📄 sqlparameterselect.aspx

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💻 ASPX

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<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.SqlClient" %>

<Script Runat="Server">

Sub Button_Click( s As Object, e As EventArgs )
  Dim conPubs As SqlConnection
  Dim strSelect As String
  Dim cmdSelect As SqlCommand

  conPubs = New SqlConnection( "server=localhost;UID=sa;PWD=secret;Database=Pubs" )
  strSelect = "Select phone From Authors Where au_fname=@firstname And au_lname=@lastname"
  cmdSelect = New SqlCommand( strSelect, conPubs )

  cmdSelect.Parameters.Add( "@firstname", txtFirstname.Text )
  cmdSelect.Parameters.Add( "@lastname", txtLastname.Text )

  conPubs.Open()
  lblPhone.Text = cmdSelect.ExecuteScalar()
  conPubs.Close()
End Sub


</Script>

<html>
<head><title>SqlParameterSelect.aspx</title></head>
<body>

<form Runat="Server">

<h2>Author Phone Lookup</h2>

<b>First Name:</b>
<br>
<asp:TextBox
  ID="txtFirstname"
  Runat="Server" />
<p>
<b>Last Name:</b>
<br>
<asp:TextBox
  ID="txtLastname"
  Runat="Server" />
<p>
<asp:Button
  Text="Lookup!"
  OnClick="Button_Click"
  Runat="Server" />
<p>
<b>Phone:</b>
<asp:Label
  ID="lblPhone"
  EnableViewState="False"
  Runat="Server" />

</form>

</body>
</html>

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