The SqlConnection, SqlCommand, and SqlDataReader objects (VB) : SqlDataReader « ADO.net Database « ASP.NET Tutorial

<%@ Page Language="VB" %>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>
<%@ Import Namespace="System.Configuration" %>

<script runat="server">
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) 

        If Not Page.IsPostBack Then
            Dim MyConnection As SqlConnection
            Dim MyCommand As SqlCommand
            Dim MyReader As SqlDataReader

            MyConnection = New SqlConnection()
            MyConnection.ConnectionString = ConfigurationManager.ConnectionStrings("DSN_Northwind").ConnectionString

            MyCommand = New SqlCommand()
            MyCommand.CommandText = "SELECT TOP 3 * FROM CUSTOMERS"
            MyCommand.CommandType = CommandType.Text
            MyCommand.Connection = MyConnection

            MyCommand.Connection.Open()
            MyReader = MyCommand.ExecuteReader(CommandBehavior.CloseConnection)

            gvCustomers.DataSource = MyReader
            gvCustomers.DataBind()

            MyCommand.Dispose()
            MyConnection.Dispose()
        End If
    End Sub
</script>

<html>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:GridView ID="gvCustomers" runat="server">
        </asp:GridView>    
    </div>
    </form>
</body>
</html>

File: Web.config

<configuration>

  <connectionStrings>
        <add name="DSN_Northwind" 
             connectionString="Data Source=localhost\SQLEXPRESS;Initial Catalog=Northwind;Integrated Security=True"
             providerName="System.Data.SqlClient" />
    </connectionStrings>

</configuration>

18.6.SqlDataReader
	18.6.1.	Building Data Access Components with ADO.NET
	18.6.2.	Returning a Resultset
	18.6.3.	DataReader Multiple result set
	18.6.4.	The SqlConnection, SqlCommand, and SqlDataReader objects (C#)
	18.6.5.	The SqlConnection, SqlCommand, and SqlDataReader objects (VB)