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using System;
using System.Data;
using System.Configuration;
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;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
private DataTable dt;
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
SetBind();
}
}
private void SetBind()
{
DataSet ds=new DataSet();
using(SqlConnection conn=new SqlConnection("Server=(local);database=northwind;integrated security=sspi"))
{
SqlCommand cmd=new SqlCommand("select * from employees",conn);
SqlDataAdapter da=new SqlDataAdapter(cmd);
da.Fill(ds);
}
DataList1.DataSource=ds;
DataList1.DataBind();
ViewState["dt"]=ds.Tables[0];
}
protected void LinkButton1_Click(object sender, EventArgs e)
{
dt = (DataTable)ViewState["dt"];
LinkButton lb = (LinkButton)sender;
DataView dv = dt.DefaultView;
dv.RowFilter = string.Format("employeeId='{0}'", lb.CommandArgument);
DataList2.DataSource = dv;
DataList2.DataBind();
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<asp:ScriptManager ID="ScriptManager1" runat="server" />
<br />
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:DataList ID="DataList1" runat="server">
<ItemTemplate>
<asp:LinkButton ID="LinkButton1" runat="server" Text='<%# Eval("LastName") %>' ForeColor="Black" OnClick="LinkButton1_Click" CommandArgument='<%# Eval("EmployeeId") %>' />
</ItemTemplate>
</asp:DataList>
<hr />
<asp:DataList ID="DataList2" runat="server">
<ItemTemplate>
<asp:TextBox ID="TextBox1" runat="server" Height="61px" ReadOnly="True" TextMode="MultiLine"
Width="228px" Text='<%# Eval("Notes") %>'></asp:TextBox>
</ItemTemplate>
</asp:DataList>
</ContentTemplate>
</asp:UpdatePanel>
<br />
<div>
</div>
</form>
</body>
</html>