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<h1>ADO WillConnect, ConnectComplete, and Disconnect Events</h1>
<hr />
<a href="ado_ref_connection.asp"><img class="navup" src="../images/up.gif" alt="Connection Object Reference" border="0" /> Complete Connection Object Reference</a>
<hr />
<p>An event is a subroutine that can be called automatically after a specific
operation has occurred.
</p>

<ul>
  <li>The <b>WillConnect</b> event can be fired before a connection starts.</li>
  <li>The <b> ConnectComplete</b> event can be fired after a connection starts.</li>
  <li>The <b>Disconnect</b> event can be fired after a connection ends.</li>
</ul>

<h3>Syntax
</h3>

<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3"> 
  <tr>
    <td valign="top">
      <pre>WillConnect ConnectionString,userid,psword,options,status,objcon</pre>
      <pre>ConnectComplete objerror,status,objconn</pre>
      <pre>Disconnect status,objconn</pre>
    </td>
  </tr>
</table>
<br />
<table class="ex" cellspacing="0" border="1" width="100%" cellpadding="3"> 
  <tr>
    <th align="left" valign="top" width="20%">Parameter</th>
    <th align="left" valign="top" width="80%">Description</th>
  </tr>  
  <tr>
    <td valign="top">ConnectionString </td>
    <td valign="top">   A string that contains the information required for the
      connection      
    </td>
  </tr>
  <tr>
    <td valign="top">userid </td>
    <td valign="top">   A string that contains the user name for the connection      
    </td>
  </tr>
  <tr>
    <td valign="top">psword </td>
    <td valign="top">   A string that contains the password for the connection      
    </td>
  </tr>
  <tr>
    <td valign="top">options </td>
    <td valign="top">   A long value that specifies how the provider should
      evaluate the ConnectionString. Can only be set to adAsyncOpen      
    </td>
  </tr>
  <tr>
    <td valign="top">objerror </td>
    <td valign="top">   An Error object that contains the errors that occurred
      <p><b>Note:</b> The EventStatusEnum value must be set to
      adStatusErrorsOccurred to create the Error object      
    </td>
  </tr>
  <tr>
    <td valign="top">status </td>
    <td valign="top">   An <a href="#eventstatusenum">EventStatusEnum</a> value.
      Default is adStatusOK
      <p>However, when the ConnectComplete event is called, this parameter is set to adStatusCancel
      IF a WillConnect event calls for cancelling of the pending connection</p>
    </td>
  </tr>
  <tr>
    <td valign="top">objconn </td>
    <td valign="top">   The Connection object that fired the event&nbsp;      
    </td>
  </tr>
</table>

<br />
<hr />
<a name="eventstatusenum"><h3>EventStatusEnum Values</h3></a>
<table cellpadding="3" width="100%" class="ex" cellspacing="0" border="1">
    <tr valign="top" align="left">
      <th width="30%" valign="top">Constant</th>
      <th width="10%" valign="top">Value</th>
      <th width="60%" valign="top">Description</th>
    </tr>
    <tr>
      <td valign="top">adStatusOK</td>
      <td valign="top">1</td>
      <td valign="top">The operation that fired the event was successful</td>
    </tr>
    <tr>
      <td valign="top">adStatusErrorsOccurred</td>
      <td valign="top">2</td>
      <td valign="top">The operation that fired the event failed</td>
    </tr>
    <tr>
      <td valign="top">adStatusCantDeny</td>
      <td valign="top">3</td>
      <td valign="top">Cannot cancel the pending operation</td>
    </tr>
    <tr valign="top">
      <td valign="top">adStatusCancel</td>
      <td valign="top">4</td>
      <td valign="top">Cancels the operation that fired the event</td>
    </tr>
    <tr>
      <td valign="top">adStatusUnwantedEvent</td>
      <td valign="top">5</td>
      <td valign="top">Prevents subsequent notifications before the event method has finished
        executing</td>
    </tr>
</table>
<br />
<hr />
<a href="ado_ref_connection.asp"><img class="navup" src="../images/up.gif" alt="Connection Object Reference" border="0" /> Complete Connection Object Reference</a>

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