📄 calendar.aspx

📁 asp.net经典案例资料
💻 ASPX
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<%@ Page Language="C#" Debug="true" %>
<%@ Import namespace="System.IO" %>
<html>
  <head>
    <title>Calendar Example</title>
    <script language="C#" runat="server">
      string ReadDate(DateTime date)
      {
        StreamReader reader;
        try
        {
          reader = File.OpenText(Request.PhysicalApplicationPath
              + "\\lesson9\\" + date.ToLongDateString());
          string s = reader.ReadToEnd();
          reader.Close();
          return s;
        }
        catch(FileNotFoundException e)
        {
          return "";
        }
        catch(Exception e)
        {
          Response.Write(e.ToString());
          return e.ToString();
        }
      }
      void WriteDate(DateTime date, string content)
      {
        StreamWriter writer;
        try
        {
          writer = File.CreateText(Request.PhysicalApplicationPath
              + "\\lesson9\\" + date.ToLongDateString());
          writer.Write(content);
          writer.Close();
        }
        catch(Exception e)
        {
          Response.Write(e.ToString());
        }
      }
      void Page_Load()
      {
        if(!IsPostBack)
        {
          calendar1.SelectedDate = DateTime.Now;
          Label1.Text = calendar1.SelectedDate.ToLongDateString();
          txtTodayTask.Text = ReadDate(calendar1.SelectedDate);
          Session["LastDate"] = calendar1.SelectedDate;
        }
      }
      void OnSelectionChanged(object sender, EventArgs arg)
      {
        WriteDate((DateTime)Session["LastDate"], txtTodayTask.Text);
        Label1.Text = calendar1.SelectedDate.ToLongDateString();
        txtTodayTask.Text = ReadDate(calendar1.SelectedDate);
        Session["LastDate"] = calendar1.SelectedDate;
      }
    </script>
  </head>

  <body>
    <h3>Calendar Example</h3>
    <form id="form1" runat="server">
      <asp:Calendar id="calendar1" runat="server" 
          SelectionMode="Day"
          OnSelectionChanged="OnSelectionChanged" >
          <SelectedDayStyle forecolor="Yellow" backcolor="Blue">
          </SelectedDayStyle>
      </asp:Calendar>
      <hr/>

      <asp:Label id="Label1" runat="server"/><br/>
      <asp:TextBox id="txtTodayTask" 
          TextMode="Multiline" Columns="44" 
          Rows="5" runat="server" />
    </form>
  </body>
</html>
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