In an article about building LINQ queries at runtime in C# 3.0 [1], I described how you can build a LINQ query dynamically, for example by combining a set of conditions using the ‘or’ operator in the where clause. I mentioned that the way I implemented it is largely influenced by the F# language, wh
Tag: Development
Show Hide Div Using JQuery
(amiT jaiN) So many times while developing web application we need to show or hide div or other html elements based on user interaction as shown in picture.
Guide to Implement the Factory Pattern in C#
(V.N.S Arun) This article will focus on explaining the factory pattern in C#, which is one of the most used patterns in the object oriented programming world. People say that design patterns originally evolved in the civil construction field and were later adopted in the software development field.
Collections in Workflow
(Davin Martyn) The Workflow defines a variable that is a collection of classes.The variable can be any typeof collection that supports the interface. The LambdaValue Represents a lambda expression used as an r-value, which supports the binding of In arguments so it is bound to the default value. Di
Viewmodel extractors in ASP.NET MVC
(Jef Claes) Last week, I wrote something on assembling viewmodels in ASP.NET MVC. In that post, I said it would be nice to have a layer between my controller and my domain services that would assemble viewmodels for me. This would work one-way. In the other direction – from controller to domain serv
Change on a Dime: Agile Design
(John Anderson) What does it mean to have a good experience? Think of your favorite restaurant, the interior of your car, and the software on your phone: how do people craft these experiences? What details, planning, and design go into the process?
Updates in Entity Framework
(Peter Vogel) Having just done a column on how LINQ + Entity Framework (EF) makes typical database activities in business applications, I realized that I’d concentrated entirely on retrieving data and ignored doing updates. There’s a reason for that: LINQ doesn’t do updates. Updates are the responsi
Rows and Columns Merging in ASP.NET GridView Control
(Brij Mohan) Its been a long time I have written any article on ASP.NET. Just few weeks back I got a very interesting requirement where I had to customize my GridView by Grouping the Columns and also merging the Rows by using Colspan properties.
Working With ComboBox in FSharp
(Alok Pandey) ComboBox is used to make a single selection from a list of items by user. Now we will create a ComboBox in FSharp application. The syntax for creating ComboBox is given below.
How to Create a Numerals Only TextBox
(Ged Mead) If you want to restrict the user input into a text box, you can check what the current key press is and then decide if it’s an allowed key or not. At the other end of the scale, you can create a standalone user control that can be added to the Toolbox, and have instances of it dragged […]
