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ASP Classic code connecting to MS SQL
Category: ASP.NET
By: Chester Zhang - November 16th, 2009
This article has been read: 125 times.


In this tutirials, you will get the samples on how to connect to MS SQL Server database.


Connect with a DSN

DSN stands for 'Data Source Name'.



<%
'declare the variables
Dim Connection
Dim Recordset
Dim SQL

'declare the SQL statement that will query the database
SQL = "SELECT * FROM TABLE_NAME"

'create an instance of the ADO connection and recordset objects
Set Connection = Server.CreateObject("ADODB.Connection")
Set Recordset = Server.CreateObject("ADODB.Recordset")

'open the connection to the database
Connection.Open "DSN=dsn_name;UID=user_name;PWD=password;Database=database_name"

'Open the recordset object executing the SQL statement and return records
Recordset.Open SQL,Connection

'first of all determine whether there are any records
If Recordset.EOF Then
Response.Write("No records returned.")
Else
'if there are records then loop through the fields
Do While NOT Recordset.Eof   
Response.write Recordset("FIRST_FIELD_NAME")
Response.write Recordset("SECOND_FIELD_NAME")
Response.write Recordset("THIRD_FIELD_NAME")
Response.write "<br>"   
Recordset.MoveNext    
Loop
End If

'close the connection and recordset objects to free up resources
Recordset.Close
Set Recordset=nothing
Connection.Close
Set Connection=nothing
%>



Connect without a DSN (using a connection string)
<%
'declare the variables
Dim Connection
Dim ConnString
Dim Recordset
Dim SQL

'define the connection string, specify database driver
ConnString="DRIVER={SQL Server};SERVER=yourServername;UID=yourUsername;" & _
"PWD=yourPassword;DATABASE=yourDatabasename"

'declare the SQL statement that will query the database
SQL = "SELECT * FROM TABLE_NAME"

'create an instance of the ADO connection and recordset objects
Set Connection = Server.CreateObject("ADODB.Connection")
Set Recordset = Server.CreateObject("ADODB.Recordset")

'Open the connection to the database

Connection.Open ConnString

'Open the recordset object executing the SQL statement and return records
Recordset.Open SQL,Connection

'first of all determine whether there are any records
If Recordset.EOF Then
Response.Write("No records returned.")
Else
'if there are records then loop through the fields
Do While NOT Recordset.Eof   
Response.write Recordset("FIRST_FIELD_NAME")
Response.write Recordset("SECOND_FIELD_NAME")
Response.write Recordset("THIRD_FIELD_NAME")
Response.write "<br>"
   
Recordset.MoveNext    
Loop
End If


'close the connection and recordset objects to free up resources
Recordset.Close
Set Recordset=nothing
Connection.Close
Set Connection=nothing
%>


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