堆栈跟踪:
[NullReferenceException: Object reference not set to an instance of an object.
**StartupMilestones.Site.Page_Load(Object sender, EventArgs e) in
C:\inetpub\wwwroot\StartupMilestones\StartupMilestones\Site.Master.vb:8**
System.Web.UI.Control.OnLoad(EventArgs e) +91
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, _
Boolean includeStagesAfterAsyncPoint) +2207
我似乎无法弄清楚为什么我会收到 NullReferenceException。这是我目前为 Site.Master.vb 提供的唯一代码:
Public Class Site
Inherits System.Web.UI.MasterPage
Public Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles
Me.Load
Dim lbluserid As New Label
lbluserid.Text = "YO!"
End Sub
End Class
奇怪的是,堆栈跟踪在此位置引用第 8 行:**C:\inetpub\wwwroot\StartupMilestones\StartupMilestones\Site.Master.vb:8**
而 VS 中的文件显示C:\Working Projects\StartUpMilestones\DEV\Site.Master.vb
在“属性”窗口中。有什么问题?谢谢!