ControlChars.Back ERROR
ControlChars.Back ERROR, how to solving it ?
public void TextBox1_KeyPress(object sender, System.Windows.Forms.KeyPressEventArgs e) { if ((e.KeyChar < '0'|| e.KeyChar > '9') && e.KeyChar != ControlChars.Back && e.KeyChar != '.'&& e.KeyChar != ',') { //cancel key e.Handled = true; } }
e.KeyChar != ControlChars.Back && e.KeyChar != '.'&& e.KeyChar != ','