您好,登錄后才能下訂單哦!
本篇文章為大家展示了使用gridview怎么實現(xiàn)自動排序,內(nèi)容簡明扼要并且容易理解,絕對能使你眼前一亮,通過這篇文章的詳細介紹希望你能有所收獲。
示例如下:前臺
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>無標題頁</title></head><body> <form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None" AllowSorting="True" OnSorting="GridView1_Sorting"> <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <RowStyle BackColor="#EFF3FB" /> <Columns> <asp:BoundField DataField="id" HeaderText="ID" SortExpression="id" /> <asp:BoundField DataField="name" HeaderText="NAME" SortExpression="name" /> <asp:BoundField DataField="age" HeaderText="AGE" SortExpression="age" /> </Columns> <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#2461BF" /> <AlternatingRowStyle BackColor="White" /> </asp:GridView> </div> </form></body></html>
前臺注意點:
需要對GridView啟用AllowSorting、設置OnSorting事件,對需要排序的列設定SortExpression屬性。
后臺
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; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if (!IsPostBack) { // 設定初始排序參數(shù)值 // 錯誤的屬性設置方法:SortExpression、SortDirection均是GridView只讀屬性,無法直接賦值。 //this.GridView1.SortExpression = "id"; //this.GridView1.SortDirection = "ASC"; // 正確的屬性設置方法 this.GridView1.Attributes.Add("SortExpression", "id"); this.GridView1.Attributes.Add("SortDirection", "ASC"); // 綁定數(shù)據(jù)源到GridView this.BindGridView(); } } /// <summary> /// GridView排序事件 /// </summary> protected void GridView1_Sorting(object sender, GridViewSortEventArgs e) { // 從事件參數(shù)獲取排序數(shù)據(jù)列 string sortExpression = e.SortExpression.ToString(); // 假定為排序方向為“順序” string sortDirection = "ASC"; // “ASC”與事件參數(shù)獲取到的排序方向進行比較,進行GridView排序方向參數(shù)的修改 if (sortExpression == this.GridView1.Attributes["SortExpression"]) { //獲得下一次的排序狀態(tài) sortDirection = (this.GridView1.Attributes["SortDirection"].ToString() == sortDirection ? "DESC" : "ASC"); } // 重新設定GridView排序數(shù)據(jù)列及排序方向 this.GridView1.Attributes["SortExpression"] = sortExpression; this.GridView1.Attributes["SortDirection"] = sortDirection; this.BindGridView(); } /// <summary> /// 綁定到GridView /// </summary> private void BindGridView() { // 獲取GridView排序數(shù)據(jù)列及排序方向 string sortExpression = this.GridView1.Attributes["SortExpression"]; string sortDirection = this.GridView1.Attributes["SortDirection"]; // 調(diào)用業(yè)務數(shù)據(jù)獲取方法 DataTable dtBind = this.getDB(); // 根據(jù)GridView排序數(shù)據(jù)列及排序方向設置顯示的默認數(shù)據(jù)視圖 if ((!string.IsNullOrEmpty(sortExpression)) && (!string.IsNullOrEmpty(sortDirection))) { dtBind.DefaultView.Sort = string.Format("{0} {1}", sortExpression, sortDirection); } // GridView綁定并顯示數(shù)據(jù) this.GridView1.DataSource = dtBind; this.GridView1.DataBind(); } /// <summary> /// 獲取數(shù)據(jù)源的方法 /// </summary> /// <returns>數(shù)據(jù)源</returns> private DataTable getDB() { DataTable dt = new DataTable(); dt.Columns.Add("id"); dt.Columns.Add("name"); dt.Columns.Add("age"); dt.Rows.Add(new object[] { "000001", "hekui", "26" }); dt.Rows.Add(new object[] { "000002", "zhangyu", "26" }); dt.Rows.Add(new object[] { "000003", "zhukundian", "27" }); dt.Rows.Add(new object[] { "000004", "liyang", "25" }); dt.Rows.Add(new object[] { "000005", "caili", "27" }); return dt; }}
上述內(nèi)容就是使用gridview怎么實現(xiàn)自動排序,你們學到知識或技能了嗎?如果還想學到更多技能或者豐富自己的知識儲備,歡迎關(guān)注億速云行業(yè)資訊頻道。
免責聲明:本站發(fā)布的內(nèi)容(圖片、視頻和文字)以原創(chuàng)、轉(zhuǎn)載和分享為主,文章觀點不代表本網(wǎng)站立場,如果涉及侵權(quán)請聯(lián)系站長郵箱:is@yisu.com進行舉報,并提供相關(guān)證據(jù),一經(jīng)查實,將立刻刪除涉嫌侵權(quán)內(nèi)容。