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Snippet: TextBox AlphaNumeric Restriction (C#)
Title: TextBox AlphaNumeric Restriction Language: C#
Description: Event to check if textbox input is alphanumeric Views: 57
Author: Matthew Briggs Date Added: 1/27/2012
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1private void textBoxX_KeyPress(object sender, KeyPressEventArgs e)
2        {
3            if (!(Char.IsLetter(e.KeyChar) || Char.IsDigit(e.KeyChar) || Char.IsControl(e.KeyChar)))
4                e.Handled = true;
5        }