How to use Linq in ASP.NET App refer my below post
http://www.dotnetissues.com/2011/02/select-query-linq-to-sql-example.html
To Delete data from DB , below is the code using LINQ
Default8.aspx
http://www.dotnetissues.com/2011/02/select-query-linq-to-sql-example.html
To Delete data from DB , below is the code using LINQ
Default8.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default8.aspx.cs" Inherits="Default8" %>
<!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>
<asp:GridView ID="GridView1" runat="server"/>
</div>
</form>
</body>
</html>
Default8.aspx.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class Default8 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DataClasses2DataContext db = new DataClasses2DataContext();
//To delete the record
var obj = from o in db.AdminInfos
where o.sLoginId=="TestLinq"
select o;
db.AdminInfos.DeleteAllOnSubmit(obj);
db.SubmitChanges();
//to get all the records from the table
var results = from o in db.AdminInfos
select o;
GridView1.DataSource = results;
GridView1.DataBind();
}
}
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