private void Btn_ok_Click(object sender, RoutedEventArgs e)
        {
            try
            {
                if (string.IsNullOrEmpty(oldFilePath) || string.IsNullOrEmpty(tb_name.Text) || string.IsNullOrEmpty(tb_tableno.Text))
                {
                    CustomMessageBox.ShowInfoMessage("图片、姓名、桌号缺一不可!");
                    return;
                }
                //文件夹不存在的话,创建文件夹
                if (!Directory.Exists(CommonValues.IMAGEPATH))
                {
                    Directory.CreateDirectory(CommonValues.IMAGEPATH);
                }
                //复制图片到指定的目录
                string imgName = Guid.NewGuid().ToString("N") + ".jpg";
                File.Copy(oldFilePath, CommonValues.IMAGEPATH + "\\" + imgName);

                DBHelper.InsertSalesMans(tb_name.Text.Trim(), imgName, tb_tableno.Text.Trim());

                CustomMessageBox.ShowInfoMessage("添加业务员成功!");
                oldFilePath     = string.Empty;
                tb_name.Text    = string.Empty;
                tb_tableno.Text = string.Empty;
                img.Source      = null;
            }
            catch (Exception ex)
            {
                CustomMessageBox.ShowInfoMessage("添加业务员失败!\r\n失败原因:" + ex.ToString());
            }
        }
 private void Btn_path_Click(object sender, RoutedEventArgs e)
 {
     try
     {
         OpenFileDialog openFileDialog = new OpenFileDialog();
         openFileDialog.Filter = "图片|*.jpg;*.png;*.jpeg";
         if (openFileDialog.ShowDialog() == true)
         {
             oldFilePath = openFileDialog.FileName;
             img.Source  = ImageHelper.GetImageSourceFromString(oldFilePath);
         }
     }
     catch (Exception ex)
     {
         CustomMessageBox.ShowInfoMessage("读取图片失败!\r\n失败原因:" + ex.ToString());
     }
 }