未将对象引用37传奇网页版设置到对象的实例。

[NullReferenceException: 未将对象引用设置到对象的实例。] biz.chinaaquatic.cn.SaleDetail.Page_Load(Object sender, EventArgs e) in D:\0-1水产网独立开发\biz.chinaaquatic.cn\SaleDetail.aspx.cs:16 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +99 System.Web.UI.Control.LoadRecursive() +50 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627