GridView控件自定义分页的实现

最新推荐文章于 2025-06-09 14:57:15 发布

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#server #asp #dataset #object #textbox #cmd

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本文介绍了两种在ASP.NET中实现GridView分页的方法。一种是手动编写分页逻辑，包括前后页按钮及跳转功能；另一种是利用GridView自带的分页模板进行定制。通过这两种方法，可以有效展示大量数据并提高用户体验。

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前人栽树，后人乘凉，话不多说，代码如下：

实现方式一：

.aspx:

.CS:(以下代码可能折叠，请自行点击下面的按钮展开)

using System; using System.Data; using System.Data.SqlClient; 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; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { //绑定数据 Bind(); } //计算生成分页页码 this.First.CommandName = "1"; this.Prev.CommandName = this.GridView1.PageIndex == 0 ? "1" : this.GridView1.PageIndex.ToString(); if (this.GridView1.PageCount == 1) { this.Next.CommandName = this.GridView1.PageCount.ToString(); } else { int temp = this.GridView1.PageIndex + 2; this.Next.CommandName = temp.ToString(); } this.Last.CommandName = this.GridView1.PageCount.ToString(); } protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; this.Bind(); } //点击LinkButton按钮事件 protected void PagerButton_Click(object sender, EventArgs e) { this.GridView1.PageIndex = Convert.ToInt32(((LinkButton)sender).CommandName) - 1; this.Bind(); } protected void Bind() { //数据绑定代码 string strconn = "Data Source=.; Initial Catalog=JWInfo; uid=sa;pwd=123456;"; SqlConnection conn = new SqlConnection(strconn); conn.Open(); SqlCommand cmd = new SqlCommand("select * from 学生信息", conn); SqlDataAdapter sda = new SqlDataAdapter(); sda.SelectCommand = cmd; DataSet ds = new DataSet(); sda.Fill(ds, "学生信息"); GridView1.DataSource = ds.Tables["学生信息"]; GridView1.DataBind(); //总页数，当前页，总记录数 this.recordCount.Text = ds.Tables[0].Rows.Count.ToString(); int t = this.GridView1.PageIndex+1; this.LabelCurrentPage.Text = t.ToString(); this.LabelPageCount.Text = this.GridView1.PageCount.ToString(); //设置相关按钮是否可见 this.First.Enabled = Convert.ToBoolean(GridView1.PageIndex != 0); this.Prev.Enabled = Convert.ToBoolean(GridView1.PageIndex != 0); this.Next.Enabled = Convert.ToBoolean(this.GridView1.PageIndex != this.GridView1.PageCount - 1); this.Last.Enabled = Convert.ToBoolean(this.GridView1.PageIndex != this.GridView1.PageCount - 1); } //页码跳转实现 protected void btnLoginPage_Click(object sender, EventArgs e) { int page = Convert.ToInt32(txtPage.Text.Trim()); if (page < 0 || page > GridView1.PageCount) { Response.Write("<mce:script language='javascript'></mce:script>"); } else { GridView1.PageIndex = page - 1; this.Bind(); } } }

实现方式二：

这里通过使用GridView自带的分页模板实现，代码如下：

这其中，我曾看到有人，用类似的方法实现，但我在以下的代码中实现了一点小变动，将其中的Visable属性，改用Enable属性，本人认为更为合理，并且有利布局：

<asp:LinkButton ID="LinkButtonFirstPage" runat="server" CommandArgument="First" CommandName="Page" Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>">首页</asp:LinkButton> <asp:LinkButton ID="LinkButtonPreviousPage" runat="server" CommandArgument="Prev" CommandName="Page" Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>">上一页</asp:LinkButton> <asp:LinkButton ID="LinkButtonNextPage" runat="server" CommandArgument="Next" CommandName="Page" Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>">下一页</asp:LinkButton> <asp:LinkButton ID="LinkButtonLastPage" runat="server" CommandArgument="Last" CommandName="Page" Enabled="<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>">尾页</asp:LinkButton>

.CS:

以上是对别人实现的一些总结，和对其中一些代码实现的改进，希望各位指教！