Clearing a TextBox in ASP.NET

The best way to do this is

textbox.text = string.Empty;

Also remember that string type is immutable!

It makes no difference - do what is most readable for you and your colleagues.

Many prefer to use string.Empty.

The performance difference between the two options will be too small to measure, most likely.
TextBox.Text = String.Empty; is a lot more readable. It clearly states what you're trying to do: "set the text property of this text box to an empty string".

I recommend you go with the assignment, as it is both faster, and much more clear.

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