

C# ASP.NET 3.5 iTextSharp

The previous iTextSharp article looked at bringing images into a PDF file and working with them. Sometimes, however, you may want to draw shapes and lines within the PDF and not rely on images. iTextSharp includes a lot of functionality that covers simple drawing to quite complex shapes. This article gets you started. Previous articles are listed below:

Click to read more about iTextSharp - Drawing shapes and Graphics ...

Viewed 218748 times

13 Comments for this item

iTextSharp - Working with images

07 November 2008 23:00

C# ASP.NET 3.5 iTextSharp

The seventh article in my iTextSharp series looks at working with images. This article builds on the previous six which are listed below.

Click to read more about iTextSharp - Working with images ...

Viewed 463219 times

48 Comments for this item

iTextSharp - Introducing Tables

03 November 2008 07:34

C# ASP.NET 3.5 iTextSharp

Tables will probably be one of the most used elements in PDFs generated from ASP.NET applications to provide the structure for documents such as orders and invoices. This overview is not an exhaustive examination of tables, but provides an introduction to working with them through iTextSharp, and builds on the previous articles in this iTextSharp series:

Click to read more about iTextSharp - Introducing Tables ...

Viewed 588831 times

70 Comments for this item

Book Review - Beginning ASP.NET 3.5 in C# and VB

26 October 2008 11:01

C# VB.Net ASP.NET 3.5 Book Review

Over the years, I have picked up and read many Beginners books that attempt to get someone started on the road to building web sites with ASP.NET. Nearly all of them assumed that their readers know more than they might. Some of them seem to assume that all readers are upgrading from one version of the .NET framework to another, while others assume that you already know about core web development technologies such as HTML, CSS, C# or VB etc. I well remember being frustrated with my first book, in that it didn't give me enough basic information to get started with web development, let alone web development with ASP.NET. Now, up steps Imar Spaanjaars, with his effort: Beginning ASP.NET 3.5 in C# and VB (Wiley/Wrox, ISBN: 978-0-470-18759-3).

Click to read more about Book Review - Beginning ASP.NET 3.5 in C# and VB ...

Viewed 37095 times

0 Comments for this item

Recent Comments

Pam 30/08/2017 11:30
In response to Sending Email in Razor Pages
Mike, RazorPages sound like a nice choice for somebody still working in ASP classic who wants to to...

Robby Robson 15/08/2017 00:43
In response to Routing in Razor Pages
Mike: great stuff. Now that .Core Standard 2.0 is formally out, how soon will you rewrite your book...

Satyabrata Mohapatra 28/07/2017 08:59
In response to Sending Email in Razor Pages
Bit off topic, but congratulation sir for your MVP award. You deserve it !!!...

Satyabrata Mohapatra 23/07/2017 16:43
In response to Razor Pages - The Elevator Pitch
@Dale Severin You can continue to build apps using asp.net web pages....

Satyabrata Mohapatra 23/07/2017 16:40
In response to Sending Email in Razor Pages
Thanks for sharing...learned a lot...

Gfw 22/07/2017 11:53
In response to Sending Email in Razor Pages
Question... Does System.Net.Mail support SSL?...

Dale Severin 20/07/2017 03:38
In response to Razor Pages - The Elevator Pitch
I work with razor web pages extensively. I appreciate the rapid development it permits me to I am as...

Obinna Okafor 14/07/2017 01:19
In response to Routing in Razor Pages
Thank you, Mike. Good post....

Satyabrata Mohapatra 11/07/2017 16:02
In response to Routing in Razor Pages
Very powerful routing system!!...

Cyrus 05/07/2017 03:41
In response to Razor Pages - Getting Started With The Preview
How can I trim packages and services as much as possible to use just razor pages? I don’t want to to...