Saturday, 9 March 2013

Linq Without DBML File




ASPX.CS Code

.CS Code (Class file)

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Data.Linq.Mapping;



[Table(Name = "stu_info")]
public class Person
{
    [Column(IsPrimaryKey = true, IsDbGenerated = true)]
    public int roll { get; set; }
    [Column]
    public string Name { get; set; }
    [Column]
    public string LName { get; set; }
}


ASPX CODE

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!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></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
   
    </div>
    <asp:GridView ID="GridView1" runat="server">
    </asp:GridView>
  
    </form>
</body>
</html>




using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data.Linq.Mapping;
using System.Data;
using System.Data.Linq;
using System.Data.SqlClient;


public partial class _Default : System.Web.UI.Page
{
    //BusinessObjects db = new BusinessObjects();
    public string constr = @"Data Source=RAMUTELECOM\RKUMAR;Initial Catalog=test3;Persist Security Info=True;User ID=sa;Password=mysachi";
    protected void Page_Load(object sender, EventArgs e)
    {

        DataContext db = new DataContext(constr);
       GridView1.DataSource = db.GetTable<Person>().ToList();
       GridView1.DataBind();
     
    
          
    }




    protected void Button1_Click(object sender, EventArgs e)
    {
        SqlConnection con = new SqlConnection(constr);
        SqlCommand com = new SqlCommand("exec sp_twotable", con);
        con.Open();
        SqlDataReader dr = com.ExecuteReader();
        GridView1.DataSource = dr;
        GridView1.DataBind();
        dr.NextResult();
        GridView2.DataSource = dr;
        GridView2.DataBind();
        con.Close();
    }
}

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