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<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<html>
<script language="VB" runat="server">
Sub Page_Load(Src As Object, E As EventArgs)
Dim dataSource As DataView
'Retrieve item from cache if anything is not there then we have to add to the cache
dataSource = Cache("CheDataSet")
If dataSource Is Nothing
Dim Conn As SqlConnection
Dim Cmd As SqlDataAdapter
Conn = New SqlConnection("server=database;uid=sa;pwd=;database=Northwind")
Cmd = New SqlDataAdapter("select * from customers", Conn)
Dim ds As New DataSet
Cmd.Fill(ds, "dsUsers")
dataSource = New DataView(ds.Tables("dsUsers"))
Cache("CheDataSet") = dataSource
CacheMsg.Text = "Dataset was Created directly from the Datebase. Here the Cache was not used but the Cache was Created,so check for the performence next time."
Else
cacheMsg.Text = "Dataset was Retrieved from cache which was created earlier."
End If
MyDataGrid.DataSource=dataSource
MyDataGrid.DataBind()
End Sub
</script>
<body>
<form method="GET" runat="server">
<h3><font face="Verdana">Caching Data Example</font></h3>
<i><asp:label id="CacheMsg" runat="server"/></i>
<ASP:DataGrid id="MyDataGrid" runat="server"
Width="700"
BackColor="#Eaccff"
BorderColor="black"
ShowFooter="false"
CellPadding=3
CellSpacing="0"
Font-Name="Verdana"
Font-Size="8pt"
HeaderStyle-BackColor="#ffaad" />
<p>
</form>
</body>
</html>
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I am working on .Net Techlology Extensively. I am presently in Bangalore.
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