////////////////分页处理程序； 

void Page_Load(Object sender, EventArgs e)
   {

      if (CheckBox1.Checked)
         ItemsGrid.PagerStyle.Mode=PagerMode.NumericPages;
      else
         ItemsGrid.PagerStyle.Mode=PagerMode.NextPrev;

      if (!IsPostBack)
      {
         start_index = 0;
         ItemsGrid.VirtualItemCount=100;
      }

      BindGrid();
     
   }

/////////////邦定公用函数；

 void BindGrid()   
   {

      ItemsGrid.DataSource=CreateDataSource();
      ItemsGrid.DataBind();
    
   }

 ///////////////////////// 数据库的链  接在前面已经发表过的，！
      <asp:DataGrid id="ItemsGrid" runat="server"
           BorderColor="black"
           BorderWidth="1" 
           CellPadding="3"    //行间隔；
           AllowPaging="true"   //换页开关；
           AllowCustomPaging="true"    //
          BackImageUrl="Images\image1.jpg"    //背景图象；
           AutoGenerateColumns="false"    //改变属性数据格会不一样有：true & false；
           OnPageIndexChanged="Grid_Change">  //分页驱动程序ID
//分页默认样式；
         <PagerStyle NextPageText="Forward"
                     PrevPageText="Back"
                     Position="Bottom"
                     PageButtonCount="5"
                     BackColor="#00aaaa">
         </PagerStyle>

         <AlternatingItemStyle BackColor="yellow">
         </AlternatingItemStyle>

         <HeaderStyle BackColor="#00aaaa">
         </HeaderStyle>

         <Columns>
     
            <asp:BoundColumn HeaderText="Number"
                 DataField="IntegerValue"/>

            <asp:BoundColumn
                 HeaderText="Item"
                 DataField="StringValue"/>

            <asp:BoundColumn
                 HeaderText="Price"
                 DataField="CurrencyValue"
                 DataFormatString="{0:c}">

               <ItemStyle HorizontalAlign="right">
               </ItemStyle>
  
            </asp:BoundColumn>

         </Columns>
     
      </asp:DataGrid>

      <br>
//选择数字显示分页
      <asp:CheckBox id="CheckBox1"
           Text = "Show page navigation"
           AutoPostBack="true"
           runat="server"/>