Connecting link button to database to fetch data

Question

I had created a LinkButton in Asp.Net.I want to Fetch Data from DB using LinkButton.So if i click on LinkButton the data from DataBase should be displayed.I'm posting my webform1.aspx.cs and webform1.aspx page. 

 This is my webform1.aspx.cs page:-

 

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

namespace Link1
{
public partial class WebForm1 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{

}

protected void LinkButton1_Click(object sender, EventArgs e)
{

}
}
}

 

 

 This is my webform1.aspx:

 

i had named my LinkButton as Admin.

 

Admin .

Can anyone help me with this.