/// <summary>        /// 检查非空字段        /// </summary>        /// <param name="IsOk"></param>        /// <param name="textboxes"></param>        private void CheckTextBoxNotNull(ref bool IsOk, params TextBox[] textboxes)        {            foreach (TextBox txtBox in textboxes)            {                txtBox.Background = Brushes.White;                if (txtBox.Text.Length <= 0)                {                    IsOk = false;                    txtBox.Background = Brushes.Red;                }                else                {                    txtBox.Background = null;                }            }        }

/// <summary>        /// 设置控件        /// </summary>        /// <param name="IsEn"></param>        /// <param name="IsNull"></param>        private void SetControl(bool IsEn ,bool IsNull)        {            foreach (UIElement c in grd_UserInfo.Children)            {                if (c is TextBox)                {                    c.IsEnabled = IsEn;                    if (IsNull)                    {                        ((TextBox)c).Text = "";                    }                }                if (c is ComboBox)                {                    c.IsEnabled = IsEn;                    if (IsNull)                    {                        ((ComboBox)c).SelectedIndex = -1;                    }                }                if (c is DatePicker)                {                    c.IsEnabled = IsEn;                    if (IsNull)                    {                        ((DatePicker)c).SelectedDate = null;                    }                }            }            btn_ChoosePhoto.IsEnabled = IsEn;        }

/// <summary>        /// 验证邮箱输入是否合法        /// </summary>        /// <param name="strIn"></param>        /// <returns></returns>        private bool IsValidEmail(string strIn)        {            return Regex.IsMatch(strIn, @"^([\w-\.]+)@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.)|(([\w-]+\.)+))([a-zA-Z]{2,4}|[0-9]{1,3})(\]?)$");        }