Question

Delete Multiple Rows with Check Box

Asked by: jaysch

Hi,

I would like to be able to mark which rows in a table to delete via a check box. Then, by pushing a button, the page will be updated and the rows marked will be deleted from the database.

Currently, I am able to delete only one row at a time by clicking the "Delete" link and then clicking OK in a js confirm button. I would like to replace this single delete functionality with the ability to delete multiple rows at a time using check boxes.

This is the asp page the displays the records (in pages of 20 records) and a "Delete" link for each row:



<html>
<head>
<title>Neighborhoodopenhouse : : Administrator Control Panel</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body bgcolor="#FFFFFF" text="#000000" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<table width="780" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr>
    <td><!--#include file="header.asp"--></td>
  </tr>
  <tr>
    <td bgcolor=ffffff height="390" valign="top">
      <table width="780" border="0" cellspacing="0" cellpadding="0">
        <tr>
          <td width="145" height="390" bgcolor="eeeeee" valign="top">
            <!--#include file="side_admin.asp"-->
          </td>
          <td width="635" height="390" valign="top">  
            <table width="100%" border="0" cellspacing="2" cellpadding="2">
              <tr>
                <td height="14"><b>&nbsp;&nbsp;List of Agents to neighborhoodopenhouse.com</b></td>
              </tr>
              <tr>
                <td height="14"><b>&nbsp;&nbsp;Click on the email to view the
                  complete details of the Agent</b></td>
              </tr>
              <tr>
                <td valign="top">
                  <%
                                          purl="manageagents.asp?c=1"
                                          set rs = Server.CreateObject("ADODB.RECORDSET")
                            Sql="Select userid,emailid,fname,lname,agency,regdate from member order by lname"
                                          rs.open Sql,Conn,3,3                                          
                            rs.pagesize= 20
                                          if not rs.eof then      
                                          Cnt=0                                    
                                          %>
                  <table width="100%" align="center">
                    <tr>
                      <td height="21"> <%=Pagination(rs,purl)%> </td>
                    </tr>
                  </table>
                  <table width="100%" border="0" cellspacing="1" cellpadding="1" align="center" bgcolor="#669966">
                    <tr>
                      <td bgcolor="#FFFFFF" valign="top">
                        <table width="100%" border="0" cellspacing="0" cellpadding="0">
                          <tr bgcolor="#99CC99">
                            <td height="19" width="33%">&nbsp;<b>Email</b></td>
                            <td height="19" width="25%">
                              <div align="left"><b>Name</b></div>
                            </td>
                            <td height="19" width="18%">
                              <div align="center"><b>Agency</b></div>
                            </td>
                            <td height="19" width="14%">
                              <div align="center"><b>Reg Date</b></div>
                            </td>
                            <td height="19" width="10%">&nbsp;</td>
                          </tr>
                          <%
                                          while not rs.eof and Cnt<rs.pagesize      
                                          Cnt=Cnt+1
                                      %>
                          <tr>
                            <td height="28" width="33%">&nbsp;<a href="agentdetailsAndListings.asp?agent=<%=rs(0)%>"><%=rs(1)%></a></td>
                            <td height="28" width="25%" align="left"> <%=rs(3)%>,&nbsp;<%=rs(2)%></td>
                            <td height="28" width="18%" align=center><%=rs(4)%>
                            </td>
                            <td height="28" width="14%" align=center><%=rs(5)%></td>
                            <td height="28" width="10%" align=center>
                              <div align="center"> <a href="#" onClick="Go_to_Url('<%=rs(0)%>')">Delete</a></div>
                            </td>
                          </tr>
                          <tr>
                            <td height="1" colspan="5" bgcolor=green></td>
                          </tr>
                          <%
                                                      rs.movenext
                                          wend
                                          end if
                                                      
                                                      %>
                        </table>
                      </td>
                    </tr>
                  </table>
                  <table width="100%" align="center">
                    <tr>
                      <td height="21"> <%=Pagination(rs,purl)%>
                        <%
                                                            rs.close
                                                            Set rs=nothing
                                                            
                                                            %>
                      </td>
                    </tr>
                  </table>
                </td>
              </tr>
              <tr>
                <td valign="top"> </td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
    </td>
  </tr>
  <tr>
    <td><!--#include file="footer.asp"--></td>
  </tr>
</table>
<Script language="JavaScript">
  function Go_to_Url(val)
  {
   var userid=val;
   
    var flag=confirm("Are you sure to delete this listing");
      if (flag==true)
      {
         theurl="deleteagents.asp?userid="+ userid;
       location.replace (theurl);
      }
      else
      {
      
      }  
  }

</Script>
 </body>
</html>






The page above (manageagents.asp) posts to the page that contains the delete query (deleteagents.asp):


<%
 userid=request("userid")

 Sql="Delete from member where userid="& userid
 Conn.Execute Sql

 
 response.Redirect "manageagents.asp"            

%>      





Please provide the required code changes to accomplish the task of replace the "Delete" link with a check box that will allow for multiple deletes.

