本文整理汇总了VB.NET中System.Web.Caching.CacheDependency.UtcLastModified属性的典型用法代码示例。如果您正苦于以下问题:VB.NET CacheDependency.UtcLastModified属性的具体用法?VB.NET CacheDependency.UtcLastModified怎么用?VB.NET CacheDependency.UtcLastModified使用的例子?那么, 这里精选的属性代码示例或许可以为您提供帮助。您也可以进一步了解该属性所在类System.Web.Caching.CacheDependency
的用法示例。
在下文中一共展示了CacheDependency.UtcLastModified属性的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: Page_Load
' When the page is loaded, use the
' AggregateCacheDependency class to make
' a cached item dependent on two files.
Sub Page_Load(sender As Object, e As EventArgs)
Dim Source As DataView
Source = Cache("XMLDataSet")
If Source Is Nothing
Dim DS As New DataSet
Dim FS As FileStream
Dim Reader As StreamReader
Dim txtDep As CacheDependency
Dim xmlDep As CacheDependency
Dim aggDep As AggregateCacheDependency
FS = New FileStream(Server.MapPath("authors.xml"),FileMode.Open,FileAccess.Read)
Reader = New StreamReader(FS)
DS.ReadXml(Reader)
FS.Close()
Source = new DataView(ds.Tables(0))
' Create two CacheDependency objects, one to a
' text file and the other to an XML file.
' Create a CacheDependency array with these
' two objects as items in the array.
txtDep = New CacheDependency(Server.MapPath("Storage.txt"))
xmlDep = New CacheDependency(Server.MapPath("authors.xml"))
Dim DepArray() As CacheDependency = {txtDep, xmlDep}
' Create an AggregateCacheDependency object and
' use the Add method to add the array to it.
aggDep = New AggregateCacheDependency()
aggDep.Add(DepArray)
' Call the GetUniqueId method to generate
' an ID for each dependency in the array.
msg1.Text = aggDep.GetUniqueId()
' Add the new data set to the cache with
' dependencies on both files in the array.
Cache.Insert("XMLDataSet", Source, aggDep)
If aggDep.HasChanged = True Then
chngMsg.Text = "The dependency changed at: " & DateTime.Now
Else
chngMsg.Text = "The dependency changed last at: " & aggDep.UtcLastModified.ToString()
End If
cacheMsg1.Text = "Dataset created explicitly"
Else
cacheMsg1.Text = "Dataset retrieved from cache"
End If
MyLiteral.Text = Source.Table.TableName
MyDataGrid.DataSource = Source
MyDataGrid.DataBind()
End Sub