Check White Space in textbox (C#)

Question

How to check white space in TextBox?. I want to take username as input, but there shouldn't be any white space. How to check that by returning true false?

Answer 1

Try this:

bool isWhitespace = txtBox.Text.Any(char.IsWhiteSpace);

This question is already resolved here

Answer 2

But there shouldn't be any space.

Use Trim() string function

textbox1.Text.Trim()

How to check space in text box?

bool containspaces = str.Where(c => char.IsWhiteSpace(c)).Count() > 0;