ASPxGridView是一个方便的数据显示控件，可是自动的绑定我们所需要的数据，但是有时，当数据属性过多时，我们并不一定要把所有的信息提供给所有的人，当有人需要这些数据时可以自动的进行查看，这时就可以把一些主要的信息提供给所有人，对于一些细节信息，可以按照个人的需求就行显示，这就要用到ASPxGridView的DetailRow了，本文将以铁路列车信息数据库为依据，首先显所有的列车车次，点击后查看列车详情，效果图如下：

本文实现的效果和前面介绍的ASPxPop控件的效果类似，但是这个控件也可以用在不方便使用那和空间的时候，读者可以对比博文http://blog.sina.com.cn/s/blog_62cd5a980100v6xx.html，进行选择，上代码：

前端代码：

<%@ Page Language="C#" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Assembly="DevExpress.Web.ASPxGridView.v9.2, Version=9.2.2.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"

Namespace="DevExpress.Web.ASPxGridView" TagPrefix="dxwgv" %>

<%@ Register Assembly="DevExpress.Web.ASPxEditors.v9.2, Version=9.2.2.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a"

Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dxe" %>

<!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>具有详细信息的AspGridView测试</title>

</head>

<body>

<form id="form1" runat="server">

<div align="center">

<dxwgv:ASPxGridView ID="ASPxGridView1" runat="server" CssFilePath="~/App_Themes/Office2003Blue/{0}/styles.css"

CssPostfix="Office2003_Blue" Caption="全国火车车次信息表" KeyFieldName="ID" ClientInstanceName="grid">

<Styles CssFilePath="~/App_Themes/Office2003Blue/{0}/styles.css" CssPostfix="Office2003_Blue">

<Header ImageSpacing="5px" SortingImageSpacing="5px">

</Header>

<LoadingPanel ImageSpacing="10px">

</LoadingPanel>

</Styles>

<Images ImageFolder="~/App_Themes/Office2003Blue/{0}/">

<CollapsedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvCollapsedButton.png"

Width="11px" />

<ExpandedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvExpandedButton.png"

Width="11px" />

<DetailCollapsedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvCollapsedButton.png"

Width="11px" />

<DetailExpandedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvExpandedButton.png"

Width="11px" />

<FilterRowButton Height="13px" Width="13px" />

</Images>

<StylesEditors>

<ProgressBar Height="25px">

</ProgressBar>

</StylesEditors>

<SettingsPager PageSize="15">

</SettingsPager>

            <SettingsDetail ShowDetailRow="true" AllowOnlyOneMasterRowExpanded="True" ExportMode="All" />

<ClientSideEvents RowClick="function(s, e) {

_aspxClearSelection();

grid._selectAllRowsOnPage(false);

grid.SelectRow(e.visibleIndex, true);

}" />

<Columns>

<dxwgv:GridViewDataColumn Caption="序号">

<DataItemTemplate>

<%#Container.ItemIndex+1 %>

</DataItemTemplate>

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="车次" FieldName="ID" Width="200PX">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="列车类型" FieldName="type" Width="200PX">

</dxwgv:GridViewDataColumn>

</Columns>

<Templates>

<DetailRow>

<dxwgv:ASPxGridView ID="ASPxGridView2" runat="server" CssFilePath="~/App_Themes/Office2003Blue/{0}/styles.css"

CssPostfix="Office2003_Blue" OnDataBinding="getnewdata">

<Styles CssFilePath="~/App_Themes/Office2003Blue/{0}/styles.css" CssPostfix="Office2003_Blue">

<Header ImageSpacing="5px" SortingImageSpacing="5px">

</Header>

<LoadingPanel ImageSpacing="10px">

</LoadingPanel>

</Styles>

<SettingsPager PageSize="10">

</SettingsPager>

                        <SettingsDetail IsDetailGrid="true" />

<Images ImageFolder="~/App_Themes/Office2003Blue/{0}/">

<CollapsedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvCollapsedButton.png"

Width="11px" />

<ExpandedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvExpandedButton.png"

Width="11px" />

<DetailCollapsedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvCollapsedButton.png"

Width="11px" />

<DetailExpandedButton Height="12px" Url="~/App_Themes/Office2003Blue/GridView/gvExpandedButton.png"

