1using System;
  2using System.Collections;
  3using System.Configuration;
  4using System.Data;
  5using System.Linq;
  6using System.Web;
  7using System.Web.Security;
  8using System.Web.UI;
  9using System.Web.UI.HtmlControls;
 10using System.Web.UI.WebControls;
 11using System.Web.UI.WebControls.WebParts;
 12using System.Xml.Linq;
 13using System.Data.SqlClient;
 14
 15public partial class ShowMes : System.Web.UI.UserControl
 16...{
 17    DB DBManage = new DB();
 18    string curpage;
 19    protected void Page_Load(object sender, EventArgs e)
 20    ...{
 21        if(!IsPostBack )
 22 
 23        BindData();
 24    }
 25    public void BindData()
 26    ...{
 27        this.Button1.Enabled = true ;
 28        this.Button2.Enabled = true ;
 29        this.Button3.Enabled = true ;
 30        this.Button4.Enabled = true ;
 31        SqlDataAdapter sda = new SqlDataAdapter();
 32        sda.SelectCommand = new SqlCommand("select name,content,time from mes order by id DESC", DBManage.GetConnection());
 33        DataSet ds = new DataSet();
 34        sda.Fill(ds ,"dsmes");
 35        PagedDataSource ps = new PagedDataSource();
 36        ps.AllowPaging = true;
 37        ps.DataSource = ds.Tables["dsmes"].DefaultView;
 38        ps.PageSize = 5;
 39         curpage = this.Label1.Text;
 40        ps.CurrentPageIndex = Convert.ToInt32(curpage) - 1;
 41       
 42        
 43        
 44        this.DataList1 .DataSource = ps;
 45        this.DataList1.DataBind();
 46        DBManage.pagetotal = ps.PageCount;
 47        this.Label2.Text ="共"+Convert .ToString( DBManage.pagetotal)+"页";
 48        this.temp.Text =Convert.ToString ( ps.PageCount);
 49        if (Convert.ToInt32(curpage) == 1)
 50        ...{
 51
 52            this.Button1.Enabled = false;
 53            this.Button2.Enabled = false;
 54        }
 55        if (Convert.ToInt32(curpage) == ps.PageCount)
 56        ...{
 57
 58            this.Button3.Enabled = false;
 59            this.Button4.Enabled = false;
 60        }
 61        //for (int i = 1; i <= ps.PageCount; i++)
 62        //{
 63
 64        //    this.DropDownList1.Items.Add("第" + i + "页");
 65        //}
 66        if (!IsPostBack)
 67            for (int i = 1; i <= ps.PageCount; i++)
 68            ...{
 69
 70                this.DropDownList1.Items.Add("第" + i + "页");
 71            }
 72       
 73            DBManage.CloseConnection();
 74    }
 75
 76    protected void Button1_Click(object sender, EventArgs e)
 77    ...{
 78        this.Label1.Text = "1";
 79        this.DropDownList1.SelectedIndex = Convert.ToInt32(this.Label1.Text);
 80        BindData();
 81
 82    }
 83    protected void Button2_Click(object sender, EventArgs e)
 84    ...{
 85        this.Label1.Text =Convert .ToString ( Convert .ToInt32 ( this.Label1.Text) - 1);
 86        this.DropDownList1.SelectedIndex = Convert.ToInt32(this.Label1.Text);
 87        BindData();
 88    }
 89    protected void Button3_Click(object sender, EventArgs e)
 90    ...{
 91        this.Label1.Text = Convert.ToString(Convert.ToInt32(this.Label1.Text) + 1);
 92        BindData();
 93    }
 94    protected void Button4_Click(object sender, EventArgs e)
 95    ...{
 96        this.Label1.Text = this.temp.Text;
 97      
 98        BindData();
 99    }
100    protected void DropDownList1_SelectedIndexChanged(object sender, EventArgs e)
101    ...{
102        this.Label1.Text =Convert .ToString ( Convert .ToInt32 ( this.DropDownList1.SelectedIndex)+1);
103        BindData();
104    }
105}
106