检查各个控件是否有空值 #winform

CheckEmpty.cs

        /// <summary>
        /// 检查各个控件是否有空值
        /// </summary>
        /// <returns>无空值返回true</returns>
        private Boolean CheckEmpty()
        {
            foreach (Control cur in this.Controls)
            {
                //if (cur is TextBox && cur.Text == "") /*两种方式皆可，下面的更好*/
                if(cur is TextBox && string.IsNullOrEmpty(cur))
                {
                    return false;
                }
            }
            return true;
        }