C# Help

Working with strings is a very common task for most C# developers. The .NET Framework offers good variety of tools for working with strings, but care must be taken as there are several gotchas to trip up the beginner. The first thing to note about strings in .NET is that they are Reference Types. Reference [...]

There are three primary methods of passing parameters to C# methods: Regular Parameter Passing This is passing parameters with no modifying keywords : void MyMethod(Student studentObj, int aNumber) { aNumber += 5; studentObj.Name = “Jon”; } In the above example MyMethod takes two parameters – a Student object and an Integer. Note the difference between [...]

Very often the inbuilt numerical formatting in C# will be insufficent and you will want to apply the custom formatting for your numbers. The String.Format method is very flexible and can be used to apply custom formatting rules. The # character informs the Format method how to format the numerical value, for example to forma [...]

C# ships with several inbuilt formatting specifies which can be used to quickly format a number, for example the ‘c’ specifier will format the number as a currency: double dbl1 = 9999999.9999999; outputStr = string.Format(“This is the currency format {0:c}”, dbl1); This will output the numerical value as a currency based on the user’s current [...]

Working with strings is a common task in most apps but there are several ‘gotchas’ that can arise due to the immutable nature of a  String in .NET. Immutable simply means that once created it doesn’t change. This seems strange at first since the value of a string variable can indeed be altered : string [...]