/// <summary>
 /// 新增或修改渠道类型
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void Page_Load(object sender, EventArgs e)
 {
     if (!Page.IsPostBack)
     {
         //修改渠道类型,首先获取渠道类型数据
         int id;
         if (int.TryParse(Request.QueryString["id"], out id))
         {
             ViewState["channelType"] = new ChannelTypeBll().GetEntityById(id);
         }
     }
     else
     {
         //将渠道类型新增或修改的数据保存到数据库
         var entity = new ChannelTypeEntity()
         {
             ID = Request.Form["ID"] == null ? 0 : int.Parse(Request.Form["ID"]),
             Name = Request.Form["Name"]
         };
         new ChannelTypeBll().UpdateOrInsertEntity(entity);
         //回到渠道类型列表页面
         Response.Redirect("ChannelTypeList.aspx");
         Response.End();
     }
 }
 /// <summary>
 /// 删除渠道类型
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void Page_Load(object sender, EventArgs e)
 {
     //获取渠道类型ID
     int id;
     if (int.TryParse(Request.QueryString["id"], out id))
     {
         //删除渠道类型并返回删除结果
         bool result = new ChannelTypeBll().DeleteEntityById(id);
         Response.Write(result.ToString());
         Response.End();
     }
 }
 /// <summary>
 /// 渠道类型列表
 /// </summary>
 /// <param name="sender"></param>
 /// <param name="e"></param>
 protected void Page_Load(object sender, EventArgs e)
 {
     //获取渠道类型列表数据
     ViewState["ChannelTypeList"] = new ChannelTypeBll().GetEntities();
 }