Inserting NULL Values

How do I tell my SQL Server database to insert a NULL value for an empty string. Like if I set a value to null in ASP like this: x = null then it inserts as empty in to the database, how do I get it to insert a reall null value?

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RecordSet (and GetRows) Is Retrieving Null Values When They Aren't Null

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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Inserting NULL Value

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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Inserting Date As Null

i found a different way to insert the date or rather not insert the date at all if a certain condition is true. But anyway i have come accross the same problem when i try to update the date field with a blank value. Code:

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Inserting Null Valuye

I'm working on an element of my site in which users can choose an expiry date for features they create. However, i also want them to have the option to set the feature to be active indefenitely. Currently I am making them choose to add a date/time field to the record, or leave the value of the field as Null.

The problem I have here is that if they choose the keep the feature active indefenitely, I need to keep the date/time field a NULL. However, if they change thier minds and give it an expiry date, and then want to change it back, I have a problem as the field has been populated. If I try to enter a "" value into the date/time field, but when the user goes back to edit they get a 01/01/1900 date instead of N/A.

Trying to make it have a far future date also doesn't work, as when they go back to change they get the year as 01/01/3000 or some such. Basically, what I want to do is add a NULL value again to the date/time field. Can this be done?

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NULL Values In SQL

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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Checking For Null Values

i have a null value in one of my session variables.

So i tried using this:

if Session.Contents("Department") = "" then
response.write "DEPARTMENT IS NULL"
end if

it doesn't work though.

Session.Contents("Daepartment") = null doesn't work too.
how should i do the checking to check for null values?

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Empty/Null Values In SPs

My typical code to call an Stored Proc in ASP is as follows ...

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Null Values From Recordset

I'm reading records from a recordset and placing them in a table. One of these fields is a date value and I format it using the following:

Code:

<%=FormatDateTime(oRs.Fields.item("DateRecd"), vbShortDate)%>

If this field contains no data, how can I display it without getting an error?

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Inlcude Null Values In Result Set

I'm working with an Access DB, and two tables. This is going to be ported to MS SQL shortly. The tables are category and merchantcategory, and the link is on category.id and merchantcategory.category_id.

*** Category Table ***
id, category
1, apples
2, oranges
3, lemons

*** Merchantcategory Table ***
id, category_id, merchant_id
1, 1, 1
2, 3, 4
3, 3, 19

What I need to do is something like
SELECT category, count(merchant_id) AS merchants
FROM category, merchantcategory
WHERE category.id = merchantcategory.category_id
GROUP BY category
ORDER BY category

But, I need the merchants column to either return 0 or NULL for those categories that do not have an associated merchant. I would like to see something like:

1, 1
2, 0
3, 2

A. Is this possible?

B. If it is, what do I need to do to get the result? I would prefer not to have a bunch of record sets and loops.

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Problem With Len() Function & Null Values

i've come across a real head-hurter. I'm looping through a recordset and
response.writing it's rows out with no problem except 1 field. The field
type is varchar and contains words like meeting, holiday, etc.

Problem is, I'm trying to render a "n/a" when the field is null as in
LISTING 1 below. My code isn't catching the null values. How can I test for
null values? I could swear I've successfully used the Len() test like below
successfully on similiar null varchar fields, but perhaps not.

Any ideas?

LISTING 1:

If Len(objRS(7)) < 1 Then
xTeamName= "n/a" ' this is problem line
Else
xTeamName = objRS(7)
End If

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Why Paramater Values Are NULL When Page Is In EXCEL Format?

I have 3 asp pages. The first page (login.asp) takes the parameter values(userid, groupid, locationid and deptid) based on the login (validate using a table). On submit the page params.asp is executed. Here the user has to select the filtering.

Then the page results.asp is executed. When the result is in excel format only the parameter value p_attdate (p_attdate is the value on page params.asp) contains a value.

The value of p_gid(p_gid is a session variable) remain null. BUT when the output is in html format, the parameter value p_gid return the correct value. I want the output to be in excel format but the sql statement is returning the wrong result. Only p_attdate is returning the correct value. I think because p_attdate is a form variable.

Can anyone tell me why value of p_gid is always null when the output is in excel format???

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Inserting Values

I m inserting value into sql table from excel. the problem lies that the fiield i.e description contains single qoutes as well as double qoutes. so it is creating probs while inserting value.

set rs2=db.Execute ("insert into entry(description)values('"& ExcelRS("Description")&"');")

I want to remove this quotes but this quotes should be there in sql table I don't know how to that.

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Inserting 200 Values In Loop

I am reading about 200 records from dbf file in ASP code and inserting into a table. I fetch the records in a recordset and in the recordset loop I have to insert it into the SQL table.
How should I insert the values?
1) Should I use query in ASP page
2) Or call stored procedure (passing each record parameter) for inserting, 200 times in the loop

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Inserting Values Into A Table

i have really only been exposed to getting data from aSQL database and displaying it.I want to include a page in my application (like a form in Access i guess)with various text boxes and drop-downs + tick boxes.Then i want to click a submit button that inserts the data (providing is valid) into a SQL Server table.

I have had a search in google but nothing seems to explain this in its most
basic terms (errorchecking and inserting).Could anyone give me an example of this or some background about this functionality.

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Problems With Inserting Form Values In Database

I made a 2 web surveys with identical code. Although the code is similar in both, values on the last page of one of the survey do not go in the database.

I have tried playing around (coz I really dont understand what the problem is), but nothing works. The same code works on the other survey with absolutely no problems.All thats there in my survey to insert values is

.Fields ("fieldname") = Request.value ("name of text box")
.update

Any suggestions? If someones willing to help me out quick, I will post my code.

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Pass Form Values To A Page After Inserting In Access

I'm using DWMX and Access DB.

i have setup a form on a normal http page which collects name address etc and is then passed to a https page to collect credit card details, on clicking submit on the https page the credit card details are inserted in db on secure server along with one field that was passed from the http page (the user id).

this all works ok, however i then need to pass the remaining orignal form values back to another http page that then inserts these values to another DB. ok you may be asking why.... the first forms allows the user to correct information already held on file before upgrading their listing, i then need them to pay for the upgrade before inserting the amended data in the orignal database... How..

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Form Values With A File - Passing Values

I want to call a recordset so you can edit the details and then obviously pass the parameters onwards into the db. However, the user guide just says this:

To process other fields in the form, use the Form collection of the upload object the same way you would use the Form collection of the Request object. For example, if your form had a text element named UserName, your processing code would include: Code:

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How To Convert Escape Values In To Actual Values

i need to convert the escape values which are by mistake updated in DB.
example:

this is a sample text string
is updated in DB as
this%20is%20a%20sample%20text%20string

here %20 is the space.

like wise there are many entries for :,'

is there way that i can update all this in a update statement?
or use asp to to update the records?

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How To Extract Indiviual Values From A Set Of Values

I have a variable SET which has the value Of 1, 2, 3, .., N.

SET=val1, val2, val3, val4, ..., valN

What is the commend or procedure to extract individual values, val1, val2, ...

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Is Not Null

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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Not Null Value

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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NULL Value?

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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NULL Vs. No Value

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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Null

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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Null Number

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 Value Is Null Or Not

how to check any value in asp that it is null or not.

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When The Field Is Null

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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Null Insertion

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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Null: 'replace'

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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Convert Null

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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Null Variable

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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Null Value Filtering

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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