37 items found in the C# Category

Usage of the @ (at) sign in ASP.NET

Thursday, January 22, 2015 1:54 PM

C# ASP.NET MVC ASP.NET Web Pages Razor

The number of places where you might use or encounter the @ sign in ASP.NET has grown over the last few years and its exact purpose in all circumstances still seems to cause confusion. Here's an overview of the most common places that it crops up, and guidance on its correct usage.

Click to read more about Usage of the @ (at) sign in ASP.NET ...

Viewed 743 times

1 Comment for this item

Book Review - CLR Via C# Third Edition

Sunday, September 12, 2010 8:14 AM

C# General Book Review

I've had a review copy of Jeffrey Richter's CLR via C#, Third Edition for some months, and it has taken until now to get round to publishing my thoughts on the book. It's not my fault. I blame the book. It made me forget why I was given a copy in the first place. Let me explain...

Click to read more about Book Review - CLR Via C# Third Edition ...

Viewed 8462 times

1 Comment for this item

Finding Yesterday in SQL and C#

Monday, July 12, 2010 9:27 PM

C# SQL

Here's something that comes up often in forums - How To Find Yesterday in SQL or C#. Piece of cake, if you know how, but tricky if you don't. And especially tricky to get the right value if you are not clear on the requirement.

Click to read more about Finding Yesterday in SQL and C# ...

Viewed 15646 times

4 Comments for this item

Converting URLs Into Links With Regex

Saturday, May 22, 2010 10:56 PM

C# Extension Method

Following on from the recent spate of extensions methods I've posted, here's another I use to convert URLs and email addresses into links within HTML. You may want to restrict users from submitting HTML tags via forms in your application, which means that URLs and email addresses that they submit appear as plain text unless they are subjected to some kind of processing.

Click to read more about Converting URLs Into Links With Regex ...

Viewed 10864 times

1 Comment for this item

Highlighting Keywords Found In Search Results

Saturday, May 22, 2010 7:41 PM

C# ASP.NET 3.5 Extension Method ASP.NET Web Forms

A common question in the forums is how to highlight key words found in search results. Here's an extension method that does that, both for partial matches, or whole word matches.

Click to read more about Highlighting Keywords Found In Search Results ...

Viewed 35771 times

6 Comments for this item

Displaying The First n Characters Of Text

Sunday, May 16, 2010 9:59 AM

C# ASP.NET 3.5 Extension Method

Displaying the first n characters of a block of text on a page without chopping words off halfway through is a common requirement. There are a number of ways to achieve this, but here's an extension method that you might find useful.

Click to read more about Displaying The First n Characters Of Text ...

Viewed 26577 times

15 Comments for this item

Using gacutil.exe and Reflection to generate the Exceptions Cheat Sheet

Wednesday, February 10, 2010 7:28 AM

C# Visual Studio General ASP.NET 3.5

The most recent addition to my Cheat Sheets features details of all the Exceptions that can be found in the most commonly used assemblies within ASP.NET development. Compiling this information was an interesting challenge. I could have simply copy-pasted from MSDN, but that would have been extremely tedious. Instead, I ended up with a blend of Linq to XML, Reflection, a dash of Regex and the Global Assembly Cache Tool - gacutil.exe. Here's the full story.

Click to read more about Using gacutil.exe and Reflection to generate the Exceptions Cheat Sheet ...

Viewed 8039 times

3 Comments for this item

Cheat Sheet - .NET Framework Exceptions

Sunday, February 7, 2010 5:19 PM

C# General ASP.NET 3.5

Here's a list of Exceptions that can be found in the assemblies which are most commonly used in ASP.NET development.  Ideally, you should be as specific as possible when catching or throwing Exceptions. The more specific you are, the less work the CLR has to do in locating the appropriate catch block, and the more informative your error messages are, which should help speed up identifying the source of any problems.

Click to read more about Cheat Sheet - .NET Framework Exceptions ...

Viewed 35169 times

6 Comments for this item

Parameterized IN clauses with ADO.NET and LINQ

Monday, September 28, 2009 9:53 PM

C# ADO.NET LINQ ASP.NET 3.5

Since my article on using parameters for Preventing SQL Injection In ASP.NET, I have had a few emails asking how to do the same with an IN clause expression. In this entry, I explore a couple of ways to do this.

Click to read more about Parameterized IN clauses with ADO.NET and LINQ ...

Viewed 37433 times

11 Comments for this item

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

Monday, January 5, 2009 1:54 PM

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 243690 times

117 Comments for this item

Delegates, Anonymous Methods and Lambda Expressions in C#

Sunday, December 7, 2008 7:33 PM

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 65621 times

8 Comments for this item

iTextSharp - Page Layout with Columns

Monday, November 24, 2008 7:41 AM

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 173370 times

18 Comments for this item

iTextSharp - Drawing shapes and Graphics

Monday, November 17, 2008 12:30 PM

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 147587 times

9 Comments for this item

iTextSharp - Working with images

Friday, November 7, 2008 11:00 PM

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 316996 times

38 Comments for this item

iTextSharp - Introducing Tables

Monday, November 3, 2008 7:34 AM

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 417861 times

63 Comments for this item

Recent Comments

stephen 1/28/2015 9:53 PM
In response to ASP.NET MVC 5 with EF 6 - Working With Files
Hi, Sorry for wasting your time, I had a comment <!--Images--> inside the form this stopped it from...

stephen 1/28/2015 9:47 PM
In response to ASP.NET MVC 5 with EF 6 - Working With Files
Everything has been ok up until this part, here's a snippet of the entire file but i removed lines =...

Stephen kenny 1/28/2015 8:26 PM
In response to ASP.NET MVC 5 with EF 6 - Working With Files
Hi, great article. My issue is with the create view. @using (Html.BeginForm("Create", "Reptiles",...

Jenelyn 1/27/2015 6:44 PM
In response to MVC 5 with EF 6 in Visual Basic - Implementing Basic CRUD Functionality
I'm searching CRUD using VB.net 2010 and I can't find any, how sad...

Kadu Portugal 1/23/2015 10:55 AM
In response to Scheduled Tasks In ASP.NET With Quartz.Net
Hi Mike, Thank you for your useful article. I implement it in my project, and everything run...

Satyabrata 1/23/2015 6:02 AM
In response to Usage of the @ (at) sign in ASP.NET
Refreshed a lot of things.Thanks...

Vo Thanh Chinh Trung 1/22/2015 4:30 PM
In response to Adding A View
It's very helpful...Thank you so much, Mikes!...

Joop Stringer 1/22/2015 12:00 PM
In response to Inline Editing With The WebGrid
How to add a row for a new record ?...

Gaetan C 1/21/2015 8:49 PM
In response to Looking At The WebMatrix WebGrid
I use the webgrid very often and I Wonder if it's possible to merge to different sql query into on...

Teresa 1/19/2015 3:08 PM
In response to MVC 5 with EF 6 in Visual Basic - Creating an Entity Framework Data Model
At the top, the first thing you write is "Open Visual Studio and create a new C# Web project named I...