The fields include both date and time (date and time are in the same field) i.e. “6/26/2006 4:23pm”. The next field I need to calculate the duration, basically one field minus another…anything I’ve tried will only calculate the time difference will not factor in the days. For example, if it has been 52 hours (2 days, 4 hours) it will only say 4 hours. A few of what I’ve already tried are below. And I’ve also tried an elapsed time expression.
Im not sure if this is best place to put this but...
I have a table where date and time is stored in one field. It is stored in the following format:
dd/mm/yyyy dd:hh:mm:ss
The way the table works is that the date & time gets associated to a status code in the system. So for example a case (lets say ID is 12345) in the system may have a status assigned of ENQ with a date of 01/01/2008 00:00:00:00 and then another record for the same case (12345) where the status is WIP with a date of 15/02/2008 00:00:00:00.
What I need to do is do is a time taken calculation between the 2 dates and times but I am not sure of the best way to do it, if at all.
I need to calculate (in a query) the Actual Time of a job. I have the start date, start time, end date & end time (all separate fields). This seems to works ok by subtracting the start from the end.
Then I need to calculate the Estimated Time (time it should have taken). This is done by taking the Quantiy divided by the Rate-Per-Hour. This seems to work out ok in the Query, e.g., 101000 / 15000 = 6.66667 hours. But when I display this result in a report as a "Short Time", I get 16:00 instead of 6:40. How can I get the correct display? The other problem is that I need to divide the Estimated Time by the Actual Time. This also gives me wierd results - I suppose because one is a decimal format time and the other is a "Short Time" format. How can I get the correct answer?
I have a query with 2 time fields, a start time, and an end time. I am subtracting the endtime from the starttime and I am getting funny numbers. Example: 12:12:04pm - 12:05:20pm and I am getting #Error. Where am I going wrong? Your help is greatly appreciated.:eek:
I work for a bank and have build a few little DB's for differant groups but my current project is a work flow tool for a department. I have it 90% completed and i still have to build in the reporting side. Part of the reporting is caclulating times and this is where i am having problem.
I have some coding built but i am getting inconsistant results, as an example if i am trying to calculate the total amount of time between [start Time], [End Time] then minus any [Stop Time].
I have this on a command button, i have this same code for a few other calculations and in some cases it seems to be working i have just changed my start and stop fields along with what stop time to take out in each case. I have attached some parts of my DB, one of the modules, my main table and the form where i am running the coding.
My boss wants me to program in visual basic, instead of using queries, a calculation between times, which values are gotten from a table. How do I perform a calculation between two fields from a table in code and what functions are there to calculate the amount of difference in minutes between times in visual basic? THANK YOU SO MUCH IN ADVANCE!
I have solved the problems getting values on the subform. I have not in getting values on the subform.For instance, on the one titled phone use the formula in the tutorial is:
=[sbfCustomerRoomUse].[Form]![txtTotalPhoneUse]
#Error results when the doc is put into a form mode.
Now when I input each value in the equation above separately.I still get no entry.
For " = sbfCustomerRoomUse" , I get #Error; and for "= txtTotalPhoneUse", I get #Name.
CustomerRoomUse and txtTotalPhoneuse are from the subform that was dropped into the customer form in a previous step. It shows that explicitly when designed sbfCustomerRoomUse on the main that CustomerRoomUse come from a subform. This does not seem to need to be done with txtTotalPhoneuse, and I am not sure why. Neither one gives me a desired calculation result.
I have an odd problem that has stumped me for several days. I'm working on a form that contains a chart. The chart is based on a query, which is based on another query, which is based on a table. In the top query, I need to put some calculated fields that operate on other fields. But when I try to multiply two fields together, I get Null. I'm pretty confident that the fields I'm operating on are numerical.
I have an application with a backend db on PC 1, and the same application on PC 2 linked to the backend db on PC 1 via the network.
The link works fine but the time formats are different.
