Singleton Design Pattern – C# implementation

The singleton pattern is a software design pattern that is used to restrict instantiation of a class to one object. This is useful when we require exactly one object of a class to perform our operations. In this pattern we ensure that the class has only one instance and we provide a global point ofRead More

How to make String.Contains case insensitive?

The string.Contains() method in C# is case sensitive. And there is not StringComparison parameter available similar to Equals() method, which helps to compare case insensitive. If you run the following tests, TestStringContains2() will fail. Other option is using like this. And here is the case insensitive contains method implementation. And here is the modified tests.Read More

How to change the startup page on a WP7 application

Sometimes you may need to change the startup page of Windows Phone application. By default it will be pointing to MainPage.xaml. You can modify the WMAppManifest.xml to change the default page. In the WMAppManifest.xml you will find the following.(You can get the WMAppManifest.xml by expanding the properties node in the Project Explorer window.) Happy Programming

How to share cookie between HttpWebRequest and WebView

This is post is about another hybrid application scenario. I had to implement this in one of our projects, the problem was like this, unlike other hybrid applications, this project had a native login screen, which will authenticate the user against a REST API service and once the authentication is successful, service will set anRead More

How to return anonymous types from WebAPI

Sometimes you may required to return anonymous types from your WebAPI functions; I found a situation like this today, where I need to return list of values with a count, which was using to plot some graphs. Initially I thought of creating an class for this purpose with a count property, but later I foundRead More

How to authenticate user against active directory

While developing an intranet application, I had to use Active Directory to authenticate the users. I thought I might need to use WMI. But I found a simple solution using PrincipalContext class from the System.DirectoryServices.AccountManagement namespace. You can use the ValidateCredentials() method. You need to pass the domain name as one of the parameter toRead More