Ejemplo del método Delete (VBScript)
Se aplica a: Access 2013, Office 2013
En este ejemplo se usa el método Delete para quitar un registro especificado de un objeto Recordset.
Utilice el ejemplo siguiente en una página Active Server (ASP).
Utilice Buscar para localizar el archivo Adovbs.inc y colocarlo en el directorio que desee usar. Corte y pegue el código siguiente en el Bloc de notas u otro editor de texto y guárdelo como DeleteVBS.asp. Podrá ver el resultado en cualquier explorador de cliente.
Para practicar con el ejemplo, prueba a utilizar primero el ejemplo de AddNew para agregar algunos registros. A continuación, podrá probar a eliminarlos. Vea el resultado en cualquier explorador de cliente.
<!-- BeginDeleteVBS -->
<%@ Language=VBScript %>
<% ' use this meta tag instead of ADOVBS.inc%>
<!-- METADATA TYPE="typelib" uuid="00000205-0000-0010-8000-00AA006D2EA4" -->
<HTML>
<HEAD>
<TITLE>ADO Delete Method</TITLE>
</HEAD>
<STYLE>
<!--
TH {
background-color: #008080;
font-family: 'Arial Narrow','Arial',sans-serif;
font-size: xx-small;
color: white;
}
TD {
text-align: center;
background-color: #f7efde;
font-family: 'Arial Narrow','Arial',sans-serif;
font-size: xx-small;
}
-->
</STYLE>
<BODY>
<H3>ADO Delete Method</H3>
<%
' to integrate this code replace the DataSource value in the connection string
' connection and recordset variables
Dim Cnxn, strCnxn
Dim rsCustomers, strSQLCustomers
' create and open connection
Set Cnxn = Server.CreateObject("ADODB.Connection")
strCnxn="Provider='sqloledb';Data Source=" & _
Request.ServerVariables("SERVER_NAME") & ";" & _
"Integrated Security='SSPI';Initial Catalog='Northwind';"
Cnxn.Open strCnxn
' create and open recordset
Set rsCustomers = Server.CreateObject("ADODB.Recordset")
strSQLCustomers = "Customers"
rsCustomers.Open strSQLCustomers, Cnxn, adOpenKeyset, adLockOptimistic, adCmdTable
' Move to designated record and delete it
If Not IsEmpty(Request.Form("WhichRecord")) Then
'Get value to move from Form Post method
Moves = Request.Form("WhichRecord")
rsCustomers.Move CInt(Moves)
If Not rsCustomers.EOF or rsCustomers.BOF Then
' handle any db errors
On Error Resume Next
rsCustomers.Delete 1
If Cnxn.Errors.Count <> 0 Then
Response.Write "Cannot delete since there are related records in other tables."
Response.End
End If
rsCustomers.MoveFirst
On Error GoTo 0
Else
Response.Write "Not a Valid Record Number"
rsCustomers.MoveFirst
End If
End If
%>
<!-- BEGIN column header row for Customer Table-->
<TABLE COLSPAN=8 CELLPADDING=5 BORDER=0>
<TR>
<TH>Rec. #</TH>
<TH>Company Name</TH>
<TH>Contact Name</TH>
<TH>City</TH>
</TR>
<%
' Display ADO Data from Customer Table
' Loop through Recordset adding one row to HTML Table each pass
Dim iCount
iCount = 0
Do Until rsCustomers.EOF %>
<TR>
<TD> <%= CStr(iCount) %>
<TD> <%= rsCustomers("CompanyName")%> </TD>
<TD> <%= rsCustomers("ContactName")%> </TD>
<TD> <%= rsCustomers("City")%> </TD>
</TR>
<%
iCount = iCount + 1
rsCustomers.MoveNext
Loop
%>
</TABLE>
<!-- Do Client side Input Data Validation Move to named record and Delete it -->
<Center>
<H4>Clicking Button Will Remove Designated Record</H4>
<H5>There are <%=rsCustomers.RecordCount%> Records in this Set</H5>
<Form Method=Post Action="Deletevbs.asp" Name=Form>
<Input Type=Text Name="WhichRecord" Size=3>
<Input Type=Button Name=cmdDelete Value="Delete Record">
</Form>
</BODY>
<Script Language = "VBScript">
Sub cmdDelete_OnClick
If IsNumeric(Document.Form.WhichRecord.Value) Then
Document.Form.WhichRecord.Value = CInt(Document.Form.WhichRecord.Value)
Dim Response
Response = MsgBox("Are You Sure About Deleting This Record?", vbYesNo, "ADO-ASP Example")
If Response = vbYes Then
Document.Form.Submit
End If
Else
MsgBox "You Must Enter a Valid Record Number",,"ADO-ASP Example"
End If
End Sub
</Script>
<%
' clean up
If rsCustomers.State = adStateOpen then
rsCustomers.Close
End If
If Cnxn.State = adStateOpen then
Cnxn.Close
End If
%>
</HTML>
<!-- EndDeleteVBS -->