Width="11px" />

<FilterRowButton Height="13px" Width="13px" />

</Images>

<StylesEditors>

<ProgressBar Height="25px">

</ProgressBar>

</StylesEditors>

<Columns>

<dxwgv:GridViewDataColumn Caption="序号">

<DataItemTemplate>

<%#Container.ItemIndex+1 %>

</DataItemTemplate>

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="车次" FieldName="ID">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="到站" FieldName="Station">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="到站时间" FieldName="A_Time">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="发车时间" FieldName="D_Time">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="天数" FieldName="Day">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="里程" FieldName="Distance">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="一等座" FieldName="P1">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="二等座" FieldName="P2">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="三等座" FieldName="P3">

</dxwgv:GridViewDataColumn>

<dxwgv:GridViewDataColumn Caption="四等座" FieldName="P4">

</dxwgv:GridViewDataColumn>

</Columns>

</dxwgv:ASPxGridView>

</DetailRow>

</Templates>

</dxwgv:ASPxGridView>

</div>

</form>

</body>

</html>

后端代码：
using System;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Data.OleDb;
using DevExpress.Web.ASPxGridView;
public partial class _Default : System.Web.UI.Page 
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            AspxGridViewDataBind();
        }
        else
        {
            if (ViewState["ASPxGridView1"] !=null)
            {
                DataSet ds = ViewState["ASPxGridView1"] as DataSet;
                this.ASPxGridView1.DataSource = ds;
                this.ASPxGridView1.DataBind();
            }
        }
 
    }
    public OleDbConnection getConnection() 
    {
        OleDbConnection conn = null;
        string connectionstr = "provider=Microsoft.JET.OLEDB.4.0;";
        connectionstr += @"data source=d:\database\train.mdb";
        try
        {
            conn = new OleDbConnection(connectionstr);
            conn.Open();
            //ScriptManager.RegisterStartupScript(this,this.GetType(),"","alert('建立连接成功！');",true);
        }
        catch (Exception e)
        {
            
            Response.Write("建立数据库连接失败！"+e.Message);
        }
        return conn;
    }
    public void closeConnection(OleDbConnection conn) 
    {
        try
        {
            conn.Close();
        }
        catch (Exception e)
        {
            
            Response.Write("关闭数据连接失败！"+e.Message);
        }
    }
    public DataSet getDataSet(OleDbConnection conn) 
    {
        DataSet ds = new DataSet();
        string sql = "select distinct ID,type from train ";
        //string sql="select * from train";
        try
        {
            OleDbDataAdapter oda = new OleDbDataAdapter(sql,conn);
            oda.Fill(ds);
        }
        catch (Exception e)
        {
 
            Response.Write("获取结果集失败！"+e.Message) ;
        }
        return ds;
    }
    public void display() 
    {
        OleDbConnection conn = getConnection();
        DataSet ds = getDataSet(conn);
        for (int i = 0; i < ds.Tables[0].Columns.Count; i++)
        {
            Response.Write(ds.Tables[0].Columns[i].ColumnName.ToString()+"<br/>");
        }
        closeConnection(conn);
    }
    public void AspxGridViewDataBind()
    {
        OleDbConnection conn = getConnection();
        DataSet ds = getDataSet(conn);
        this.ASPxGridView1.DataSource = ds;
        this.ASPxGridView1.DataBind();
        ViewState["ASPxGridView1"] = ds;
        closeConnection(conn);
    }
    public void getnewdata(object sender,EventArgs e) 
    {
        ASPxGridView grid = (ASPxGridView)sender;
        string id = grid.GetMasterRowFieldValues("ID").ToString();
        //this.Response.Write(id);
        DataSet ds = getDetailData(id);
        grid.DataSource = ds;
        //ViewState["grid"] = ds;
    }
    public DataSet getDetailData(string id) 
    {
        DataSet ds = new DataSet();
        string sql = "select * from train where id='"+id+"'";
        OleDbConnection conn = getConnection();
        OleDbDataAdapter oda = new OleDbDataAdapter(sql,conn);
        oda.Fill(ds);
        closeConnection(conn);
        return ds;
    }
}
 
源地址：http://blog.sina.com.cn/s/blog_62cd5a980100vmge.html

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