shownews.aspx
来自「asp.net经典案例资料」· ASPX 代码 · 共 50 行
ASPX
50 行
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.IO" %>
<html>
<head>
<title></title>
<script language="C#" runat="server" >
void Page_Load()
{
DataSet dataSet = new DataSet();
if( Cache["newsDataSet"] == null)
{
if(!File.Exists(Server.MapPath("news.xml")))
{
DataTable dataTable = new DataTable();
dataTable.Columns.Add(new DataColumn("title", typeof(string)));
dataTable.Columns.Add(new DataColumn("date", typeof(string)));
dataTable.Columns.Add(new DataColumn("content", typeof(string)));
dataSet.Tables.Add(dataTable);
}
else
{
dataSet.ReadXml(Server.MapPath("news.xml"));
}
CacheDependency depend = new CacheDependency(Server.MapPath("news.xml"));
Cache.Insert("newsDataSet", dataSet, depend);
Label1.Text = "XML file Data";
}
else
{
dataSet = (DataSet)Cache["newsDataSet"];
Label1.Text = "Cache Data";
}
grid1.DataSource = dataSet;
grid1.DataBind();
}
void AddNew(object sender, EventArgs e)
{
Response.Redirect("addNews.aspx");
}
</script>
</head>
<body>
<form id="form1" runat="server">
<h3><asp:Label id="Label1" runat="server" /></h3>
<asp:DataGrid id="grid1" runat="server" />
</form>
</body>
</html>
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