Question

Why doesn't DW Delete Row in Database Table?

Asked by: pborregg

I have DW Generated code that is SUPPOSED to delete a record in a table. See Below.

I get an error that says:

Either EOF or BOF or record has been deleted when it clearly hasn't.

Has anyone seen this happen or have had problems deleting records from tables using DW generated code in VB Script ASP Classic pages?

<%@LANGUAGE="VBSCRIPT" CODEPAGE="65001"%>
<!--#include file="Connections/VBWebProject.asp" -->
<%
Dim MM_editAction
MM_editAction = CStr(Request.ServerVariables("SCRIPT_NAME"))
If (Request.QueryString <> "") Then
  'MM_editAction = MM_editAction & "?" & Server.HTMLEncode(Request.QueryString)
  MM_editAction = MM_editAction
End If
 
' boolean to abort record edit
Dim MM_abortEdit
MM_abortEdit = false
%>
<%
' *** Delete Record: construct a sql delete statement and execute it
 
If (CStr(Request("MM_delete")) = "form1" And CStr(Request("MM_recordId")) <> "") Then
 
  If (Not MM_abortEdit) Then
    ' execute the delete
    Set MM_editCmd = Server.CreateObject ("ADODB.Command")
    MM_editCmd.ActiveConnection = MM_VBWebProject_STRING
    MM_editCmd.CommandText = "DELETE FROM dbo.documents WHERE recordid = ?"
    MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param1", 5, 1, -1, Request.Form("MM_recordId")) ' adDouble
    MM_editCmd.Execute
    MM_editCmd.ActiveConnection.Close
  End If
 
End If
%>
<%
Dim docs__MM_recID
docs__MM_recID = "120"
If (Request.QueryString("recID") <> "") Then 
  docs__MM_recID = Request.QueryString("recID")
End If
%>
<%
Dim docs
Dim docs_cmd
Dim docs_numRows
 
Set docs_cmd = Server.CreateObject ("ADODB.Command")
docs_cmd.ActiveConnection = MM_VBWebProject_STRING
docs_cmd.CommandText = "select * from documents where recordid = ?" 
docs_cmd.Prepared = true
docs_cmd.Parameters.Append docs_cmd.CreateParameter("param1", 5, 1, -1, docs__MM_recID) ' adDouble
 
Set docs = docs_cmd.Execute
docs_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=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<form ACTION="<%=MM_editAction%>" METHOD="POST" id="form1" name="form1">
<input name="goBack" type="button" class="small" onclick="location.href='list-subproject-items.asp?pid=<%= Session("SV_PID") %>'" value="Return to Project Detail" />
<input type="hidden" name="MM_delete" value="form1" />
<input type="hidden" name="MM_recordId" value="<%= docs.Fields.Item("recordid").Value %>" />
</form>
</body>
</html>
<%
docs.Close()
Set docs = Nothing
%>

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Asked On: 2008-12-22 at 17:01:15ID24004690
Tags: Dreamweaver
,; delete row
Topic: Active Server Pages (ASP)
Participating Experts: 3
Points: 300
Comments: 9

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Answers

by: b0lsc0ttPosted on 2008-12-22 at 17:50:25ID: 23230987

pborregg,

Have you verified the value you are getting for MM_recordId from the form? What do you get if you actually enter an ID in the DELETE SQL line instead of use the parameter? Of course make sure it is an ID that exists but does that work?

Let me know if you have any questions or need more information.

b0lsc0tt

by: pborreggPosted on 2008-12-22 at 18:37:04ID: 23231110

I've broken the code down to the bare min.

<%
Dim MM_editAction
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
%>
<%
' *** Delete Record: construct a sql delete statement and execute it

' execute the delete
Set MM_editCmd = Server.CreateObject ("ADODB.Command")
MM_editCmd.ActiveConnection = MM_VBWebProject_STRING
MM_editCmd.CommandText = "DELETE FROM documents WHERE recordid = ?"
MM_editCmd.Parameters.Append MM_editCmd.CreateParameter("param1", 5, 1, -1, Request.QueryString("recID")) ' adDouble
MM_editCmd.Execute
MM_editCmd.ActiveConnection.Close
%>

Still, it refuses to delete from the table... this is not rocket science.

email me... Although I know EE frowns upon it... although let's solve this problem here.

** removed email address - b0lsc0tt ZAPE **

peter

by: pborreggPosted on 2008-12-23 at 06:16:37ID: 23233630

b0lsc0tt

I had it all wrong...

I put the delete logic in a page that only contains ONE RECORD, the one I want to delete.

Now the logic doesn't work...

Here's the code:

<%@LANGUAGE="JAVASCRIPT" CODEPAGE="65001"%>

<%
// *** Edit Operations: declare variables

// set the form action variable
var MM_editAction = Request.ServerVariables("SCRIPT_NAME");
if (Request.QueryString) {
MM_editAction += "?" + Server.HTMLEncode(Request.QueryString);
}

