“/”应用程序中的服务器错误。

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行 39: {
行 40: _FallModel = _FallDal.GetModel(_SDFid);
行 41: title1= _FallModel.Ftitle1.ToString();
行 42: }
行 43: if (!IsPostBack)

[NullReferenceException: 未将对象引用设置到对象的实例。]
Project_Details.Page_Load(Object sender, EventArgs e) in f:\hostingspaces_2018\116_204_14_231\mxprint_116_204_14_231202\hydoo.mxprint.com\wwwroot\Project\Details.aspx.cs:41
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +51
System.Web.UI.Control.OnLoad(EventArgs e) +92
MIC.BasePage.OnLoad(EventArgs e) in f:\hostingspaces_2018\116_204_14_231\mxprint_116_204_14_231202\hydoo.mxprint.com\wwwroot\App_Code\BasePage.cs:158
System.Web.UI.Control.LoadRecursive() +54
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +772