Материал из .Net Framework эксперт
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Creating LINQ to SQL Entities
File: ~\App_Code\Product.cs
using System;
using System.Data.Linq.Mapping;
[Table]
public class Product
{
[Column(IsPrimaryKey=true, IsDbGenerated=true)]
public int Id { get; set; }
[Column]
public string Title { get; set; }
[Column]
public string Director { get; set; }
[Column]
public DateTime DateReleased { get; set; }
[Column]
public decimal Totals { get; set; }
}
<%@ Page Language="C#" %>
<%@ Import Namespace="System.Web.Configuration" %>
<%@ Import Namespace="System.Linq" %>
<%@ Import Namespace="System.Data.Linq" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void btnSearch_Click(object sender, EventArgs e)
{
string conString = WebConfigurationManager.ConnectionStrings["Products"] .ConnectionString;
DataContext db = new DataContext(conString);
var tProduct = db.GetTable<Product>();
grdProducts.DataSource = tProduct.Where( m => m.Director.Contains(txtDirector.Text) );
grdProducts.DataBind();
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Label
id="lblDirector"
Text="Director:"
AssociatedControlID="txtDirector"
Runat="server" />
<asp:TextBox
id="txtDirector"
Runat="server" />
<asp:Button
id="btnSearch"
Text="Search"
OnClick="btnSearch_Click"
Runat="Server" />
<asp:GridView
id="grdProducts"
Runat="server" />
</div>
</form>
</body>
</html>
File: Web.config
<configuration>
<connectionStrings>
<add name="Products"
connectionString="Data Source=.\SQLEXPRESS;
AttachDbFilename=|DataDirectory|MyDatabase.mdf;Integrated Security=True;User Instance=True" />
</connectionStrings>
</configuration>
