TextBox的一些操作（WinForm)

        /// <summary>
        /// 可以输入小数和整数(不包括负数)
        /// </summary>
        /// <param name="e"></param>
        public static void ControlTextBoxDigital(System.Windows.Forms.KeyPressEventArgs e)
        {
            if (e.KeyChar != 46 && !char.IsDigit(e.KeyChar) && e.KeyChar != 8)
                e.Handled = true;
        }


        /// <summary>
        /// 只能输入整数(不包括负数)
        /// </summary>
        /// <param name="e"></param>
        public static void ControlTextBoxInt(System.Windows.Forms.KeyPressEventArgs e)
        {
            //保证这里只能输入数字
            if (!(Char.IsNumber(e.KeyChar) || e.KeyChar == 8))
            {
                e.Handled = true;
            }
        }