errors in visual studio webpage code (Trying to connect the website to a database)

this is th (ConnectionClass.cs)code

usingSystem;usingSystem.Collections.Generic;usingSystem.Linq;usingSystem.Web;usingSystem.Collections;usingSystem.Configuration;usingSystem.Data.SqlClient;publicstaticclassConnectionClass{privatestaticSqlConnection conn;privatestaticSqlCommand command;staticConnectionClass(){string connectionString =ConfigurationManager.ConnectionStrings["coffeeConnection"].ToString();
        conn =newSqlConnection(connectionString);
        command =newSqlCommand("", conn);}publicstaticArrayListGetCoffeeByType(string coffeeType){ArrayList list =newArrayList();string query =string.Format("SELECT * FROM coffee WHERE type LIKE '{0}'", coffeeType);try{
            conn.Open();
            command.CommandText= query;SqlDataReader reader = command.ExecuteReader();while(reader.Read()){int id = reader.GetInt32(0);string name = reader.GetString(1);string type = reader.GetString(2);double price = reader.GetDouble(3);string roast = reader.GetString(4);string country = reader.GetString(5);string image = reader.GetString(6);string review = reader.GetString(7);Coffee coffee =newCoffee(id, name, type, price, roast, country, image, review);
                list.Add(coffee);}}finally{
            conn.Close();}return list;}}

(web.confg)code

<?xml version="1.0"?><configuration><appSettings/><connectionStrings><clear/><addname="coffeeConnection"connectionString="Data Source=LOCALHOST\SQLEXPRESS;Initial Catalog=CoffeeDB;Integrated Security=True"providerName="System.Data.SqlClient"/></connectionStrings><system.web><compilationdebug="true"targetFramework="4.0"><assemblies><addassembly="System.Web.Extensions.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35"/><addassembly="System.Design, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B03F5F7F11D50A3A"/><addassembly="System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=B77A5C561934E089"/></assemblies></compilation><authenticationmode="Windows"/></system.web></configuration>

and finally this is the SQL code

GO
CREATE TABLE [dbo].[coffee]([id][int] IDENTITY(1,1) NOT NULL,[name][varchar](50) NOT NULL,[type][varchar](50) NOT NULL,[price][float] NOT NULL,[roast][varchar](50) NOT NULL,[country][varchar](50) NOT NULL,[image][varchar](255) NULL,[review][text] NOT NULL,
PRIMARY KEY CLUSTERED ([id] ASC)WITH (PAD_INDEX  = OFF, STATISTICS_NORECOMPUTE  = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_LOCKS  = ON, ALLOW_PAGE_LOCKS  = ON) ON [PRIMARY]) ON [PRIMARY] TEXTIMAGE_ON [PRIMARY]
GO
SET ANSI_PADDING OFF
GO
SET IDENTITY_INSERT [dbo].[coffee] ON
INSERT [dbo].[coffee]([id],[name],[type],[price],[roast],[country],[image],[review]) VALUES (1, N'Café au Lait', N'Classic',2.25, N'Medium', N'France', N'../Images/Coffee/Cafe-Au-Lait.jpg', N'A coffee beverage consisting strong or bold coffee (sometimes espresso) mixed with scalded milk in approximately a 1:1 ratio.')
INSERT [dbo].[coffee]([id],[name],[type],[price],[roast],[country],[image],[review]) VALUES (2, N'Caffè Americano', N'Espresso',2.25, N'Medium', N'Italy', N'../Images/coffee/caffe_americano.jpg', N'Similar in strength and taste to American-style brewed coffee, there are subtle differences achieved by pulling a fresh shot of espresso for the beverage base.')
INSERT [dbo].[coffee]([id],[name],[type],[price],[roast],[country],[image],[review]) VALUES (3, N'Peppermint White Chocolate Mocha', N'Espresso',3.25, N'Medium', N'Italy', N'../Images/coffee/white-chocolate-peppermint-mocha.jpg', N'Espresso with white chocolate and peppermint flavored syrups.
Topped with sweetened whipped cream and dark chocolate curls.')
INSERT [dbo].[coffee]([id],[name],[type],[price],[roast],[country],[image],[review]) VALUES (4, N'Irish Coffee', N'Alcoholic',2.25, N'Dark', N'Ireland', N'../Images/coffee/irish coffee.jpg', N'A cocktail consisting of hot coffee, Irish whiskey, and sugar, stirred, and topped with thick cream. The coffee is drunk through the cream.')
SET IDENTITY_INSERT [dbo].[coffee] OFF