<%
' Constants ripped from adovbs.inc:
Const adOpenStatic = 3
Const adLockReadOnly = 1
Const adCmdText = &H0001
' Our own constants:
Const PAGE_SIZE = 5 ' The size of our pages.
' Declare our variables... always good practice!
Dim strURL ' The URL of this page so the form will work
' no matter what this file is named.
Dim cnnSearch ' ADO connection
Dim rstSearch ' ADO recordset
Dim strDBPath ' path to our Access database (*.mdb) file
Dim strSQL ' The SQL Query we build on the fly
Dim strSearch ' The text being looked for
Dim iPageCurrent ' The page we're currently on
Dim iPageCount ' Number of pages of records
Dim iRecordCount ' Count of the records returned
Dim I ' Standard looping variable
' Retreive the URL of this page from Server Variables
strURL = Request.ServerVariables("URL")
' Retreive the term being searched for. I'm doing it on
' the QS since that allows people to bookmark results.
' You could just as easily have used the form collection.
strSearch = Request.QueryString("search")
strSearch = Replace(strSearch, "'", "''")
' Retrieve page to show or default to the first
If Request.QueryString("page") = "" Then
iPageCurrent = 1
Else
iPageCurrent = CInt(Request.QueryString("page"))
End If
' Since I'm doing this all in one page I need to see if anyone
' has searched for something. If they have we hit the DB.
' O/W I just show the search form and quit.
%>
<p>Search our sample db by first or last name. (% returns all)</p>
<form action="<%= strURL %>" method="get">
<input name="search" value="<%= strSearch %>" />
<input type="submit" />
</form>
<p>
[Since we've got a very small sample DB, try a single letter
search like 'a' or 'e' for an example that actually pages!]
</p>
<%
If strSearch <> "" Then
' MapPath of virtual database file path to a physical path.
' If you want you could hard code a physical path here.
strDBPath = Server.MapPath("database.mdb")
' Create an ADO Connection to connect to the sample database.
' We're using OLE DB but you could just as easily use ODBC or a DSN.
Set cnnSearch = Server.CreateObject("ADODB.Connection")
' This line is for the Access sample database:
'cnnSearch.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & strDBPath & ";"
' We're actually using SQL Server so we use this line instead:
cnnSearch.Open "Provider=SQLOLEDB;Data Source=10.2.2.133;" _
& "Initial Catalog=samples;User Id=samples;Password=password;" _
& "Connect Timeout=15;Network Library=dbmssocn;"
' Build our query based on the input.
strSQL = "SELECT last_name, first_name, sales " _
& "FROM sample " _
& "WHERE last_name LIKE '%" & Replace(strSearch, "'", "''") & "%' " _
& "OR first_name LIKE '%" & Replace(strSearch, "'", "''") & "%' " _
& "ORDER BY last_name;"
' Execute our query using the connection object. It automatically
' creates and returns a recordset which we store in our variable.
Set rstSearch = Server.CreateObject("ADODB.Recordset")
rstSearch.PageSize = PAGE_SIZE
rstSearch.CacheSize = PAGE_SIZE
' Open our recordset
rstSearch.Open strSQL, cnnSearch, adOpenStatic, adLockReadOnly, adCmdText
' Get a count of the number of records and pages
' for use in building the header and footer text.
iRecordCount = rstSearch.RecordCount
iPageCount = rstSearch.PageCount
If iRecordCount = 0 Then
' Display no records error.
%>
<p>
No records found. Please try again.
</p>
<%
Else
' Move to the page we need to show.
rstSearch.AbsolutePage = iPageCurrent
' Show a quick status line letting people know where they are:
%>
<hr />
<p>
<%= iRecordCount %> Records Found.
Displaying page <%= iPageCurrent %>
of <%= iPageCount %>:
</p>
<%
' Display a table of the data in the recordset. We loop through the
' recordset displaying the fields from the table and using MoveNext
' to increment to the next record. We stop when we reach EOF.
' For fun I'm combining some fields and showwing you can do more then
' just spit out the data in the form it is in in the table.
%>
<table border="1">
<tr>
<th>Name</th>
<th>Sales</th>
</tr>
<%
Do While Not rstSearch.EOF And rstSearch.AbsolutePage = iPageCurrent
%>
<tr>
<td><%= rstSearch.Fields("first_name").Value %> <%= rstSearch.Fields("last_name").Value %></td>
<td><%= rstSearch.Fields("sales").Value %></td>
</tr>
<%
rstSearch.MoveNext
Loop
%>
</table>
<p>
<%
' Now we need to show our navigation links:
' Show "previous" and "next" page links which pass the page to
' view our search parameter. You could also use form buttons
' but I find this looks better.
If iPageCurrent > 1 Then
%>
<a href="<%= strURL %>?search=<%= Server.URLEncode(strSearch) %>&page=<%= iPageCurrent - 1 %>">[<< Prev]</a>
<%
End If
' You can also show page numbers:
For I = 1 To iPageCount
If I = iPageCurrent Then
%>
<%= I %>
<%
Else
%>
<a href="<%= strURL %>?search=<%= Server.URLEncode(strSearch) %>&page=<%= I %>"><%= I %></a>
<%
End If
Next 'I
If iPageCurrent < iPageCount Then
%>
<a href="<%= strURL %>?search=<%= Server.URLEncode(strSearch) %>&page=<%= iPageCurrent + 1 %>">[Next >>]</a>
<%
End If
%>
</p>
<%
End If
' Close our recordset and connection and dispose of the objects
rstSearch.Close
Set rstSearch = Nothing
cnnSearch.Close
Set cnnSearch = Nothing
End If
%>