ADO Connection Object






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ADO Connection Object



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Connection Object


The ADO Connection Object is used to create an open connection to a data source. Through this
connection, you can access and manipulate
a database.


If you want to access a database multiple times, you should establish a connection using the Connection object.
You can also make a connection to a database by passing a connection string via a Command or Recordset object. However,
this type of connection is only good for one specific, single query.



ProgID




set objConnection=Server.CreateObject("ADODB.connection")



Properties



















































Property Description
Attributes Sets or returns the attributes of a Connection
object
CommandTimeout Sets or returns the number of seconds to wait while
attempting to execute a command
ConnectionString Sets or returns the details used to create a connection to a data
source
ConnectionTimeout Sets or returns the number of seconds to wait for a connection to
open
CursorLocation Sets or returns the location of the cursor service
DefaultDatabase Sets or returns the default database name
IsolationLevel Sets or returns the isolation level
Mode Sets or returns the provider access permission
Provider Sets or returns the provider name
State Returns a value describing if the connection is open or
closed
Version Returns the ADO version number





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Methods







































Method Description
BeginTrans Begins a new transaction
Cancel Cancels an execution
Close Closes a connection
CommitTrans Saves any changes and ends the current transaction
Execute Executes a query, statement, procedure or provider specific
text
Open Opens a connection
OpenSchema Returns schema information from the provider about the data
source
RollbackTrans Cancels any changes in the current transaction and ends the
transaction


Events


Note:  You cannot handle events using VBScript or JScript (only Visual Basic, Visual C++, and Visual J++ languages can handle
events).











































Event Description
BeginTransComplete Triggered after the BeginTrans operation
CommitTransComplete Triggered after the CommitTrans operation
ConnectComplete
 Triggered after a connection starts
Disconnect
 Triggered after a connection ends
ExecuteComplete
 Triggered after a command has finished executing
InfoMessage
 Triggered if a warning occurs during a ConnectionEvent
operation
RollbackTransComplete
 Triggered after the RollbackTrans operation
WillConnect Triggered before a connection starts
WillExecute Triggered before a command is executed


Collections















Collection Description
Errors Contains all the Error objects of the Connection object
Properties Contains all the Property objects of the Connection object



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