Thank you!









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Asked On
2006-10-06 at 06:47:57ID22015433
Tags

neighborhoodopenhouse

,

delete

Topic

Active Server Pages (ASP)

Participating Experts
2
Points
500
Comments
8

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Answers

 

by: peterxlanePosted on 2006-10-06 at 07:17:18ID: 17676530

This is the basic premise:

<form method="post">
<table border="1" cellpadding="2" cellspacing="0">
      <tr>
            <td>One</td>
            <td><input type="checkbox" value="1" name="userid" /></td>
      </tr>
      <tr>
            <td>Two</td>
            <td><input type="checkbox" value="2" name="userid" /></td>
      </tr>
      <tr>
            <td>Three</td>
            <td><input type="checkbox" value="3" name="userid" /></td>
      </tr>            
</table>

<input type="submit" value="Submit" name="cmdSubmit" />

</form>


<%
If Request.Form <> "" Then
      strDeleteIDs = Request.Form("userid")
      arrOfIDs = Split(strDeleteIDs, ",")
      
      For Each X in arrOfIDs
            strDeleteSQL = "DELETE FROM Member WHERE userid = " & X
            'Conn.Execute(strDeleteSQL)
            Response.Write strDeleteSQL & "<br />"
      Next
      
End If
%>

 

by: amit_gPosted on 2006-10-06 at 12:10:42ID: 17679246

Add

<form method="post" action="deleteagents.asp">

before the

<table width="780" border="0" cellspacing="0" cellpadding="0" align="center">

and add

</form>

after the

</table>

Change

<a href="#" onClick="Go_to_Url('<%=rs(0)%>')">Delete</a>

to

<input type="checkbox" value="<%=rs(0)%>">

and add a button somewhere before </form>

<input type="submit" value="Delete" onclick="return ConfirmDelete();">

and add a function

<Script language="JavaScript">
function ConfirmDelete()
{
    var flag=confirm("Are you sure to delete the selected listings?");
    return flag;
}
</Script>

then in deleteagents.asp change

Sql="Delete from member where userid="& userid

to

Sql="Delete from member where userid in (" & userid & ")"

 

by: jayschPosted on 2006-10-11 at 06:43:31ID: 17706774

amit_g

The check box and alert works ok but I'm receiving the following error on the 'deleteagents.asp' page:

Microsoft OLE DB Provider for ODBC Drivers error '80040e14'

[Microsoft][ODBC SQL Server Driver][SQL Server]Line 1: Incorrect syntax near ')'.

/siteadmin/deleteagents.asp, line 6


This is the code in 'deleteagents.asp' :


<!--#include virtual="\dbconnect\dbconnect.asp"-->
<%
 userid=request("userid")

Sql="Delete from member where userid in (" & userid & ")"
 Conn.Execute Sql

 response.Redirect "manageagents.asp"            

%>



Please advise, thanks.





 

by: peterxlanePosted on 2006-10-11 at 07:07:24ID: 17706956

Try this and see what it displays:

<%
 userid=request("userid")

Sql="Delete from member where userid in (" & userid & ")"
Response.Write Sql
'Conn.Execute Sql
'response.Redirect "manageagents.asp"          

%>

 

by: jayschPosted on 2006-10-11 at 07:28:57ID: 17707159

peterxlane,


This is what's returned:


Delete from member where userid in ()

 

by: jayschPosted on 2006-10-11 at 17:30:54ID: 17711917





This is the updated code for ManageAgents.asp:


<%
if isEmpty(Session("admin_id")) then
  Response.Redirect "index.asp"
end if
 Set rs=Server.CreateObject("ADODB.RECORDSET")

 %>
<html>
<head>
<title> Administrator Control Panel</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
</head>

<body bgcolor="#FFFFFF" text="#000000" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">
<form method="post" action="deleteagents.asp">

