Beispiel für die ActiveConnection-, CommandText-, CommandTimeout-, CommandType-, Size- und Direction-Eigenschaften (JScript)

  • Artikel

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)