Checking Date Availability
Jan 5, 2006
Hi all, hope you can help me:
Basically what im trying to do is a database which checks to see if something is available.
The database is a booking system for services. I need the database to check a "booking" table to see if there is a booking on a specific date. If there is, then you cannot make a booking. If there isn't then you can.
In my "booking table" there is a list of dates of bookings. Each booking lasts a week. So if someone wants to make a booking, it cant just check to see if the first day is available, it needs to check for 6 additional days. (i.e. a booking on 01 Jan 2006). If someone wants to make a booking, the database needs to account for a whole week, so the next available booking would be on 07 Jan 2006).
How can this be done in the simplist way?
Thanks all.
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Dec 16, 2014
I am making a Car Rental database on Access 2010, and I have a list of the dates available to rent a car in a table. I want to be able to check what dates are available and select a date for hire in a form.
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Jun 9, 2015
I want to check if a date falls between the first date of a year and the last date of a year.
The goal is to go through a table in the database that contains dates in a column. There are for example several dates in the year 2014 and there are dates in the year 2015.
What i want to do is get a list in a report that shows me for every year a line in the list with other data that i will calculate. So a line for 2014 and a line for 2015.
How can i do that?
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Sep 5, 2013
I have a report that shows a Start Date and an End Date. I also have a control that shows a date which I'm wanting to check. I tried the conditional formatting to create something that says When this date is greater than start date and less than end date I want the cell to be Red.
>[Start Date] And <[End Date]
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Feb 22, 2007
Hi Everyone,
hope someone out there can figure this one out.
I am developing an access database and forms based on a hotel booking system.
There is a tblRoomState table, which holds the roomID, the date and the state of the room, (so for a 3 night stay, this table holds three entries).
I have a query which returns any roomID's from the tblRoomState table which have a state value of 1 at a specified date.
I want to run another query which returns roomID's from the tblRoom table which are not part of the recordset of the first query.
Since there is no records held in the database for rooms which are not booked, the only way to access "availability" is to use a recordset of rooms which are booked and test against that.
Thanks,
John
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Sep 3, 2004
I need to write a report with the following groupings
Customer_GroupHeader
State_Groupheader
Client_Groupheader
Detail Section
Client_Groupfooter
State_Groupfooter
Customer_Groupfooter
What I have noticed, I maybe wrong, the record is a available for the "group_header" section closest to the detai section, in my case, "Client_GroupHeader". However, I need information in the record to format goup header information in the "Customer_Groupheader" and "State_Groupheader. Can anyone help me with this.
thank you
newbie and learning
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Feb 6, 2007
Hi,
I have been reading throguh various articles and learning a lot from you guys, so thank you very much. This place is a fantastic source of information, by far the best of anything i have found online.
I have a question which i would be grateful if someone could advise upon.
Access 2003. I have 4 tables:
list_accommodation (holding host family address details who offer accommodation to students)
id (autonum)
name (text)
address (text)
etc.....
list_rooms (table of rooms offered by host families)
room_id (autonum)
host_id (number) - joined to list_accommodation.id
room_name (text)
capacity (number)
students (student contact details who want accommodation!)
id (autonumber)
name (text)
dateofbirth (date)
address (text_
etc.....
bookings_accommodation (to hold the accomm bookings)
booking_id (autonum)
room_id (num) - joined to list_rooms.room_id
student_id (num) - joined to students.id
start_date (date)
end_date (date)
This structure therefore enables me to query if rooms are booked between dates:
SELECT bookings_accommodation.room_id, bookings_accommodation.start_date, bookings_accommodation.end_date
FROM list_rooms INNER JOIN bookings_accommodation ON list_rooms.room_id = bookings_accommodation.room_id
WHERE (((bookings_accommodation.start_date) Between DateAdd("d",0,[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_start_date]) And DateAdd("d",-1,[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_end_date]))) OR ((([end_date]-1) Between DateAdd("d",0,[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_start_date]) And DateAdd("d","0",[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_end_date]))) OR (((bookings_accommodation.start_date)<DateAdd("d",0,[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_start_date])) AND (([end_date]-1)>DateAdd("d","-1",[Forms]![workflow]![workflow_sub_add_accom_booking]![cbo_end_date])));
and therefore, using the 'booked' query i can therefore find out rooms are available.
