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  • DataGrid实现tooltip功能


    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

        }
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  • 原文地址:https://www.cnblogs.com/Fooo/p/604600.html
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