📄 oledbparameterselect.aspx

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💻 ASPX

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<%@ Page Language="C#"%>
<%@ Import Namespace="System.Data" %>
<%@ Import Namespace="System.Data.OleDb" %>

<script runat=server>

void Button_Click( object s, EventArgs e ) {
   OleDbConnection conAuthors;
   string  strSelect;
   OleDbCommand cmdSelect;

  conAuthors = new OleDbConnection( "PROVIDER=Microsoft.Jet.OLEDB.4.0;DATA Source=c:\\Authors.mdb" );
 

    strSelect = "Select phone From Authors Where au_fname=? And au_lname=?";
  cmdSelect = new OleDbCommand( strSelect, conAuthors );

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

  conAuthors.Open();
  lblPhone.Text = String.Format("{0}", cmdSelect.ExecuteScalar());
  conAuthors.Close();
}


</Script>

<html>
<head><title>OleDbParameterSelect.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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