SELECT list_rooms.room_id, list_rooms.room_name, list_rooms.capacity, list_rooms.description, list_rooms.host_id
FROM list_rooms LEFT JOIN qry_rooms_reserved ON list_rooms.room_id = qry_rooms_reserved.room_id
WHERE (((qry_rooms_reserved.room_id) Is Null));
----
so, now i have found out that there is a necessity to enable students to share a room (the bookings for a room may not happen at the same time). This means that i have to determine the capacity of a room and therefore if
the capacity is not full, then show as available.
I was wondering what the best approach to this may be?
I have added 'capacity' to list_rooms, but i am unsure as to how to go from there....
Any thoughts and advice woudl be really appreciated.
Many thanks
Phil.
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Jul 14, 2013
I am trying to create a database that will record the availability of volunteers for different events.
So far, I have used access to create an availability table, that contains fields for event, date, name, shift 1, shift 2, shift 3.
I now want to create a form that will filter this table for a given event, then layout the form so that names appear down the left, date across the top, and then the shift 1 to 3 fields (which are yes/no fields) to appear in the body of the layout.
This is so the organising team can quickly enter this information (received by phone, email, fax) into the database. I have had a go with subforms within subforms but so far drawing blanks.
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Oct 6, 2014
I have a project database where I keep track of the work in progress on monthly bookkeeping for our clients. I have a form where I use a ComboBox to select the client and another ComboBox to select whether a sales tax report must be filed Monthly, Quarterly or Annually. I have 17 CheckBoxes one for every month, quarter and year-end. I want the selection in the sales tax reporting ComboBox to trigger which CheckBoxes are available to check.
That is, if "Monthly" is selected in the ComboBox, then only the 12 monthly CheckBoxes are available to check (the 4 quarterly and 1 year-end CheckBoxes will be disabled). If "Quarterly" is selected in the ComboBox then only the 4 quarterly CheckBoxes are available to check. Of course, "Annual" is the third option. The disabling of CheckBoxes must be on a record by record basis. "Monthly" could be selected for one client (one record) and "Quarterly" for another client (another record).
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Apr 12, 2005
It should be exceedingly simple, but I got mashed potatoes between the ears today.
I make a query looking up for Name+Firstname+Ref number which I display in a tabular form .
Now, I want to use check boxes to select the ones I wants to print. But the thing is, if I add a check box in the main part of the form, it'll be the same box for all records. Not what I want.
So, how to create (add) a column so I can check individual records in the form?.
Thanks
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Sep 4, 2006
Hi guys, a company in my city is giving out prizes, and for each buy you get a sheet with 25 numbers ( kind of bingo thing). Well I have like 300 sheets . So i did an Access where I enter the SheetID and the 25 numbers. Now I have to do another table where I can insert the number that will be draw and whenever one of the sheet is complete, it let me know that I win!!! and the SheetID.
Any ideas!!! please please
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May 13, 2005
Hi,
i want to set values (=numbers) in fields of a table by selecting check-boxes in a form (based on the same table).
as checkbox1 =1
checkbox2= 2
etc
If the box is checked the value should be entered, if unchecked the value should be removed.
Afterwards i want to show the sum of these values in another field in the same form.
I suppose this requires VBA. Could anybody help me plz ?
Thx
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Jan 17, 2006
I've had a search in the threaqds for an answer but cannot find anything specific, plus this one has stumped me.
What I need to do is check if a certain field has a value if another field has a specific value ??!!?
Ok so if Combo Box 1 is set to 1, then Combo box 2 must have a value selected.
If ComboBox 1 is set to 2, then Combo Box 3 must have a value.
for any other value for ComboBox 1 box 2 & 3 do not require a value.
If either of these statements are not correct then a message box should come up
Any help would be greatly appreciated
MattP
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May 31, 2006
I have a form where I enter student names, and it often happends that I enter the same student a couple times, Is there any way to let the user know that there is allready someone in the system with the same name, like a pop up message.:confused:
thx
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Aug 24, 2007
hello all,
I have no idea how to run error checking
I get this error
can't append all the records in the append query.
i want a custom error to come up instead of that.
PLEASE HELP.
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Dec 12, 2005
I'm running the following line:
dbs.Execute ("DROP TABLE [tbl_No Certs]")
the problem is that sometimes the table doesn't exist... Instead of trapping the error code, is there a way I can check to see if the table exists? If it doesn't I'll simply skip this step of my code and move on.
Thanks!
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Dec 13, 2005
I have tried the attached code from a previous post http://www.access-programmers.co.uk/forums/showthread.php?t=98727&highlight=table+exists but some of the code doesn't work on Microsoft Access Project.
