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  • gridview 排序加箭头(一)

    <%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridView.aspx.cs" Inherits="GridView" %>
    <!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 id="Head1" runat="server">
        <title>无标题页</title>
    </head>
    <body>
        <form id="form1" runat="server">
        <div >
            <asp:GridView ID="GridView1" runat="server" AllowPaging="True" AllowSorting="True"
                AutoGenerateColumns="False" DataSourceID="SqlDataSource1"
                OnRowCreated="GridView1_RowCreated" OnSorting="GridView1_Sorting" PageSize="5">
                <Columns>
                    <asp:BoundField DataField="id" HeaderText="id" SortExpression="id" />
                    <asp:BoundField DataField="areaID" HeaderText="areaID" SortExpression="areaID" />
                    <asp:BoundField DataField="area" HeaderText="area" SortExpression="area" />
                    <asp:BoundField DataField="father" HeaderText="father" SortExpression="father" />
                </Columns>
            </asp:GridView>
            <asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:dsc110874_dbConnectionString %>"
                SelectCommand="SELECT * FROM [Area]"></asp:SqlDataSource>
            <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label><br />
            <br />
            d</div>
        </form>
    </body>
    </html>

    cs

    using System;
    using System.Data;
    using System.Configuration;
    using System.Collections;
    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 GridView : System.Web.UI.Page
    {
        string sortexp = "";//排序表达式
        string sortdir = "";//排序方向
        protected void Page_Load(object sender, EventArgs e)
        {

        }
        protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.Header)
            {
                foreach (TableCell tc in e.Row.Cells)
                {
                    //这种方法直接新加一个控件,也可以换成图片              
                    if (tc.Controls.Count > 0)//这里要判断一下此时是不是已经生成了linkbutton
                    {
                        string s1 = ((LinkButton)tc.Controls[0]).Text;
                        //样式Webdings是123都有自己对应的图片
                        ((LinkButton)tc.Controls[0]).Text = s1.Replace(s1, s1 + "<font face='Webdings'>5</font>");
                        //倒序的样式
                        if (tc.Controls.Count > 0 && tc.Controls[0].GetType().ToString() == "System.Web.UI.WebControls.DataControlLinkButton")
                        {

                            if (((LinkButton)tc.Controls[0]).CommandArgument == sortexp)
                            {                 
                                string s2 = ((LinkButton)tc.Controls[0]).Text;
                                if (sortdir == "Descending")
                                {
                                    ((LinkButton)tc.Controls[0]).Text = s2.Replace("5", "6");
                                }
                            }
                        }
                    }
                }
            }
        }

        protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
        {
            sortexp = e.SortExpression.ToString();
            sortdir = e.SortDirection.ToString();

        }
    }

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  • 原文地址:https://www.cnblogs.com/muer/p/1675836.html
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