学步园

1. aspx页面端代码：

 

<div class="gv-footer">
          <asp:LinkButton ID="btFirstPage" runat="server" CommandArgument="first" OnClick ="PagerButton_Click">首页</asp:LinkButton>
        <asp:LinkButton ID="btPrevPage" runat="server" CommandArgument="prev" OnClick ="PagerButton_Click">上一页</asp:LinkButton>
        <asp:LinkButton ID="btNextPage" runat="server" CommandArgument="next" OnClick ="PagerButton_Click">下一页</asp:LinkButton>
        <asp:LinkButton ID="btLastPage" runat="server" CommandArgument="last" OnClick ="PagerButton_Click">尾页</asp:LinkButton>
        页码：
        <asp:Label ID="lbCurrentPage" runat="server" ForeColor="Blue"></asp:Label>
        /
        <asp:Label ID="lbTotalPage" runat="server"></asp:Label>
        <asp:DropDownList ID="ddlPageSelect" runat="server" AutoPostBack="True" OnSelectedIndexChanged="ddlPageSelect_SelectedIndexChanged"> </asp:DropDownList>
      </div> 

 

2. aspx.cs端代码：

 

#region GridView分页
   /// <summary>
   /// 页面选择操作
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void PagerButton_Click(object sender, EventArgs e)
   {
       int pageIndex = gvSailingList.PageIndex; 

       string arg = ((LinkButton)sender).CommandArgument.ToString().ToLower(); 

       switch (arg)
       {
           case "prev": 

               if (pageIndex > 0)
               {
                   pageIndex -= 1;
               }
               break;
           case "next":
               if (pageIndex < gvSailingList.PageCount)
               {
                   pageIndex += 1;
               }
               break;
           case "last":
               pageIndex = gvSailingList.PageCount - 1;
               break;
           default:
               pageIndex = 0;
               break;
       } 

       gvSailingList.PageIndex = pageIndex;
       BindSailing();
   } 

   /// <summary>
   /// 页码选择下拉条绑定
   /// </summary>
   protected void PageBind()
   {
       ddlPageSelect.Items.Clear();
       for (int i = 0; i < gvSailingList.PageCount; i++)
       {
           ddlPageSelect.Items.Insert(i, Convert.ToString(i + 1));
       }
       if (gvSailingList.PageCount > 0)
       {
           SetPageButton(true);
           ddlPageSelect.SelectedIndex = gvSailingList.PageIndex;
       }
       else
       {
           SetPageButton(false);
           ddlPageSelect.SelectedIndex = -1;
       }
   } 

   /// <summary>
   /// 设置页码按钮的可见性
   /// </summary>
   protected void SetPageButton(bool ViewEnable)
   {
       //无数据时按钮变灰
       if (ViewEnable == false)
       {
           btFirstPage.Enabled = false;
           btLastPage.Enabled = false;
           btNextPage.Enabled = false;
           btPrevPage.Enabled = false;
           ddlPageSelect.Enabled = false;
       }
       //有数据时按钮显示
       else if (ViewEnable == true)
       {
           btFirstPage.Enabled = true;
           btLastPage.Enabled = true;
           btNextPage.Enabled = true;
           btPrevPage.Enabled = true;
           ddlPageSelect.Enabled = true;
       }
   } 

   /// <summary>
   /// 页码选择栏 显示控制
   /// </summary>
   protected void PageDisplay()
   {
       //页码显示
       if (gvSailingList.PageCount > 0)
       {
           lbCurrentPage.Text = Convert.ToString(gvSailingList.PageIndex + 1);
       }
       else
       {
           lbCurrentPage.Text = Convert.ToString(gvSailingList.PageIndex);
       }
       lbTotalPage.Text = gvSailingList.PageCount.ToString();
   } 

   /// <summary>
   /// 跳转到指定页
   /// </summary>
   /// <param name="sender"></param>
   /// <param name="e"></param>
   protected void ddlPageSelect_SelectedIndexChanged(object sender, EventArgs e)
   {
       gvSailingList.PageIndex = ddlPageSelect.SelectedIndex;
       BindSailing();
   }
   #endregion 

 

#region 私有方法  
   protected void BindSailing()
   {
        gvSailingList.DataSource = dt.DefaultView;
        gvSailingList.DataBind(); 

        PageBind();
        PageDisplay();
   }

#endregion 

 

出处：wyforumid