news.aspx.cs

智能选课系统:本程序采用Microsoft Visual Studio 2005集成环境开发即 asp.net 2.0+access 数据库开发。 功能如下:学校中学生教师根据不同的权限合理分配,提

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 System.Data.OleDb;

public partial class student_News : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        binder();
    }
     private void binder()//帮顶函数
    {
        OleDbConnection con = db.con();
        con.Open();
        OleDbDataAdapter sdr =new OleDbDataAdapter(" select  * from  News   ", con);
        DataSet ds = new DataSet();
        sdr.Fill(ds, "News");
        GridView1.DataSource = ds.Tables["News"].DefaultView;


        this.GridView1.AllowPaging = true;
        this.GridView1.PageSize = 30;
        this.GridView1.DataBind();
        if (this.GridView1.PageIndex == 0)
        {
            this.LinkButton1.Enabled = false;
            this.LinkButton2.Enabled = false;
        }
        else
        {
            this.LinkButton1.Enabled = true;
            this.LinkButton2.Enabled = true;
        }
        if (this.GridView1.PageIndex == this.GridView1.PageCount - 1)
        {
            this.LinkButton3.Enabled = false;
            this.LinkButton4.Enabled = false;

        }
        else
        {
            this.LinkButton4.Enabled = true;
            this.LinkButton3.Enabled = true;
        }
        con.Close();
    }
    protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
    {
        if (e.Row.RowType == DataControlRowType.DataRow)
        {
            e.Row.Attributes.Add

("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#0099ff'");
            e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c;");

        }
    }
    
    
    protected void LinkButton1_Click(object sender, EventArgs e)
    {
        switch(((LinkButton)sender).CommandArgument.ToString())
        {
            case "first":
            this.GridView1.PageIndex=0;
            break;
            case "pry":
            this.GridView1.PageIndex=GridView1.PageIndex-1;
            break;
            case "next":
            GridView1.PageIndex=GridView1.PageIndex+1;
            break;
            case "last":
            GridView1.PageIndex=GridView1.PageCount-1;
            break;

            
        
        }
        binder();
    }
    
  
}