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Asked: 2026-05-25T12:13:58+00:00

What is the advantages between the syntax in C# (or other programmign languages) to

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What is the advantages between the syntax in C# (or other programmign languages) to displaying text in an application.

decimal fooTotal = 2.53;

For example:

Console.WriteLine("Filtered total: {0:c}", fooTotal);

VS

Console.WriteLine("Filtered total: " + fooTotal);

I see the first method in more examples and books (Current the MVC 3 book I’m going through) but I was taught method 2. I could hypothesize that method one would allow you to change values quickly? The first value would also be displayed in currency which I”m also assuming is more succinct ?

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1 Answer

  1. Editorial Team

    The first form applies the c format specifier to the value, which treats it as a currency. To change the second snippet to behave similarly, you could use:

    Console.WriteLine("Filtered total: " + fooTotal.ToString("c"));

    I’ll often use string concatenation (the second form) for just a single parameter, but when I’ve got multiple values to include or I want to specify a format specifier, I’ll use string.Format or the equivalent. (Console.WriteLine effectively calls string.Format for you here.)

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