private void tbNomSala_TextChanged(object sender, EventArgs e) { Validacion v = new Validacion(); tbNomSala.Text = v.validar(tbNomSala.Text); tbNomSala.Select(tbNomSala.Text.Length, 0); tbNomSala.CharacterCasing = CharacterCasing.Upper; string txtAnt = tbNomSala.Text; if (tbNomSala.Text.Length > 1) { tbNomSala.Text = tbNomSala.Text.Substring(0, 1); } }
public void TextBox_KeyPress(object sender, KeyPressEventArgs e) { Validacion v = new Validacion(); if (v.validar(e)) e.Handled = true; else e.Handled = false; }