Null Record
I currently have a table which has empty values in it. I would like the asp page to right 'No Record' whenit comes across it being blank. If it isn't blank i'd like it to write what is in that field within the SQL Database Table.
I have entered the code below but nothing is being written on the page. Its as though its just ignopring the first part of the If statement and writing nothing as that is what it finds in the db. <% If IsNull(objRS("TrackDate1")) then Response.write("No Record") else Response.Write(TrackDate1) end if %>.
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I have made several Access-based CMSs but now I am using SQL Server. I can read the records but my first attempts at writing are resulting in new records (with new ID) but all the fields are null.
I am posting the data from a form to the same page and an if /then statement catches the flag in the URL and runs the update script below. All the field names are correct. Code:
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I have an interesting situation that needs to be addressed ASAP.
I am running a standard SQL Query in ASP to retrieve some rows/columns from a table that's on a SQL Server 2000 database. I put the results of that query into a RecordSet, and then use the GetRows function to push the results that are in the recordset into an array variable. In the query that I am running, 39 columns and 2 rows are returned.
The GetRows function appears to be working - the array variable is being created with the proper dimensions. However, the values of the different "cells" of the array are not showing up correctly. The first and the last column values for each row are correct, yet everything else in between is blank, empty, NULL, or whatever.
In other words: ArrayVariable(0,0) shows up correctly, ArrayVariable(38,0) shows up correctly, but everything in between is null.
I did a test on the RecordSet and discovered that it was the culprit - it wasn't being filled in properly. This is strange, though, because the select query that I run in the ASP code to create the recordset returns perfect results when I run it on the SQL Server 2K database.
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I'm getting this error message: Error Type:
Microsoft JET Database Engine (0x80004005)
You cannot add or change a record because a related record is required in table 'employees'. Code:
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I have an insert record form that posts fine to a db which automatically creates an ID how could I get the next page to do a preview using the ID just created by the DB to go to the right record?
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I have a .asp page which lists a date, then a bunch of record lines for data that falls within that date, then the next date and it's bunch of data record lines. e.g.
Ship Date: 04/06/04
Data xxxxxxxxxxxxxxxxxxxxx
Data xxxxxxxxxxxxxxxxxxxxx
Data xxxxxxxxxxxxxxxxxxxxx
Data xxxxxxxxxxxxxxxxxxxxx
Ship Date: 11/07/04
Data xxxxxxxxxxxxxxxxxxxxx
Data xxxxxxxxxxxxxxxxxxxxx
Data xxxxxxxxxxxxxxxxxxxxx
What I want is:
Ship Date: 04/06/04
1: Data xxxxxxxxxxxxxxxxxxxxx
2: Data xxxxxxxxxxxxxxxxxxxxx
3: Data xxxxxxxxxxxxxxxxxxxxx
4: Data xxxxxxxxxxxxxxxxxxxxx
Ship Date: 11/07/04
1: Data xxxxxxxxxxxxxxxxxxxxx
2: Data xxxxxxxxxxxxxxxxxxxxx
3: Data xxxxxxxxxxxxxxxxxxxxx
How can I get these numbers printed againsts the records ?
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I have created a table. How do I limit the result of that table to only show the entries that have the "address" filled in. In Access here is the sql coding to acheive the results.
SELECT Dropoffs.City, Dropoffs.StateInitials, Dropoffs.AcceptedItems, Dropoffs.MoreInfo, zipcodes.Address
FROM zipcodes, Dropoffs
WHERE (((zipcodes.Address) Is Not Null));
How do I set this up in my VBSCRIPT page?
Here is my working page so that you can see what I am trying to acheive. When the page comes up you can type 45255 for the zipcode.
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I try to select the not null value from the database in column comment.
select s.ques_no, s.task_no, s.goal_no, g.comment from step_tab s, gen_tab g where s.id = g.id and g.comment is not null
But it still return all the null value.
Can anyone please tell me why?
Besides that, why i can't increase the number that i selected from the database.
id_no = rs("id_no")
id_no = cint(id_no") + 1
Why the id_no never increase even i had "+1"?
