Ciao a tutti...
Come faccio a rendere obbligatori tutti i campi presenti in questo form? :

codice:
<%
' *** Edit Operations: declare variables

Dim MM_editAction
Dim MM_abortEdit
Dim MM_editQuery
Dim MM_editCmd

Dim MM_editConnection
Dim MM_editTable
Dim MM_editRedirectUrl
Dim MM_editColumn
Dim MM_recordId

Dim MM_fieldsStr
Dim MM_columnsStr
Dim MM_fields
Dim MM_columns
Dim MM_typeArray
Dim MM_formVal
Dim MM_delim
Dim MM_altVal
Dim MM_emptyVal
Dim MM_i

MM_editAction = CStr(Request.ServerVariables("SCRIPT_NAME"))
If (Request.QueryString <> "") Then
  MM_editAction = MM_editAction & "?" & Server.HTMLEncode(Request.QueryString)
End If

' boolean to abort record edit
MM_abortEdit = false

' query string to execute
MM_editQuery = ""
%>
<%
' *** Insert Record: set variables

If (CStr(Request("MM_insert")) = "form1") Then

  MM_editConnection = MM_ConnessioneImpericaweb_STRING
  MM_editTable = "Prenotati"
  MM_editRedirectUrl = "evento_ok.asp"
  MM_fieldsStr  = "Nome|value|Cognome|value|Email|value|Via|value|Numero|value|Comune|value|Cap|value|Provincia|value|Telefono|value|Cellulare|value|reg_data|value|reg_ora|value"
  MM_columnsStr = "Nome|',none,''|Cognome|',none,''|Email|',none,''|Via|',none,''|Numero|',none,''|Comune|',none,''|Cap|',none,''|Provincia|',none,''|Telefono|',none,''|Cellulare|',none,''|Reg_data|',none,NULL|Reg_ora|',none,NULL"

  ' create the MM_fields and MM_columns arrays
  MM_fields = Split(MM_fieldsStr, "|")
  MM_columns = Split(MM_columnsStr, "|")
  
  ' set the form values
  For MM_i = LBound(MM_fields) To UBound(MM_fields) Step 2
    MM_fields(MM_i+1) = CStr(Request.Form(MM_fields(MM_i)))
  Next

  ' append the query string to the redirect URL
  If (MM_editRedirectUrl <> "" And Request.QueryString <> "") Then
    If (InStr(1, MM_editRedirectUrl, "?", vbTextCompare) = 0 And Request.QueryString <> "") Then
      MM_editRedirectUrl = MM_editRedirectUrl & "?" & Request.QueryString
    Else
      MM_editRedirectUrl = MM_editRedirectUrl & "&" & Request.QueryString
    End If
  End If

End If
%>
<%
' *** Insert Record: construct a sql insert statement and execute it

Dim MM_tableValues
Dim MM_dbValues

If (CStr(Request("MM_insert")) <> "") Then

  ' create the sql insert statement
  MM_tableValues = ""
  MM_dbValues = ""
  For MM_i = LBound(MM_fields) To UBound(MM_fields) Step 2
    MM_formVal = MM_fields(MM_i+1)
    MM_typeArray = Split(MM_columns(MM_i+1),",")
    MM_delim = MM_typeArray(0)
    If (MM_delim = "none") Then MM_delim = ""
    MM_altVal = MM_typeArray(1)
    If (MM_altVal = "none") Then MM_altVal = ""
    MM_emptyVal = MM_typeArray(2)
    If (MM_emptyVal = "none") Then MM_emptyVal = ""
    If (MM_formVal = "") Then
      MM_formVal = MM_emptyVal
    Else
      If (MM_altVal <> "") Then
        MM_formVal = MM_altVal
      ElseIf (MM_delim = "'") Then  ' escape quotes
        MM_formVal = "'" & Replace(MM_formVal,"'","''") & "'"
      Else
        MM_formVal = MM_delim + MM_formVal + MM_delim
      End If
    End If
    If (MM_i <> LBound(MM_fields)) Then
      MM_tableValues = MM_tableValues & ","
      MM_dbValues = MM_dbValues & ","
    End If
    MM_tableValues = MM_tableValues & MM_columns(MM_i)
    MM_dbValues = MM_dbValues & MM_formVal
  Next
  MM_editQuery = "insert into " & MM_editTable & " (" & MM_tableValues & ") values (" & MM_dbValues & ")"

