<?xml version="1.0" encoding="utf-8" ?>
<!-- Web.Config Configuration File -->
<configuration>
<appSettings>
<add key="ConnectionString"
value="server=localhost;database=Northwind;uid=sa;password=secret;" />
</appSettings>
<system.web>
<customErrors mode="Off"/>
</system.web>
</configuration>

Imports System
Imports System.Web
Imports System.Web.UI
Imports System.Web.UI.WebControls
Imports System.Data
Imports System.Data.SqlClient
Imports System.Configuration

Public Class ConnString : Inherits Page

Protected dataGrid As DataGrid

Protected Sub Page_Load(ByVal Sender As Object, ByVal E As EventArgs)
Dim sqlConn As SqlConnection
Dim sqlCmd As SqlCommand
Dim strConnection As String

Try
'Get connection string from Web.Config
strConnection = ConfigurationSettings.AppSettings("ConnectionString")
sqlConn = New SqlConnection(strConnection)
sqlCmd = New SqlCommand("SELECT * FROM Customers WHERE " _
& "(CompanyName LIKE 'A%') OR (CompanyName LIKE 'B%')", sqlConn)
sqlConn.Open()
dataGrid.DataSource = sqlCmd.ExecuteReader()
dataGrid.DataBind()
Catch ex As Exception
Response.Write(ex.ToString & "<br>")
Finally
sqlConn.Close()
End Try
End Sub

End Class

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