javascript

The GridView implemented by js is that the header fixed table body has a scroll bar and can be scrolled


<%@ Page Language="C#" AutoEventWireup="true" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">
//The calculated data can be obtained completely from the data
ICollection CreateDataSource( )
{
System.Data.DataTable dt = new System.Data.DataTable();
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn(" Students in the class ", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn(" The student's name ", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn(" Chinese language and literature ", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn(" mathematics ", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn(" English ", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn(" The computer ", typeof(System.Decimal)));

for (int i = 0; i < 50; i++)
{
System.Random rd = new System.Random(Environment.TickCount * i); ;
dr = dt.NewRow();
dr[0] = " The class " + i.ToString();
dr[1] = " test " + i.ToString();
dr[2] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[3] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[4] = System.Math.Round(rd.NextDouble() * 100, 2);
dr[5] = System.Math.Round(rd.NextDouble() * 100, 2);
dt.Rows.Add(dr);
}
System.Data.DataView dv = new System.Data.DataView(dt);
return dv;
}

protected void Page_Load( object sender, EventArgs e )
{
if (!IsPostBack)
{
GridView1.Attributes.Add("style", "table-layout:fixed");
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
}

</script>

<script type="text/javascript">
function s() {
var t = document.getElementById("<%=GridView1.ClientID%>");
var t2 = t.cloneNode(true)
for (i = t2.rows.length - 1; i > 0; i--)
t2.deleteRow(i)
t.deleteRow(0)
a.appendChild(t2)
}
window.onload = s
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title> Create a table with a fixed header and a scrollable body GridView</title>
</head>
<body>
<form id="Form1" runat="server">
<table>
<tr>
<td>
<div id="a">
</div>
<div style="overflow-y: scroll; height: 200px">
<asp:GridView ID="GridView1" runat="server" Font-Size="12px" BackColor="#FFFFFF"
GridLines="Both" CellPadding="4" Width="560">
<HeaderStyle BackColor="#EDEDED" Height="26px" />
</asp:GridView>
</div>
</td>
</tr>
</table>
</form>
</body>
</html>