Create a Database name with log and then Execute the following scripts in sql server
USE [log]
GO
/****** Object: Table [dbo].[Department] Script Date: 02/24/2012 11:59:46 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Department](
[id] [int] IDENTITY(1,1) NOT NULL,
[department name] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
USE [log]
GO
/****** Object: Table [dbo].[Student_S] Script Date: 02/24/2012 13:11:01 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
SET ANSI_PADDING ON
GO
CREATE TABLE [dbo].[Student_S](
[id] [int] IDENTITY(1,1) NOT NULL,
[Sid] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
[Firstname] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
[LastName] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
[Phone] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
[Department] [varchar](50) COLLATE SQL_Latin1_General_CP1_CI_AS NOT NULL,
CONSTRAINT [PK_Student_S] PRIMARY KEY CLUSTERED
(
[Sid] ASC
)WITH (IGNORE_DUP_KEY = OFF) ON [PRIMARY]
) ON [PRIMARY]
GO
SET ANSI_PADDING OFF
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="gridauto.aspx.cs" Inherits="gridauto" %>
<!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>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<h2 style=" color:blue; font-style:normal ">
Gridview in Gridview in asp.net
<br />or Nested Gridview
</h2>
<div>
<asp:GridView ID="GridView1" runat="server"
OnRowDataBound="GridView1_RowDataBound" HeaderStyle-ForeColor="Blue"
AutoGenerateColumns="False" DataSourceID="SqlDataSource1" CellPadding="4"
ForeColor="#333333" GridLines="None">
<FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />
<RowStyle BackColor="#EFF3FB" />
<Columns>
<asp:TemplateField HeaderText="DEPT">
<ItemTemplate>
<!-- <asp:BoundField HeaderText="Dept" DataField="deptname" runat="server"/> -->
<asp:Label ID="deptname1" runat="server" Text=' <%#Eval("department name")%>'></asp:Label>
</ItemTemplate>
</asp:TemplateField>
<asp:TemplateField>
<ItemTemplate>
<asp:GridView ID="GridView2" runat="server" >
<RowStyle BackColor="#EFF3FB" />
</asp:GridView>
</ItemTemplate>
</asp:TemplateField>
</Columns>
<PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />
<SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />
<HeaderStyle ForeColor="White" BackColor="#507CD1" Font-Bold="True"></HeaderStyle>
<EditRowStyle BackColor="#2461BF" />
<AlternatingRowStyle BackColor="White" />
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:logConnectionString %>"
SelectCommand="SELECT [department name] FROM [Department]"></asp:SqlDataSource>
</div>
</form>
</body>
</html>
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.SqlClient;
public partial class gridauto : System.Web.UI.Page
{
SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["Employee"].ToString());
DataSet ds = new DataSet();
protected void Page_Load(object sender, EventArgs e)
{
GridView1.DataBind();
}
string[] a = new string[10];
int i = 0;
int m = 0, n = 0;
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowType == DataControlRowType.DataRow)
{
if (GridView1.Rows.Count >= 0)
{
m = n;
Label l = (Label)e.Row.FindControl("deptname1");
a[i] = l.Text;
if (l.Text != " ")
{
con.Open();
GridView gv = (GridView)e.Row.FindControl("GridView2");
ds.Clear();
SqlCommand cmd = new SqlCommand("select LastName ,Firstname,Phone from Student_S where Department='" + l.Text + "'", con);
cmd.CommandType = CommandType.Text;
SqlDataAdapter da = new SqlDataAdapter(cmd);
da.Fill(ds);
gv.DataSource = ds;
gv.DataBind();
con.Close();
}
}
}
}
}
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