DataGrid实现tooltip功能

http://www.cnblogs.com/singlepine/archive/2006/01/01/309354.html

1.html代码

<HTML>
    <HEAD>
        <title>DataGridTooltip</title>
        <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
        <meta name="CODE_LANGUAGE" Content="C#">
        <meta name="vs_defaultClientScript" content="JavaScript">
        <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
        <style type="text/css"> .transparent { BORDER-RIGHT: indianred 1px solid; BORDER-TOP: indianred 1px solid; DISPLAY: none; FILTER: alpha(opacity=85); BORDER-LEFT: indianred 1px solid; BORDER-BOTTOM: indianred 1px solid; POSITION: absolute; BACKGROUND-COLOR: infobackground } </style>
        <script language="javascript">
            function Show(Country, City, Address, PostalCode, Phone, Fax)
            {
                //debugger;
                document.getElementById("td1").innerText="国家："+Country;
                document.getElementById("td2").innerText="城市："+City;
                document.getElementById("td3").innerText="地址："+Address;
                document.getElementById("td4").innerText="邮编："+PostalCode;
                document.getElementById("td5").innerText="电话："+Phone;
                document.getElementById("td6").innerText="传真："+Fax;
                x = event.clientX + document.body.scrollLeft;
                y = event.clientY + document.body.scrollTop + 20;
                Popup.style.display="block";
                Popup.style.left = x;
                Popup.style.top = y;
            }
            function Hide()
            {
                Popup.style.display="none";
            }
        </script>
    </HEAD>
    <body MS_POSITIONING="GridLayout">
        <form id="Form1" method="post" runat="server">
            <div id="Popup" class="transparent">
                <table border="0" cellpadding="0" bgColor="#00ccff">
                    <tr>
                        <td align="center" bgcolor="indianred"><font color="white">联系方式</font></td>
                    </tr>
                    <tr>
                        <td id="td1"></td>
                    </tr>
                    <tr>
                        <td id="td2"></td>
                    </tr>
                    <tr>
                        <td id="td3"></td>
                    </tr>
                    <tr>
                        <td id="td4"></td>
                    </tr>
                    <tr>
                        <td id="td5"></td>
                    </tr>
                    <tr>
                        <td id="td6"></td>
                    </tr>
                </table>
            </div>
            <asp:DataGrid id="DataGrid1" runat="server">
                <FooterStyle ForeColor="#003399" BackColor="#99CCCC"></FooterStyle>
                <SelectedItemStyle Font-Bold="True" ForeColor="#CCFF99" BackColor="#009999"></SelectedItemStyle>
                <ItemStyle ForeColor="#003399" BackColor="White"></ItemStyle>
                <HeaderStyle Font-Bold="True" ForeColor="#CCCCFF" BackColor="#003399"></HeaderStyle>
                <PagerStyle HorizontalAlign="Left" ForeColor="#003399" BackColor="#99CCCC" Mode="NumericPages"></PagerStyle>
            </asp:DataGrid>
        </form>
    </body>
</HTML>

2.cs代码

public class DataGridTooltip : System.Web.UI.Page
    {
        protected System.Web.UI.WebControls.DataGrid DataGrid1;
        private DataTable dt;

        #region Page_Load
        private void Page_Load(object sender, System.EventArgs e)
        {
            if(!IsPostBack)
            {
                SqlConnection cnn = new SqlConnection();
                cnn.ConnectionString = "data source=meng;initial catalog=Northwind;password=sa;persist security info=True;user id=sa;packet size=4096";

                string sqlstr = "select Top 16 CustomerID, CompanyName,ContactTitle,Country, City, Address,PostalCode,Phone,Fax from Customers";

                cnn.Open();
                SqlDataAdapter ad = new SqlDataAdapter(sqlstr,cnn);
                dt = new DataTable();
                ad.Fill(dt);

                DataGrid1.DataSource = dt;
                DataGrid1.DataBind();
            }
        }
        #endregion

        #region DataGrid1_ItemDataBound
        private void DataGrid1_ItemDataBound(object sender,System.Web.UI.WebControls.DataGridItemEventArgs e)
        {
            if(e.Item.ItemType == ListItemType.AlternatingItem|| e.Item.ItemType == ListItemType.Item)
            {
                e.Item.Attributes.Add("onmouseover","this.oldcolor=this.style.backgroundColor;this.style.backgroundColor='#C8F7FF';");

                e.Item.Attributes.Add("onmousemove",
                    "Show('"+dt.Rows[e.Item.ItemIndex]["country"].ToString()+"','"
                    +dt.Rows[e.Item.ItemIndex]["City"].ToString()+"','"
                    +dt.Rows[e.Item.ItemIndex]["Address"].ToString()+"','"
                    +dt.Rows[e.Item.ItemIndex]["PostalCode"].ToString()+"','"
                    +dt.Rows[e.Item.ItemIndex]["Phone"].ToString()+"','"
                    +dt.Rows[e.Item.ItemIndex]["Fax"].ToString()+"');");
                e.Item.Attributes.Add("onmouseout",    "this.style.backgroundColor=this.oldcolor;Hide();");
            }
        }
        #endregion

        #region Web Form Designer generated code
        override protected void OnInit(EventArgs e)
        {
            //
            // CODEGEN: This call is required by the ASP.NET Web Form Designer.
            //
            InitializeComponent();
            base.OnInit(e);
        }

        /// <summary>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// </summary>
        private void InitializeComponent()
        {
            this.DataGrid1.ItemDataBound += new System.Web.UI.WebControls.DataGridItemEventHandler(this.DataGrid1_ItemDataBound);
            this.Load += new System.EventHandler(this.Page_Load);

        }
        #endregion
    }