Beispiel für die ActiveConnection-, CommandText-, CommandTimeout-, CommandType-, Size- und Direction-Eigenschaften (JScript)
Dieses Beispiel verwendet die Eigenschaften ActiveConnection, CommandText, CommandTimeout, CommandType, Size, und Direction, um eine gespeicherte Prozedur auszuführen. Schneiden Sie den folgenden Code aus, fügen Sie ihn in Editor oder einen anderen Text-Editor ein, und speichern Sie ihn als ActiveConnectionJS.asp.
<!-- BeginActiveConnectionJS -->
<%@LANGUAGE="JScript"%>
<%// use this meta tag instead of adojavas.inc%>
<!--METADATA TYPE="typelib" uuid="00000205-0000-0010-8000-00AA006D2EA4" -->
<html>
<head>
<title>ActiveConnection, CommandText, CommandTimeout, CommandType, Size, and Direction Properties</title>
<style>
<!--
BODY {
font-family: 'Verdana','Arial','Helvetica',sans-serif;
BACKGROUND-COLOR:white;
COLOR:black;
}
.thead {
background-color: #008080;
font-family: 'Verdana','Arial','Helvetica',sans-serif;
font-size: x-small;
color: white;
}
.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">
<%
var iRoyalty = parseInt(Request.Form("RoyaltyValue"));
// check user input
if (iRoyalty > -1)
{
// connection and recordset variables
var Cnxn = Server.CreateObject("ADODB.Connection")
var strCnxn = "Provider='sqloledb';Data Source=" + Request.ServerVariables("SERVER_NAME") + ";" +
"Initial Catalog='pubs';Integrated Security='SSPI';";
var cmdByRoyalty = Server.CreateObject("ADODB.Command");
var rsByRoyalty = Server.CreateObject("ADODB.Recordset");
var rsAuthor = Server.CreateObject("ADODB.Recordset");
// display variables
var filter, strMessage;
try
{
// open connection
Cnxn.Open(strCnxn);
cmdByRoyalty.CommandText = "byroyalty";
cmdByRoyalty.CommandType = adCmdStoredProc;
cmdByRoyalty.CommandTimeOut = 15;
// The stored procedure called above is as follows:
// CREATE PROCEDURE byroyalty
// @percentage int
// AS
// SELECT au_id from titleauthor
// WHERE titleauthor.royaltyper = @percentage
// GO
prmByRoyalty = Server.CreateObject("ADODB.Parameter");
prmByRoyalty.Type = adInteger;
prmByRoyalty.Size = 3;
prmByRoyalty.Direction = adParamInput;
prmByRoyalty.Value = iRoyalty;
cmdByRoyalty.Parameters.Append(prmByRoyalty);
cmdByRoyalty.ActiveConnection = Cnxn;
// recordset by Command - Execute
rsByRoyalty = cmdByRoyalty.Execute();
// recordset by Recordset - Open
rsAuthor.Open("Authors", Cnxn);
while (!rsByRoyalty.EOF)
{
// set filter
filter = "au_id='" + rsByRoyalty("au_id")
rsAuthor.Filter = filter + "'";
// start new line
strMessage = "<P>";
// get data
strMessage += rsAuthor("au_fname") + " ";
strMessage += rsAuthor("au_lname") + " ";
// end line
strMessage += "</P>";
// show data
Response.Write(strMessage);
// get next record
rsByRoyalty.MoveNext;
}
}
catch (e)
{
Response.Write(e.message);
}
finally
{
// clean up
if (rsByRoyalty.State == adStateOpen)
rsByRoyalty.Close;
if (rsAuthor.State == adStateOpen)
rsAuthor.Close;
if (Cnxn.State == adStateOpen)
Cnxn.Close;
rsByRoyalty = null;
rsAuthor = null;
Cnxn = null;
}
}
%>
<hr>
<form method="POST" action="ActiveConnectionJS.asp">
<p align="left">Enter royalty percentage to find (e.g., 40): <input type="text" name="RoyaltyValue" size="5"></p>
<p align="left"><input type="submit" value="Submit" name="B1"><input type="reset" value="Reset" name="B2"></p>
</form>
</body>
</html>
<!-- EndActiveConnectionJS -->
Weitere Informationen
ActiveCommand-Eigenschaft (ADO)
Command-Objekt (ADO)
CommandText-Eigenschaft (ADO)
CommandTimeout-Eigenschaft (ADO)
CommandType-Eigenschaft (ADO)
Connection-Objekt (ADO)
Direction-Eigenschaft
Parameter-Objekt
Record-Objekt (ADO)
Recordset-Objekt (ADO)
Size-Eigenschaft (ADO-Parameter)
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