no space allowed in string in c# code example

Example 1: c# remove spaces from string

string str = "This is a test";
str = str.Replace(" ", String.Empty);
// Output: Thisisatest

Example 2: how to remove white spaces from string in c#

using System.Linq;

// ...

string example = "   Hi there!    ";
string trimmed = String.Concat(example.Where(c => !Char.IsWhiteSpace(c)));
// Result: "Hithere!"