// boolean to abort record edit
var MM_abortEdit = false;
%>
<%
// *** Delete Record: construct a sql delete statement and execute it

if (String(Request("MM_delete")) == "form1" &&
String(Request("MM_recordId")) != "undefined") {

if (!MM_abortEdit) {
// execute the delete
var MM_editCmd = Server.CreateObject ("ADODB.Command");
MM_editCmd.ActiveConnection = MM_WebProject_STRING;
MM_editCmd.CommandText = "DELETE FROM dbo.documents WHERE recordid = ?"
MM_editCmd.Prepared = true;
MM_editCmd.Parameters.Append(MM_editCmd.CreateParameter("param1", 5, 1, -1, Request.Form("MM_recordId"))); // adDouble
MM_editCmd.Execute();
MM_editCmd.ActiveConnection.Close();
}
}
%>
<%
var docs__MM_RECID = "50";
if (String(Request.QueryString("id")) != "undefined" &&
String(Request.QueryString("id")) != "") {
docs__MM_RECID = String(Request.QueryString("id"));
}
%>
<%
var docs_cmd = Server.CreateObject ("ADODB.Command");
docs_cmd.ActiveConnection = MM_WebProject_STRING;
docs_cmd.CommandText = "SELECT * FROM documents WHERE id = ?";
docs_cmd.Prepared = true;
docs_cmd.Parameters.Append(docs_cmd.CreateParameter("param1", 5, 1, -1, docs__MM_RECID)); // adDouble

var docs = docs_cmd.Execute();
var docs_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>
<script language="javascript" type="text/javascript">

      function delRec()
      {

            document.form1.submit();
            location.href="DeleteDOCTest.asp?doc_name=<%=(docs.Fields.Item("doc_name").Value)%>";

      }

</script>
<script language="javascript" type="text/javascript" src="scripts/general.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Delete File From Server and Database</title>
<link href="css/General.css" rel="stylesheet" type="text/css" />
</head>
<body>
<form id="form1" name="form1" action="<%=MM_editAction%>" method="POST" enctype="multipart/form-data">
<table width="60%" border="0" align="center" cellpadding="3" cellspacing="2" class="silverinset">
<tr>
<td colspan="3" class="titlecentercell">Delete File From Server and Database</td>
</tr>
<tr>
<td width="9%" class="seltabcell">REC ID</td>
<td width="31%" class="seltabcell">DOC ID</td>
<td width="60%" class="seltabcell">Document Name</td>
</tr>
<tr>
<td class="small"><%=(docs.Fields.Item("recordid").Value)%></td>
<td class="small"><%=(docs.Fields.Item("id").Value)%></td>
<td class="small"><%=(docs.Fields.Item("doc_name").Value)%></td>
</tr>
<tr>
<td><input name="goBack" type="button" class="small" id="goBack" onclick="location.href='attachments.asp?PID=<%= Session("SV_PID") %>'" value="Previous Page" /></td>
<td align="right"><input name="delete" type="button" class="small" id="delete" onclick="confirmDeleteDoc('<%= Session("SV_PID") %>');" value="Confirm Delete" /></td>
<td><input name="send" type="button" disabled="disabled" class="small" id="send" value="DELETE RECORD" onclick="delRec()" /></td>
</tr>
</table>

<input type="hidden" name="MM_delete" value="form1" />
<input type="hidden" name="MM_recordId" value="<%= docs.Fields.Item("recordid").Value %>" />
</form>
</body>
</html>
<%
docs.Close();
%>

Notice, this is ALL DW Generated. When I run the code, it doesn't delete anything.

I'm going BUGGY trying to find a solution to this problem.

Peter

by: GuitarFingersPosted on 2008-12-23 at 08:45:47ID: 23234768

Peter,

I do a lot of DW work, BUT I don't profess to be an expert at the coding. That said, it looks_like to me as described above that DW is not finding the record to delete. You should_be_able to go to the 'bindings panel' and create a new query. Tell the record ID to be based on a URL Parameter in the 'simple setup'.

When you have this done, you can click the 'test button' and should be prompted for a value to put in that field. Put you record ID number in the prompt window and see if DW actually finds a record. If it does, something in your coding or method is passing the ID value to your delete page. If it does not test, that is a sign that the record does not exist.

Hope That Helps

GF -

by: GuitarFingersPosted on 2008-12-23 at 08:46:58ID: 23234778

Sorry, above I used the words 'is passing', I ment to say is not passing.

by: pborreggPosted on 2008-12-25 at 18:14:26ID: 23244205

GF

I did what you said, still the same result. DW is NOT deleting the record. It finds it fine in TEST mode but when runtime occurs, it still finds it and then POOF, nothing. I can give you access to the webproject if you'd like. I have a test user set up for it.

b0lsc0tt what do you think? How should we proceed if you want me to give GF access to my project so he can actually try it for himself and see?

I can't believe something this easy is becoming a hard thing to do.

PB

by: pborreggPosted on 2008-12-25 at 19:01:20ID: 23244251

GF and b0lsc0tt I bypassed DW completed and found this!

<%
'DELETES FROM DATABASE

set conn=Server.CreateObject("ADODB.Connection")
conn.Provider="Microsoft.Jet.OLEDB.4.0"
conn.Open "Provider=sqloledb; Data Source=205.178.152.124; Initial Catalog=sql; Source=E:\0\1\131\30\1620682\user\1746753\htdocs\db\sql.db; User Id=UUUUUUU; Password=PPPPPPP"

rid=Request.QueryString("recID")

if Request.QueryString("recID")="" then
set rs=Server.CreateObject("ADODB.Recordset")
rs.open "SELECT * FROM documents WHERE rid='" & recid & "'",conn
Set conn = Server.CreateObject("ADODB.Connection")
else
sql="DELETE FROM documents"
sql=sql & " WHERE recordid='" & rid & "'"
on error resume next
conn.Execute sql
if err<>0 then
response.write("Delete of Record not completed!")
else
response.write("Record " & rid & " was deleted!")
end if
end if
conn.close
%>

Works PERFECTLY!!!!!
Thanks for your help.

by: acperkinsPosted on 2008-12-26 at 16:12:10ID: 23246921

Are you really using a double for the recordid? If so, that is a very bad idea and probably why it is not deleting?

20120131-EE-VQP-002

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Question

Why doesn't DW Delete Row in Database Table?

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Dreamweaver

delete row

Active Server Pages (ASP)

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