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I might be doing this wrong but I am modifying the body tag depending on what a recordset tells me.
It works fine if the value exist, but if it is returned null then I can't get it to work ...
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I had set up the following 'trouble-shooting' code to determine how a certain value was being 'evaluated' for lack of a better term. The field "status" in this example has no value in it.
<%
status = RS("status")
If isnull(status) Then
response.write("status is null")
end if
if status = "" Then
response.write("status has no value")
end if
%>
The database field 'status' has no value in it. If I run the above trouble-shooting code, the first statement "status is null" will print out. If I remove the first if statement and use the second if statement 'if status = "" ...', the statement will NOT print indicating that the value <> "".
Questions: What is the difference between something not having a value and NULL?
Most importantly, what is the PROPER way to check for a field not having a value in it? In the past I have always checked for a 'no value' using double quotes.
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I'm using the following code to, firstly erase any old logins the user has. Then to check whether the page has been idle for longer than 30 minutes or not. If it has been idle for longer than 30 mins then the user will be required to input their password again. However it's not working! Code:
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Microsoft OLE DB Provider for SQL Server (0x80040E2F)
Cannot insert the value NULL into column 'ContactID', table 'ka0506a.ka0506a.contacts'; column does not allow nulls. INSERT fails.
/submitcontact.asp, line 15
What happened is i used to used MS Access and ContactID is an Autonmuber field, and now my connection is set to MS SQL so it's giving me this error, what's causing this error to happen and how can i change it ?
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how to check any value in asp that it is null or not.
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I have a condition that will run depending if a field in the database is NULL. It will not run at all, and I tried various way to write it but none works so far
'not working
If assignee = DBNull Then
'not working
If assignee = null Then
'not working
If assignee = "" Then
If I write assignee to the page then the value of assignee will write if it has a value and nothing if it is null.
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I have a data entry form. If the user submits the form without entering any data, the record should be inserted with null entries for the respective fields.
But when i execute the INSERT SQL query with these null values, it gives me an error.
This is vat I am doing:
<%
.....
address = request.form("address")
if request.form("Age")= "" then
ageValue=""
.....
.....
%>
I use these values in SQL query
This is the SQL statement when the above is executed
" INSERT INTO tblStatistics (Age,address) VALUES (, aaa)"
Because of no value for age, the query is not gettin executed.
I dont want a 0, I want a nul entry (<null>).
Could someone throw some light on how to set the age field to null?
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Can someone help with an error? It's a StoreFront store. right after the credit card screen is gives me the error. I get the following:
Microsoft VBScript runtime error '800a005e'
Invalid use of Null: 'replace' /ssl/SFLib/incGeneral.asp, line 85
--------------------------------------------
84 Function makeInputSafe(str)
85 makeInputSafe=replace(str, "'", "''")
86 End Function
-------------------------------------------
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i had select the data from the database. The null value are returned.
How can i convert the null value to integer so that i can add some value for it??
Actually i try to use both of this statement but there's nothing come out...when i try to selecte the data in the database, the null value are returned
if rs("max_id") = "NULL" then
id_no = 1
response.write "id_no = " &id_no& "<br>"
end if
and
if rs("max_id") = "" then
id_no = 1
response.write "id_no = " &id_no& "<br>"
end if
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I have 2 questions about SQL server. First, what should i do about allowing NULL values when designing the database? What difference does it make? And if I disallow NULL values, should i enter default values?
Second, when adding new records to database with recordset.addnew, what SELECT statment, cursor, and lock type should i use?
I've always used "SELECT * FROM Table" and adOpenStatic, and adLockOptimistic. This SELECT statement looks very inefficient to me, but I don't know what else to use.
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I am updating a table depending on the user input that could be left blank for the numeric as well as the string field. I am getting an error if I do the following:
Dim a = null
sql = "update country set number =" & a
If I do ... sql = "update country set number = null", it works fine.
How can I use the variable to change the value to null.
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I have set up a database, myDB, in MS Access. one of my Table, myTable, has columns Col1, Col2, ..., Col10. Depending on some scenarios, I insert some values in some (but not all) of the columns. Now I want to delete those records that their col3 is null or nothing is set.