Does anyone have any ideas how I would amend this code so that it works?
Regards
Carly
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Sep 27, 2005
Hi all,
I had a little problem with delete query. I would like to delete the records by checking two fields if both fields are empty. I mean if a records had both these fields are empty only. If one of the field has data , the record should stay there.. Is there any way I can do this?
Thanks in advance.
Thanks
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Jan 25, 2005
I would have thought this was easy, but I keep getting an error.
I have a form with a save button. When the save button is clicked, I want it to check if user has attached an OLE object to a bound object frame. If they have, I'd like a checkbox to be true.
Here's the code I tried:
If Attachment.LpOleObject = 0 Then
Attach.Value = False
Else
Attach.Value = True
End If
This seems so incredibly straight forward and it does work if there is an attachment. If there isn't I get the message that my database can't retrieve the value of this property.
Any help would be greatly appreciated.
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Apr 5, 2005
Hi, I'm trying to do up a database for a furniture company.
I used Northwinds as a guide and made a similar Orders form.
However, I need another functionality which Northwinds do not seem to have. I want to check whether the currect Order would cause the customer to exceed his credit limit.
WHAT I DID
For this, I made a query to find the amount any single customer owes to date and the amount that he can still borrow(creditlimit-amountowed+amountpaid). I then made a button which launchs this query.
PROBLEM
The problem is I want when i click this button, the query prompts me for CustomerID, which i have to key in again. Then, it launchs the datasheet showing me the credit he would have remaining if this order went through.
It would be better if I do not need to key in his ID again, since it is already on the form when i keyed in the Order.
Further, it would be much better if I could get the button to display APPROVED/REJECT(postive/negative balance) and also display the amount of the remaining credit.
Sorry for the long description. Thanks for reading and please let me know if I missed out any crucial details.
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May 10, 2005
Hi,
I have a form in a database for our products (doors). I have a button that duplicates one of these records (all new products are based on standard template records).
When this record is created a new product number is produced by the system which was the number of the original (template) record plus the customer enquiry number.
I want to be able to warn the user if they are trying to save this newly created record with a product number that already exists so that they can alter the number to be unique. It will also warn them if they re-number an existing record to another already existing product number. Since the field is defined as unique, at present the system says absolutely nothing and just doesn't save the newly created record which seems is a touch annoying!
I have tried several things with dlookup, dcount arguments but can't seem to get anything to work.
Hopefully someone here can point me in the right direction?
Thanks in advance
John
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May 15, 2005
I have a table that stores jobs. The primary key field is JOBID which will correspond to company invoice #'s. Because the Invoice #'s are generated by a different system, I don't not have this as an autonumber field, I want to control it programatically when the user enters a value into the JobID textbox.
At first, I was using DCOUNT on the BeforeUpdate event of the form to check if there was already a matching JobID in the table, and if so, cancelling the update.
intInvoiceCheck = DCount("[JobID]", "jobs", "[JobID]=" & Me.JobID)
If intInvoiceCheck > 0 Then
Response = MsgBox("You have entered an Invoice # that is already used." & _
Chr(10) & Chr(13) & Chr(10) & Chr(13) & _
"If this is a secondary invoice considering adding 'a' or 's' to make it unique." & _
Chr(10) & Chr(13) & _
"For example, " & Me.JobID & "a, " & Me.JobID & "s...", vbOKOnly, "Duplicate Invoice")
Me.JobID.SetFocus
Cancel = True
Exit Sub
End If
However, if the user is changing say a jobsite address, they can't, because it checks and sees that intInvoiceCheck = 1 and won't continue.
I tried moving my routine to the BeforeUpate event of the JobID textbox like this (this is not the final code, only what I testing with)
'Check that the entered Invoice Number value is unique
Dim intInvoiceCheck As Integer
Dim Response
intInvoiceCheck = DCount("[JobID]", "jobs", "[JobID]=" & Me.JobID.Value)
If intInvoiceCheck > 0 Then
MsgBox ("Dupe")
Cancel = True
Me.JobID.Undo
End If
However, I getthis long error message saying I have changed the validation rule of the field without first checking to see if it's valid....
I can change the to Me.Undo, which works fine, but I don't want to undo the whole entry, only the JobID and set focus to it, and make the user enter a new one.
Can anyone help me out with this?
