【IT】GridView自定义分页代码 (12/453)

效果:

操作效果见www.cz0752.com搜索信息界面

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protected void Page_Load(object sender, EventArgs e)
    {
        if (!Page.IsPostBack)
        {

           //首页加载
            bind();
       }

} 

private void bind()
    {
        try
        {       

                this.gwtitle.DataSource ='数据绑定';
                gwtitle.AllowPaging = true;
                gwtitle.PageSize = 20;
                this.gwtitle.DataBind();           

        }
        catch (Exception ex)
        {
            ///抛出异常
            throw new Exception();
        }

        LblCurrentIndex.Text = "当前第<b><font color =red>" + (gwtitle.PageIndex + 1).ToString() + "</font> </b>页";
        LblPageCount.Text = "共<font color=red>" + gwtitle.PageCount.ToString() + "</font>页";

        if (gwtitle.PageIndex == 0)
        {
            //如果当前为首页，那么上页和首页按纽不可用
            ibt_first.Enabled = false;
            ibt_pre.Enabled = false;
        }
        else
        {
            ibt_first.Enabled = true;
            ibt_pre.Enabled = true;
        }
        if (gwtitle.PageIndex == gwtitle.PageCount - 1)
        {//如果当前为末页,那么下页和末页按纽不可用
            ibt_next.Enabled = false;
            ibt_last.Enabled = false;
        }
        else
        {
            ibt_next.Enabled = true;
            ibt_last.Enabled = true;
        }
    }
    protected void ibt_first_Click(object sender, EventArgs e)
    {
        //首页时当前页索引为0
        gwtitle.PageIndex = 0;
        this.bind();
    }
    protected void ibt_pre_Click(object sender, EventArgs e)
    {
        if (gwtitle.PageIndex > 0)
        {
            gwtitle.PageIndex--;
        }
        this.bind();
    }
    protected void ibt_next_Click(object sender, EventArgs e)
    {
        if (gwtitle.PageIndex < gwtitle.PageCount - 1)
        {
            gwtitle.PageIndex++;
        }
        this.bind();
    }
    protected void ibt_last_Click(object sender, EventArgs e)
    {
        gwtitle.PageIndex = gwtitle.PageCount - 1;
        this.bind();
    }
    protected void bnt_go_Click(object sender, EventArgs e)
    {
        if (tb_pageindex.Text != string.Empty) gwtitle.PageIndex = Convert.ToInt32(tb_pageindex.Text) - 1;
        this.bind();
    }

//aspx页面

<TBODY>

<TR><TD align=center width=192><asp:Literal id="lb_num" runat="server" __designer:wfdid="w12">

</asp:Literal>

<asp:Label id="LblCurrentIndex" runat="server" Text="Label" __designer:wfdid="w13" CssClass="td_9pt_B"></asp:Label>

<asp:Label id="LblPageCount" runat="server" Text="Label" __designer:wfdid="w14" CssClass="td_9pt_B"></asp:Label></TD>

<TD class="hui912" align=center width=60>

<asp:LinkButton id="ibt_first" onclick="ibt_first_Click" runat="server" Text="首页" __designer:wfdid="w15" CssClass="td_9pt_B"></asp:LinkButton>

</TD><TD style="WIDTH: 42px" align=center width=60>

<asp:LinkButton id="ibt_pre" onclick="ibt_pre_Click" runat="server" Width="60px" Text="上一页" __designer:wfdid="w16" CssClass="td_9pt_B"></asp:LinkButton></TD>

<TD align=center width=60><asp:LinkButton id="ibt_next" onclick="ibt_next_Click" runat="server" Text="下一页" __designer:wfdid="w17" CssClass="td_9pt_B"></asp:LinkButton>

</TD><TD align=center width=60><asp:LinkButton id="ibt_last" onclick="ibt_last_Click" runat="server" Text="末页" __designer:wfdid="w18" CssClass="td_9pt_B"></asp:LinkButton></TD>

<TD class="td_9pt_B" align=center width=35>转到</TD><TD width=35><asp:TextBox id="tb_pageindex" runat="server" Width="30px" __designer:wfdid="w19"></asp:TextBox></TD>

<TD class="td_9pt_B" width=23>页</TD><TD style="WIDTH: 35px">

<asp:Button id="bnt_go" onclick="bnt_go_Click" runat="server" Text="GO" __designer:wfdid="w20" CssClass="td_9pt_B" OnClientClick="return isOpage()"></asp:Button></TD></TR>

</TBODY>