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Find, exemple de méthode (JScript)

  • Article

Cet exemple utilise la méthode Find de l’objet Recordset pour localiser et afficher les sociétés de la base de données Northwind dont le nom commence par la lettre G. Coupez et collez le code suivant dans le Bloc-notes ou un autre éditeur de texte, puis enregistrez-le sous le nom FindJS.asp.

<!-- BeginFindJS -->  
<%@  Language=JavaScript %>  
<%// use this meta tag instead of adojavas.inc%>  
<!--METADATA TYPE="typelib" uuid="00000205-0000-0010-8000-00AA006D2EA4" -->  
  
<html>  
  
<head>  
<title>ADO Recordset.Find Example</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">  
  
<h1>ADO Recordset.Find Example</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 rsCustomers = Server.CreateObject("ADODB.Recordset");  
        // display string  
    var strMessage;      
    var strFind;  
  
    try  
    {  
            // open connection  
        Cnxn.Open(strCnxn);  
  
            //create recordset using object refs  
        SQLCustomers = "select * from Customers;";  
  
        rsCustomers.ActiveConnection = Cnxn;  
        rsCustomers.CursorLocation = adUseClient;  
        rsCustomers.CursorType = adOpenKeyset;  
        rsCustomers.LockType = adLockOptimistic;  
        rsCustomers.Source = SQLCustomers;  
  
        rsCustomers.Open();  
        rsCustomers.MoveFirst();  
  
            //find criteria  
        strFind = "CompanyName like 'g%'"  
        rsCustomers.Find(strFind);  
  
        if (rsCustomers.EOF) {  
            Response.Write("No records matched ");  
            Response.Write(SQLCustomers & "So cannot make table...");  
            Cnxn.Close();  
            Response.End();  
        }   
        else {  
            Response.Write('<table width="100%" border="2">');  
            Response.Write('<tr class="thead2">');  
            // Put Headings On The Table for each Field Name  
            for (thisField = 0; thisField < rsCustomers.Fields.Count; thisField++) {  
                fieldObject = rsCustomers.Fields(thisField);  
                Response.Write('<th width="' + Math.floor(100 / rsCustomers.Fields.Count) + '%">' + fieldObject.Name + "</th>");  
            }  
            Response.Write("</tr>");  
  
            while (!rsCustomers.EOF) {  
                Response.Write('<tr class="tbody">');  
                for(thisField=0; thisField<rsCustomers.Fields.Count; thisField++) {  
                    fieldObject = rsCustomers.Fields(thisField);  
                    strField = fieldObject.Value;  
                    if (strField == null)  
                        strField = "-Null-";  
                    if (strField == "")  
                        strField = "";  
                    Response.Write("<td>" + strField + "</td>");  
                }  
                rsCustomers.Find(strFind, 1, adSearchForward)  
                Response.Write("</tr>");  
            }  
            Response.Write("</table>");  
        }  
    }  
    catch (e)  
    {  
        Response.Write(e.message);  
    }  
    finally  
    {  
        // clean up  
        if (rsCustomers.State == adStateOpen)  
            rsCustomers.Close;  
        if (Cnxn.State == adStateOpen)  
            Cnxn.Close;  
        rsCustomers = null;  
        Cnxn = null;  
    }  
%>  
  
</body>  
  
</html>  
<!-- EndFindJS -->

Voir aussi

Find, méthode (ADO)
Recordset, objet (ADO)