ActualSize- und DefinedSize-Eigenschaft (Beispiel) (JScript)
In diesem Beispiel werden die ActualSize und DefinedSize Eigenschaften verwendet, um die definierte Größe und die tatsächliche Größe eines Felds anzuzeigen. Schneiden Sie den folgenden Code aus, fügen Sie ihn in Editor oder einem anderen Texteditor ein, und speichern Sie ihn als ActualSizeJS.asp.
<!-- BeginActualSizeJS -->
<%@LANGUAGE="JScript" %>
<%// use this meta tag instead of adojavas.inc%>
<!--METADATA TYPE="typelib" uuid="00000205-0000-0010-8000-00AA006D2EA4" -->
<html>
<head>
<title>ActualSize and DefinedSize Properties Example (JScript)</title>
<style>
<!--
body {
font-family: 'Verdana','Arial','Helvetica',sans-serif;
BACKGROUND-COLOR:white;
COLOR:black;
}
.thead2 {
background-color: #800000;
font-family: 'Verdana','Arial','Helvetica',sans-serif;
font-size: x-small;
color: white;
}
.tbody {
text-align: center;
background-color: #f7efde;
font-family: 'Verdana','Arial','Helvetica',sans-serif;
font-size: x-small;
}
-->
</style>
</head>
<body bgcolor="White">
<h1>ADO ActualSize and DefinedSize Properties (JScript)</h1>
<%
// connection and recordset variables
var Cnxn = Server.CreateObject("ADODB.Connection")
var strCnxn = "Provider='sqloledb';Data Source=" + Request.ServerVariables("SERVER_NAME") + ";" +
"Initial Catalog='Northwind';Integrated Security='SSPI';";
var rsSuppliers = Server.CreateObject("ADODB.Recordset");
// display variables
var fld, strMessage;
try
{
// open connection
Cnxn.Open(strCnxn);
// Open a recordset on the stores table
rsSuppliers.Open("Suppliers", strCnxn);
// build table headers
Response.Write("<table>");
Response.Write('<tr class="thead2"><th>Field Value</th>');
Response.Write("<th>Defined Size</th>");
Response.Write("<th>Actual Size</th></tr>");
while (!rsSuppliers.EOF)
{
// start a new line
strMessage = '<tr class="tbody">';
// Display the contents of the chosen field with
// its defined size and actual size
fld = rsSuppliers("CompanyName");
strMessage += '<td align="left">' + fld.Value + "</td>"
strMessage += "<td>" + fld.DefinedSize + "</td>";
strMessage += "<td>" + fld.ActualSize + "</td>";
// end the line
strMessage += "</tr>";
// display data
Response.Write(strMessage);
// get next record
rsSuppliers.MoveNext;
}
// close the table
Response.Write("</table>");
}
catch (e)
{
Response.Write(e.message);
}
finally
{
// clean up
if (rsSuppliers.State == adStateOpen)
rsSuppliers.Close;
if (Cnxn.State == adStateOpen)
Cnxn.Close;
rsSuppliers = null;
Cnxn = null;
}
%>
</body>
</html>
<!-- EndActualSizeJS -->
Siehe auch
ActualSize-Eigenschaft (ADO)
DefinedSize-Eigenschaft
Field-Objekt