  If (Not MM_abortEdit) Then
    ' execute the insert
    Set MM_editCmd = Server.CreateObject("ADODB.Command")
    MM_editCmd.ActiveConnection = MM_editConnection
    MM_editCmd.CommandText = MM_editQuery
    MM_editCmd.Execute
    MM_editCmd.ActiveConnection.Close

    If (MM_editRedirectUrl <> "") Then
      Response.Redirect(MM_editRedirectUrl)
    End If
  End If

End If
%>
<%
Dim Prenotazione
Dim Prenotazione_numRows

Set Prenotazione = Server.CreateObject("ADODB.Recordset")
Prenotazione.ActiveConnection = MM_ConnessioneImpericaweb_STRING
Prenotazione.Source = "SELECT * FROM Prenotati"
Prenotazione.CursorType = 0
Prenotazione.CursorLocation = 2
Prenotazione.LockType = 1
Prenotazione.Open()

Prenotazione_numRows = 0
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento senza titolo</title>
<link href="../../style.css" rel="stylesheet" type="text/css" />
</head>

<body>
<form id="form1" name="form1" method="POST" action="<%=MM_editAction%>">
  <div align="center">
    <table width="7%" border="0" cellspacing="0" cellpadding="0">
      <tr>
        <td>[img]../../scacchi_su.jpg[/img]</td>
      </tr>
      <tr>
        <td><table width="398" border="1" cellspacing="0" cellpadding="0">
          <tr>
            <td width="55">Nome</td>
            <td width="126"><input name="Nome" type="text" class="popup_smsgratis_textarea" /></td>
            <td width="71">Cognome</td>
            <td width="136"><input name="Cognome" type="text" class="popup_smsgratis_textarea" /></td>
          </tr>
          <tr>
            <td>Via</td>
            <td><input name="Via" type="text" class="popup_smsgratis_textarea" /></td>
            <td>Numero</td>
            <td><input name="Numero" type="text" class="popup_smsgratis_textarea" /></td>
          </tr>
          <tr>
            <td>Comune</td>
            <td><input name="Email" type="text" class="popup_smsgratis_textarea" /></td>
            <td>Cap</td>
            <td><input name="Cap" type="text" class="popup_smsgratis_textarea" /></td>
          </tr>
          <tr>
            <td>Provincia</td>
            <td><input name="Provincia" type="text" class="popup_smsgratis_textarea" /></td>
            <td></td>
            <td></td>
          </tr>
          <tr>
            <td></td>
            <td></td>
            <td></td>
            <td></td>
          </tr>
          <tr>
            <td>Telefono</td>
            <td><input name="Telefono" type="text" class="popup_smsgratis_textarea" /></td>
            <td>Cellulare</td>
            <td><input name="Cellulare" type="text" class="popup_smsgratis_textarea" /></td>
          </tr>
          <tr>
            <td>E-mail</td>
            <td>


              <input name="Comune" type="text" class="popup_smsgratis_textarea" />
            </p></td>
            <td></td>
            <td></td>
          </tr>

          <tr>
            <td></td>
            <td></td>
            <td></td>
            <td></td>
          </tr>
          <tr>
            <td></td>
            <td><input name="reg_data" type="hidden" id="reg_data" value="<%RESPONSE.WRITE(Date())%>" />
              <input name="reg_ora" type="hidden" id="reg_ora" value="<%RESPONSE.WRITE(Time())%>" /></td>
            <td></td>
            <td><table width="100%" border="0" cellspacing="0" cellpadding="0">
              <tr>
                <td><input name="Submit" type="submit" class="pulsante_REGISTRATI" value="Invia" /></td>
                <td><input name="Submit2" type="submit" class="pulsante_REGISTRATI" value="Cancella" /></td>
              </tr>
            </table></td>
          </tr>
        </table></td>
      </tr>
      <tr>
        <td>[img]../../scacchi_giu.jpg[/img]</td>
      </tr>
    </table>
  </div>

  <input type="hidden" name="MM_insert" value="form1">
</form>
</body>
</html>
<%
Prenotazione.Close()
Set Prenotazione = Nothing
%>
Grazie tante...