How to Format Numbers with Thousands Separators using C# String.Format()?

Mastering Thousands Separators in C# with String.Format()

The .NET framework provides a straightforward way to format numbers with thousands separators using the String.Format() method. This powerful method allows precise control over string formatting.

To add a comma as a thousands separator, utilize the "n" format specifier. Here's how it works:

• $"{1234:n}": This expression formats the number 1234, adding a thousands separator and displaying two decimal places, resulting in "1,234.00".
• $"{9876:n0}": This example demonstrates formatting without decimal places, yielding "9,876". The 0 after the n specifies zero decimal places.

This technique offers a concise and efficient solution for incorporating thousands separators into your C# applications.

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