GridView自带了数据排序功能。在设计视图下,只能对GridView的排序数据列和排序方向进行静态设置。在后台程序中,则需要用Attributes方式对GridView的这两个属性进行动态设置。
TechWeb-技术社区9F;j&q0A(Y)e)y!g
示例如下:
(前台))Z6w2F1v'm.G2m
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> f"S%q;i7z6H(n
<!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" >-o([%_7s0Q2{8M!e;F
<head runat="server">
<title>无标题页</title>
</head>
<body>tech.techweb.com.cn$F8v+U.s+_3x8x8P:V
<form id="form1" runat="server">
<div>0m0y y/e7A*Y$z#C3l*_6F
<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" />tech.techweb.com.cn9P:k7r3I B)i*z
<Columns>
<asp:BoundField DataField="id" HeaderText="ID" SortExpression="id" />程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛(e$d:v+t!d8Z
<asp:BoundField DataField="name" HeaderText="NAME" SortExpression="name" />
<asp:BoundField DataField="age" HeaderText="AGE" SortExpression="age" />1u"E U0K.d+S5k
</Columns>/J&?+P:m3r7R5b,s+}%B
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />;P:Q-r$f1J
<EditRowStyle BackColor="#2461BF" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛3S#J"A!D)S;q!e&f7@"N
</div>#\;O2i7~%r$R)|
</form>
</body>,f7I%g%u9|+~(J%e
</html>
需要对GridView启用AllowSorting、设置OnSorting事件,对需要排序的列设定SortExpression属性。 $c%Q8Y$J0a$o(U-Y"C
(后台)
using System;"k8e!s4S0@"@-_*~&^
using System.Data;
using System.Configuration;tech.techweb.com.cn([*P3k%J0Q!?4u
using System.Web;
using System.Web.Security;
using System.Web.UI;:o7S2l/Q9u'g&^3~3d-u
using System.Web.UI.WebControls;TechWeb-技术社区&L#N9E1Q'A.k3`
using System.Web.UI.WebControls.WebParts;8B/y(k(`:`,c2A-|#U
using System.Web.UI.HtmlControls;
public partial class _Default : System.Web.UI.Page.J(g3p*^8Q N
{TechWeb-技术社区.m6Y2A(l-|*?
protected void Page_Load(object sender, EventArgs e)&R'U3I#e%m3X
{
if (!IsPostBack)
{TechWeb-技术社区*B D;j%f n1m%`"I
// 设定初始排序参数值!@8K"W({8v5Y9g
// 错误的属性设置方法:SortExpression、SortDirection均是GridView只读属性,无法直接赋值。
//this.GridView1.SortExpression = "id";程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛$R&b)M+}'R*T
//this.GridView1.SortDirection = "ASC";
// 正确的属性设置方法
this.GridView1.Attributes.Add("SortExpression", "id");:L%s'G4R3[-G&n
this.GridView1.Attributes.Add("SortDirection", "ASC");程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛;|6y*m/e$b7{(r6j"D0|
// 绑定数据源到GridView
this.BindGridView();
}
}1l9H$f7I7K2o%t5o1T5t
/// <summary>
/// GridView排序事件TechWeb-技术社区(B'Q&u-a*F)o0{:N)\9?6I
/// </summary>
protected void GridView1_Sorting(object sender, GridViewSortEventArgs e);?$?#a+W/r;|
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// 从事件参数获取排序数据列
string sortExpression = e.SortExpression.ToString();/a/d'g7Y6^;t(_
// 假定为排序方向为“顺序”TechWeb-技术社区3I/S&x)n T,U2~
string sortDirection = "ASC";
// “ASC”与事件参数获取到的排序方向进行比较,进行GridView排序方向参数的修改#p&V4u#o4C
if (sortExpression == this.GridView1.Attributes["SortExpression"])
{程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛'y/L$s4w*H
//获得下一次的排序状态TechWeb-技术社区6H8n5E/_0X;M
sortDirection = (this.GridView1.Attributes["SortDirection"].ToString() == sortDirection ? "DESC" : "ASC");
}TechWeb-技术社区"^*o'r-b6z5l6e&O6H
// 重新设定GridView排序数据列及排序方向
this.GridView1.Attributes["SortExpression"] = sortExpression;
this.GridView1.Attributes["SortDirection"] = sortDirection;
this.BindGridView();
}tech.techweb.com.cn/Y7g([)}9Z(C,l4C1@
/// <summary>TechWeb-技术社区7{(Y3k3s2q1j)K
/// 绑定到GridView
/// </summary>4e9@(Q&V7^'h
private void BindGridView()
{
// 获取GridView排序数据列及排序方向
string sortExpression = this.GridView1.Attributes["SortExpression"];
string sortDirection = this.GridView1.Attributes["SortDirection"]; f7\8A+K*U"k%~3u#t'g
// 调用业务数据获取方法程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛-m6[,I3m:u5Q4e5q"|,@
DataTable dtBind = this.getDB();
// 根据GridView排序数据列及排序方向设置显示的默认数据视图-['?7F+B0H3_5U"r
if ((!string.IsNullOrEmpty(sortExpression)) && (!string.IsNullOrEmpty(sortDirection)))
{tech.techweb.com.cn#q:A"W8^ F9P&P
dtBind.DefaultView.Sort = string.Format("{0} {1}", sortExpression, sortDirection);TechWeb-技术社区4g C9e$z0g-_
}
// GridView绑定并显示数据
this.GridView1.DataSource = dtBind;)Z _.u+Y%V(t"]
this.GridView1.DataBind();4|)t)N%j9H!f;I6k+~.E3~3?
}
/// <summary>
/// 获取数据源的方法tech.techweb.com.cn3@)l+{(~*O"x"]*W%\7k8J
/// </summary>
/// <returns>数据源</returns>
private DataTable getDB()
{*u*m&x9a'h4a
DataTable dt = new DataTable();4I2o8K;i&N k/D+y2U4X7i6?8\
dt.Columns.Add("id");1i+[5b'[/U%j7r*r%d#C"a
dt.Columns.Add("name");tech.techweb.com.cn'F9~,D$U0c4z9u(`
dt.Columns.Add("age");
dt.Rows.Add(new object[] { "000001", "hekui", "26" });程序开发,操作系统,服务器,源码下载,Linux,Unix,BSD,PHP,Apach,asp,下载,源码,黑客,安全,技术社区,技术论坛/s*?;K%F._$I
dt.Rows.Add(new object[] { "000002", "zhangyu", "26" });
dt.Rows.Add(new object[] { "000003", "zhukundian", "27" });
dt.Rows.Add(new object[] { "000004", "liyang", "25" });
dt.Rows.Add(new object[] { "000005", "caili", "27" });2@0C;s6}0T6X8g5x
return dt;$o8{4V;e(q0^5`!]5W
}
}