I used col3= '' and col3=NULL in the below statement
objRS.Open "SELECT * FROM myTable WHERE col3 = '' ", myDB, , , adCmdText
but none of them works.How to delete a record based on Null value filtering?
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I am new to using the filter property. When I try publishDate = '' I
get a type mismatch error
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Code:
<img src="/images/thumbs/<% IF rsListProduct("AHFC_Product_ThumbURL") = null THEN %> no_image.gif <%ELSE%><%=rsListProduct("AHFC_Product_ThumbURL")%><%END IF%>" width=50 border=0>
Why does this not work? Field is for SURE null in DB if no image uploaded.
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Is there an easier way to check if any of the fields returned in a select statement have null values? After running this command:
set rs = conn.execute("select A,B,C,D,E,F,G,H,I,J from SomeTable
where...")
I could check each field this way:
If IsNull(rs("A") Then
Response.Write("The value of A is null")
Else
Response.Write("The value of A is " & rs("A"))
End If
If IsNull(rs("B") Then
Response.Write("The value of B is null")
Else
Response.Write("The value of B is " & rs("B"))
End If
If IsNull(rs("C") Then
Response.Write("The value of C is null")
Else
Response.Write("The value of C is " & rs("C"))
End If
etc.
But is there a simpler way? Also, my "solution" probably wouldn't work if more than one recordset was returned...
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I create a web site in a Windows 2003 server/IIS6, and I used asp pages to get ServerVariables. After I set FrontPage Extension 2002, some ServerVariables like LOGON_USER become null. Any body has an idea?
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How do I go about testing to see if a value is not equal to NULL? isNULL provides the opposite functionality, but all my attempts at the former return a FALSE value.
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I have an add page, sending data too an access database, and what I want to do is, if their is a Null value (for example a user forgets to write in a name) then users will be redirected to a page called "wrong.asp"
the following are the add pages, the info is put in through add.asp, and sent through add1.asp. Add.asp is pritty big because there are 3 dynamic drop down lists, (D1, D2, D3)
Code:
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I would like to update a field with the value of a "empty check box". The problem that my numeral field (kom1) in the db will be emty, instead of 0.
I need the value 0 becaus it's used by a SUM in an query.
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I'm writing an application, and now an error message always pops up showing that one of the variable 'is null or not an object'
I wish to know what is the possible cause of this error message. I've defined the variable at the beginning of the program. So it there anything to do with the variable fail to get value from the form. The variable is the 'select' name of a drop down list.
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How to do subj ?I tried:
date1=NULL
strSQL = "INSERT t (mydate) VALUES("&date1&")"
i tried with ' ' and without, tried "''", i tried allmost all variations &because i cant put NULL, i have error in my main strSQL.
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Is there anything wrong with this query. Sometime it works sometime it doesn't.
SELECT SUM(A) AS sum FROM Table WHERE XX <> ''
Most of the time when it don't, this will be the error:
"Invalid use of Null"
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At the moment i am checking that all the fields have been filled out, at the moment i am using the following...
if firstname = "" and surname = "" and address1 = "" and town = "" and
county = "" and country = "" and postcode = "" and phone = "" and email11 =
"" and email2 = "" and password1 = "" and password2 = "" then
is there a better more efficient way of doing this?
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I've tried inserting this code, but it doen't work. I guess it must be something to do with the byVal keyword used in the constructor for the function?
Code:
'Handle a Null date
If (strDate = "" ) Or (Len(strDate) < 1) Or (strDate = Null) Then
fncFmtDate = "N/A"
Exit Function
End If
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My web server is a Windows 2k Server and my database server a Windows 2003. I use windows authentication to login at SQL Server, but when I access from a client machine that uses Win 2k Professional I always receive this message: "[Microsoft][ODBC SQL Server Driver][SQL Server]Login failed for user '(null)'. Reason: Not associated with a trusted SQL Server connection.".
When I access from a client machine that uses Windows XP everything itīs ok. This problem only occurs at the web site. When I try to access the Query Analyzer or the Enterprise Manager I still have the connection.
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