Thanks,
Hammy
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Jan 31, 2006
I have a form in which new equipment is added. I want to be able to check when the ID number is added (first field on the form) that there is not a duplicate ID number. If I wait till the end of the form and save, then Access tells me that there is a duplicate present but by then I have spent time putting in all the rest of the data.
If have added this code in the before update section for the relevent field, but it doesn't seem to work. Can someone please help clarify or suggest an easier way
Dim IntIDCheck as integer
Dim Response
IntIDCheck = DCount("[EquipmentID]","Equipment Inventory","[EquipmentID] =" & Me.EquipmentID)
if IntIDCheck > 0 then
Response = MsgBox ("Duplicate Present")
Me.EquipmentID.SetFocus
Cancel = True
Exit Sub
End if
Thanks
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Dec 28, 2006
Hello,
I'm new to using VBA for MS Access. May I enlist your help, Please.
I'm working on a human resources database for a group of employees. I'm trying to automate their login process after they have opened the database so that each employee's privacy is respected. Using an initial form, employees are separated into "New User" or "Returning User". My problem concerns setting up the "New User" in the database.
The New User is directed to form "frm_NU". The form has several unbound fields which are later carried to the table "tbl_Employees". Two of the fields on the form are used to create the EmployeeID. Those are Initials [INI] and Phone Extension [EXT]. The EmployeeID will be used in a filter so that only that employee's information is made available to the user (simulated Privacy).
Because the employees are unfamiliar with MS Access and its cryptic error messages, I need to create a message box which will give a plain English warning when a user attempts to use an existing ID to create a new record. [EmployeeID] is a field in the table. it is set as a key and does not allow duplicates.
When a new user enters his/her initials and phone extension I want the new ID to be compared to the table and if found, a message should appear. This is a preemptive strike to prevent the user from getting to the more cryptic MS Access error message.
I've tried using Dlookup and Dcount to try to pass some meaningful data to the If statement variable VarX to trigger the message box; assuming that Varx should be something other than Null or Empty
Dim EmpID As Variant
Dim VarX As Variant
EmpID = [INI] & [EXT]
VarX = DLookup([EmployeeID], "qry_Employees", [EmployeeID] = [EmpID])
If VarX <Is Not Empty> Then
X = MsgBox("Another record already exists by that name", vbOKOnly)
Else
Y = MsgBox("Passed", vbOKOnly)
End If
I keep getting an error at the DLookup formula or DCount formula saying: Run-time error; 2001 You canceled the previous operation. It also appears that the DLookup never looks up anything nor does DCount count anything even though I'm purposely entering duplicate information which exists in "qry_Employees". I was expecting VarX to be either the duplicate ID or a record number or record count or something.
Any ideas or constructive suggestions?
Thanks,
Goh
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Jan 5, 2006
I currently setup a form for a survey which works fine and all the information that is gathered is stored in an access 2000 database.
The thing i want to do is to only let the person fill out the form using only 1 email address. So if they try to come back and fill out the form again using the same email address, i want there to be a check on the database to see if the email is there. If it is the form wont submit and it will let the person know. If it's not in the database things will work as planned.
this is what i have so far, but when i submit the form it continues on, but it doesnt check and doesnt email or add to the database like it used too...
Code:<%Dim DSNtemp, Conn, SQLDSNtemp = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=DATABASE LOCATION"Set Conn = server.createobject("adodb.connection")Conn.Open DSNtempemail = Request.Form("email")SQL = "Select * From users Where email = '" & email & "'"Set RS = Conn.Execute(SQL)'HERE WE CHECK TO MAKE SURE THE USERS EMAIL EXISTS, IF IT DOES, WE STOP HEREIf NOT RS.EOF Thenx = "Sorry The Email Address You Entered Already Exist!"Set RS = NothingConn.CloseSet Conn = NOTHINGElse'CONTIUES ON WITH DATBASE INSERTION AND EMAIL TO USER.End If%>
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Oct 16, 2006
Question concerning how to check a value against multiple columns in Access with ASP.
Need help converting this to proper ASP and Access syntax
Code:myId = "test"myName = "monkey"SELECT * FROM table1 WHERE (programId1='" & myId & "' OR programId2='" & myId & "') AND (name1='" & myName & "' or name2='" & myName & "')"
is this doable with asp and Access?
If this helps explain it better, the following is how I would call it with PHP & mysql:
Code:$myId = "test";$myName = "monkey";SELECT * FROM table1 WHERE (programId1 = $myId OR programId2 = $myId) AND (name1=$myName OR name2=$myName)
Any help would be appreciated
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