<table width="780" border="0" cellspacing="0" cellpadding="0" align="center">
  <tr>
    <td><!--#include file="header.asp"--></td>
  </tr>
  <tr>
    <td bgcolor=ffffff height="390" valign="top">
      <table width="780" border="0" cellspacing="0" cellpadding="0">
        <tr>
          <td width="145" height="390" bgcolor="eeeeee" valign="top">
            <!--#include file="side_admin.asp"-->
          </td>
          <td width="635" height="390" valign="top">  
            <table width="100%" border="0" cellspacing="2" cellpadding="2">
              <tr>
                <td height="14"><b>&nbsp;&nbsp;List of Agents to neighborhoodopenhouse.com</b></td>
              </tr>
              <tr>
                <td height="14"><b>&nbsp;&nbsp;Click on the email to view the
                  complete details of the Agent</b></td>
              </tr>
              <tr>
                <td valign="top">
                  <%
                                          purl="manageagents.asp?c=1"
                                          set rs = Server.CreateObject("ADODB.RECORDSET")
                            Sql="Select userid,emailid,fname,lname,agency,regdate from member order by lname"
                                          rs.open Sql,Conn,3,3                                          
                            rs.pagesize= 20
                                          if not rs.eof then      
                                          Cnt=0                                    
                                          %>
                  <table width="100%" align="center">
                    <tr>
                      <td height="21"> <%=Pagination(rs,purl)%> </td>
                    </tr>
                  </table>
                  <table width="100%" border="0" cellspacing="1" cellpadding="1" align="center" bgcolor="#669966">
                    <tr>
                      <td bgcolor="#FFFFFF" valign="top">
                        <table width="100%" border="0" cellspacing="0" cellpadding="0">
                          <tr bgcolor="#99CC99">
                            <td height="19" width="33%">&nbsp;<b>Email</b></td>
                            <td height="19" width="25%">
                              <div align="left"><b>Name</b></div>
                            </td>
                            <td height="19" width="18%">
                              <div align="center"><b>Agency</b></div>
                            </td>
                            <td height="19" width="14%">
                              <div align="center"><b>Reg Date</b></div>
                            </td>
                            <td height="19" width="10%">&nbsp;</td>
                          </tr>
                          <%
                                          while not rs.eof and Cnt<rs.pagesize      
                                          Cnt=Cnt+1
                                      %>
                          <tr>
                            <td height="28" width="33%">&nbsp;<a href="agentdetailsAndListings.asp?agent=<%=rs(0)%>"><%=rs(1)%></a></td>
                            <td height="28" width="25%" align="left"> <%=rs(3)%>,&nbsp;<%=rs(2)%></td>
                            <td height="28" width="18%" align=center><%=rs(4)%>
                            </td>
                            <td height="28" width="14%" align=center><%=rs(5)%></td>
                            <td height="28" width="10%" align=center>
                              <div align="center"> <input type="checkbox" value="<%=rs(0)%>"></div>
                            </td>
                          </tr>
                          <tr>
                            <td height="1" colspan="5" bgcolor=green></td>
                          </tr>
                          <%
                                                      rs.movenext
                                          wend
                                          end if
                                                      
                                                      %>
                        </table>
                      </td>
                    </tr>
                  </table>
                  <table width="100%" align="center">
                    <tr>
                      <td height="21"> <%=Pagination(rs,purl)%>
                        <%
                                                            rs.close
                                                            Set rs=nothing
                                                            
                                                            %>
                      </td>
                    </tr>
                  </table>
                </td>
              </tr>
              <tr>
                <td valign="top"><input type="submit" value="Delete" onClick="return ConfirmDelete();">
 </td>
              </tr>
            </table>
          </td>
        </tr>
      </table>
    </td>
  </tr>
  <tr>
    <td><!--#include file="footer.asp"--></td>
  </tr>
</table>
</form>


<Script language="JavaScript">
function ConfirmDelete()
{
    var flag=confirm("Are you sure to delete the selected listings?");
    return flag;
}
</Script>

 </body>
</html>



This is the upadted code for deleteagents.asp


<%
 userid=request("userid")

 Sql="Delete from member where userid in (" & userid & ")"
 Conn.Execute Sql

 
 response.Redirect "manageagents.asp"            

%>



This is the error I'm receiving:


Microsoft OLE DB Provider for ODBC Drivers error '80040e14'

[Microsoft][ODBC SQL Server Driver][SQL Server]Line 1: Incorrect syntax near ')'.

/siteadmin/deleteagents.asp, line 6


Any other thougths or ideas would be greatly appreciated!
















 

by: amit_gPosted on 2006-10-11 at 19:15:18ID: 17712414

Change

<input type="checkbox" value="<%=rs(0)%>">

to

<input type="checkbox" name="userid" value="<%=rs(0)%>">

 

by: jayschPosted on 2006-10-11 at 20:06:58ID: 17712579

amit_g,

That did it - works great!

Thanks for your help!

20120131-EE-VQP-002

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