Hi, today I want to show you how we can do the basic string and digit operations with the LINQ. If you are not using Linq in your current projects, you may find it very tempting to start with it. Once you learn it you will probably be using it all the time 🙂 Lets […]
MVC model binders simply map Http browser requests to model objects. Normally if action invoker is unable to find the proper binder of the provided type, it uses built-in binder class: DefaultModelBinder. Default model binder is using following sources to bind to model object: Request.Form, RouteData.Values, Request.QueryString, Request.Files. The search for values is also done […]
When creating reports you may want to calculate median value from the subset of data. The most efficient way to do it is to use stored procedure. To get the median value we simply need to order the data by the sought value and take the number from the middle. The code below does it’s […]
When reading and validating URL parameters you probably came across the situation that you wanted to hide some values for security reasons. Such a situations happen very often eg. when confirming email address of an user by sending validation link or by validating payment callback etc. One of the solutions is to encrypt Url parameters […]
MVC it’s so great and flexible framework that even lets you create your own custom view engine if you need to replace Razor’s default rendering. You will probably not need this but we I will show you how to do it. In our example we simply display all view data that are available during http […]
When using default asp.net Tree View control there is always been a problem to get the proper styling at the node level. Example of that is trying to set an node font weight to bold. The simplest solution is to create custom tree view node that inherits from default TreeNode class. When overriding RenderPreText method […]
If you want to do an http post from code behind eg. to redirect to payment page it is sometimes useful to have an helper to be used throughout your application. Below is the simple class that does it’s job. When using it you simply add your parameters in the button click event before doing […]
Some times there is a need to format DataTextField value of the DropDownList without changing the data source structure. One of the ways to achieve this is to use LINQ by changing the property value “on the fly”. We just need to create the new structure that is being bound to the DropDownList. This is […]
One of the main principles of the Object Oriented Programming is the Polymorphism. This term simply means that an class can be used as more than one type through inheritance. It can have it’s own type, the base type or interface type it inherits from. In C# every type is polymorphic as the all types […]
Ever wanted to export Skype chat history to text or xml files? There is an solution for that as it seems that there is no such a option in new Skype version. It is possible thanks to Skype Interop object which allows us to interact and extend the application functionality. In order to start we […]
