Exemple de propriétés ActiveConnection, CommandText, CommandTimeout, CommandType, Size et Direction (JScript)

  • Article

Cet exemple utilise les propriétés ActiveConnection, CommandText, CommandTimeout, CommandType, Size et Direction pour exécuter une procédure stockée. Coupez et collez le code suivant dans le Bloc-notes ou un autre éditeur de texte, puis enregistrez-le en tant qu’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 -->

Voir aussi

ActiveCommand, propriété (ADO)
Command, objet (ADO)
CommandText, propriété (ADO)
CommandTimeout, propriété (ADO)
CommandType, propriété (ADO)
Connection, objet (ADO)
Direction, propriété
Parameter, objet
Record, objet (ADO)
Recordset, objet (ADO)
Size, propriété (paramètre ADO)