AspNetPager GridView 直连数据库 分页列子

 

cs文件:

Code
protected void Page_Load(object sender, EventArgs e)
    {
 if (!IsPostBack)
        {
bindData();
}
}public void bindData()
    {
        ClassDB myDB = new ClassDB();
        string mySql = "select  * from Message order by id desc";        
        DataSet ds = myDB.getDataSet(mySql);
        GridView1.DataSource = ds.Tables[0].DefaultView;
        AspNetPager1.RecordCount = Convert.ToInt32(ds.Tables[0].Rows.Count.ToString());
        Label2.Text = ds.Tables[0].Rows.Count.ToString();
        GridView1.DataBind();
    }

    protected void AspNetPager1_PageChanging(object src, Wuqi.Webdiyer.PageChangingEventArgs e)
    {
        this.GridView1.PageIndex = e.NewPageIndex - 1;
        this.AspNetPager1.CurrentPageIndex = e.NewPageIndex;
        bindData();
    }

 

ClassDB类

Code
using System;
using System.Data;
using System.Configuration;
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.SqlClient;
using System.Data.SqlTypes;
/**//// <summary>
/// ClassDB 的摘要说明
/// </summary>
public class ClassDB
{
    private SqlConnection conn;
    public ClassDB()
    {
        conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnStr"]);
        conn.Open();
    }
    public ClassDB(string ConnStr)
    {
        conn = new SqlConnection(ConnStr);
        conn.Open();
    }
    public void Close() //关闭数据库
    {
        conn.Close();
        conn = null;
    }
    public SqlDataReader getSqlDataReader(string SQLQuery)
    {
        SqlCommand cmd = new SqlCommand(SQLQuery, conn);
        return cmd.ExecuteReader();
    }
    public int Insert(string SQLQuery)//插入
    {
        SqlCommand cmd = new SqlCommand(SQLQuery, conn);
        return cmd.ExecuteNonQuery();
    }
    public int Update(string SQLQuery)//更新
    {
        SqlCommand cmd = new SqlCommand(SQLQuery, conn);
        return cmd.ExecuteNonQuery();
    }
    public int Delete(string SQLQuery)//删除
    {
        SqlCommand cmd = new SqlCommand(SQLQuery, conn);
        return cmd.ExecuteNonQuery();
    }
    public DataSet getDataSet(string SQLQuery)
    {
        SqlDataAdapter da = new SqlDataAdapter(SQLQuery, conn);
        DataSet ds = new DataSet();
        da.Fill(ds);
        da.Dispose();
        da = null;
        return ds;
    }
}

 

 

页面文件:

 

Code
   <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" OnSelectedIndexChanged="GridView1_SelectedIndexChanged" AllowPaging="True" Height="173px" OnSelectedIndexChanging="GridView1_SelectedIndexChanging" Width="355px" style="border-left-color: silver; border-bottom-color: silver; font: messagebox; color: black; border-top-color: silver; border-right-color: silver; border-top-style: none; border-right-style: none; border-left-style: none; border-bottom-style: none;" PageSize="20">
            <Columns>
                <asp:TemplateField HeaderText="序号">
                    <ItemTemplate>
                        <font color="000000">第</font><asp:Label ID="Label6" runat="server" Style=" color: #000000"
                            Text='<%# DataBinder.Eval(Container.DataItem, "id")%>'></asp:Label><font color="000000">位签名者</font>
                    </ItemTemplate>
                    <HeaderStyle BackColor="#E0E0E0" Width="30px" />
                    <ItemStyle Height="30px" Wrap="False" />
                </asp:TemplateField>
                <asp:BoundField DataField="User_Name" HeaderText="爱国者" >
                    <HeaderStyle BackColor="#E0E0E0" Height="30px" Wrap="False" />
                    <ItemStyle Wrap="False" />
                </asp:BoundField>
                <asp:BoundField HeaderText="地区" DataField="User_City" >
                    <HeaderStyle BackColor="#E0E0E0" Height="30px" Wrap="False" />
                    <ItemStyle Wrap="False" />
                </asp:BoundField>
                <asp:BoundField DataField="User_Datetime" HeaderText="签名历史时刻" >
                    <HeaderStyle BackColor="#E0E0E0" Height="30px" Wrap="False" />
                    <ItemStyle Wrap="False" />
                </asp:BoundField>
            </Columns>
            <PagerSettings PageButtonCount="16" Visible="False" />
        </asp:GridView>
                <br />
        <webdiyer:AspNetPager ID="AspNetPager1" runat="server" CurrentPageButtonTextFormatString="[{0}]"
            NextPageText="下一页" PrevPageText="上一页" OnPageChanged="AspNetPager1_PageChanged" style="font: messagebox" FirstPageText="" LastPageText="" ShowPageIndexBox="Never" OnPageChanging="AspNetPager1_PageChanging">
        </webdiyer:AspNetPager>