default.aspx.cs

一个简单的Demo

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using Surance.DB4ODAL;
using Surance.DBUtility;
using Db4objects.Db4o;
using System.Collections.Generic;
using Surance.Utility;

public partial class Front_Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            BindData();
            this.Title = "首页";
            BindIntro();
        }
    }

    private void BindData()
    {
        IObjectContainer db = DB4OHelper.DB;
        try
        {
            Blog le = new Blog(db);
           
            IObjectSet result = null;
            result = le.GetAll();
            ArrayList first5 = new ArrayList(5);
            for (int i = 0; i < 5; i++)
            {
                Blog one = (Blog)result[i];
                if(one.Content.Length>500)
                 one.Content=one.Content.Substring(0,500);
                if (result.Count > i)
                    first5.Add(one);
            }
            this.rptExperience.DataSource = first5;
            this.rptExperience.DataBind();

           

        }
        catch
        {

        }
        finally
        {
            db.Close();
        }
    }



  

    private void BindIntro()
    {
        IObjectContainer db = DB4OHelper.DB;
        try
        {
            //intro
            Introduction intro = new Introduction(db);
            Introduction target = intro.GetOne("Surance");
            this.ltrSurance.Text = target.Content;


        }
        catch
        {

        }
        finally
        {
            db.Close();
        }
    }

    
}