<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><!-- InstanceBegin template="/templates/interface.dwt" codeOutsideHTMLIsLocked="false" --> <head> <!-- InstanceBeginEditable name="doctitle" --> <title>Database Objects</title> <!-- InstanceEndEditable --> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <!-- InstanceBeginEditable name="head" --><!-- InstanceEndEditable --><!-- InstanceParam name="remarks2" type="boolean" value="false" --> <link href="default.css" rel="stylesheet" type="text/css"> </head> <body> <h1> <h1><!-- InstanceBeginEditable name="heading" -->IDatabaseObjects<!-- InstanceEndEditable --></h1> <h3><!-- InstanceBeginEditable name="subheader" --> IDatabaseObjects_KeyFieldName <span class="keyword">As String</span><!-- InstanceEndEditable --><br> </h3> </h1> <!-- InstanceBeginEditable name="text" --> <p>This property should return the field name that uniquely identifies each object within the collection. As opposed to the ordinal/index position, the key field provides another method of accessing a particular object within the collection. The key field must be unique within the collection. If the <a href="IDatabaseObjects_Subset.htm">IDatabaseObjects_Subset</a> function has been implemented then the key field need only to be unique within the specified subset, not the entire table. Implementing this function is optional.</p> <!-- InstanceEndEditable --> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td bgcolor="#EAEBFF"><font size="-1">This interface function/property is utilised by the following functions:<br> <b><!-- InstanceBeginEditable name="utilisedby" -->ObjectByKey, ObjectExists<!-- InstanceEndEditable --></b></font></td> </tr> </table><br> <font face="Courier New, Courier, mono"> <table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td bgcolor="#f6f6f6"><pre><!-- InstanceBeginEditable name="example" --><span class="comment"> '<font face="Courier New, Courier, mono">Products class</font> </span><span class="keyword">Private Function</span> IDatabaseObjects_KeyFieldName() <span class="keyword">As String</span> <span class="comment"> 'Each Product is uniquely identified by the ProductCode field</span> IDatabaseObjects_KeyFieldName = "ProductCode" <span class="keyword">End Function</span> <!-- InstanceEndEditable --></pre></td> </tr> </table> </font> <p></p> <!-- InstanceBeginEditable name="remarks" --> <p> </p> <!-- InstanceEndEditable --> <p> </p> <p align="center"><font size="1">� Hi Integrity Systems 2005. All rights reserved.</font></p> </body> <!-- InstanceEnd --></html>
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