using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using System.Data.SqlClient; using System.Configuration; namespace Prartice1 { public partial class Registration : System.Web.UI.Page { SqlConnection con = new SqlConnection(ConfigurationManager.ConnectionStrings["Con"].ConnectionString); protected void Page_Load(object sender, EventArgs e) { if(!IsPostBack) { GetEmpDetails(); } } private void GetEmpDetails() { DataTable dt = new DataTable(); ...