On PC 1 the time format is shortime and displays as it should i.e. in 24 hour clock format
However on PC 2, opening the same database via the network, the time format is still shorttime but when you read the time within the code it comes out in AM/PM format. Also, when the defaul tiem should be #20:00:00# but this changes to #8:00:00 PM#
Weirdly though, when you just open the table, the times are in the correct shorttime format.
Guessing, it must be a setting within the main core of Access 2003 that is different between the 2 instances?
I'm hoping this is a no brainer...I am a complete newbie and self taught so apologies for not knowing the correct techie terms!!
I have a db with products...
Each product has a price (to customer) and cost (to me the seller)
What I want to work out is the margin i.e. price minus cost divided by proce multiplied by 100 to give a margin in percentage terms.
The data is held in a table with a record per product with the price and cost..
I want to build in another fieled per record that calculates the margin...
Thanks very much
Jessica
(I would also like to be able to work out decreasing margins if I was to extend say a 10% or 20% discount to the customer but I guess I shoudl walk before I run!!)
Hi, I have a database and on one table I have dates stored for certain jobs. I was wondering if anyone knew how to automatically calculate an end date if the start date and duration is entered!
Ok I'm really new at using access so go easy on me. I am trying to write a database to keep 30 measurements of a part grouped by lot number and then calculate the standard deviation, mean and a few other calculations, however I am unsure about how to do the calculations in access.
I would like the database operator to be able to enter the data then print out a report per lot, with the entries and the calculated answers.
I'm just unsure where and how to do the calculations... any help or suggestions?
I'm trying to a create a report to list results for a running club based on series-to-date. To do this, I allocate points to the first 100 runners to cross the line in each race. The winner gets 100, second place 99, and so on with the 100th person getting 1.
In the database i have 1 table holding member details, then one table holding races. I also have a table linking the 2 called race_entry so i know what members have entered for which races. I have one other table called race_result that links the runner to a race and holds the position they finished in the race.
How could i use the data in the race results table to add up all the points they earned by looking at their finishing position in the races they run and then listing the points in order in a report.
I assumed it wouldnt be necessary to have a point field in the table as its deriveable.
This is more than likely simple for a lot of people out there but it has me stumped. I have a form that has a two combo boxes with dates in both ( so the user to pick from and to dates) now I am always going to be adding more dates as time progresses. I need the next form to add the info with the dates no mater what the user picks. For example I am going to (once a week) be adding new info to the table.The end user is going to pick 06/24 (to indicate the end of the week) in both forms or 06/24 in the from box and 07/01 in the to box. In all situations I need the next form to add the data together. Sorry for the long post but didn't know how to state it any simpler.
I am a beginner with Access and was wondering if someone would be so kind to give me some pointers
I have created a form where the user can select which dates they require a hotel for the evening. I was looking for some advice on how I can go about putting an area on the same form which calculates a sub price for the days they have selected. If I am not being clear then ask for more details.
I need to be able to use some functions available in excel in an access 2000 database. These include SUM and IF functions. If any one can help me figure out how to do this any help help wouold be greatly appreciated
Hi I would like to manipulate some date information. I have a start date field and an end date field and I would like to draw up a schedule for payment where the Acess takes the finished date and the start date to get total days appart then devides this by a value set by the operator. say If the operator wanted 6 paymes then my total days would be devided by 6 giving me the number of days to add on to the start date. Then with these dates a schedule is made up and the code I have tried looks something like this.
Dim valuation1 As Date Dim valuation2 As Date Dim valuation3 As Date Dim valuation4 As Date Dim valuation5 As Date Dim valuation6 As Date Dim valuation7 As Date Dim valuation8 As Date Dim valuation9 As Date Dim valuation10 As Date Dim valuation11 As Date Dim valuation12 As Date Dim startdate As Double Dim findate As Double
Dim valcounter As Double
'retrieve start date and end date startdate = CDbl(Me.Start_Date) findate = CDbl(Me.Completion_Date)
'calculate evaluation periods Dim valCount As Double Dim valDays As Double
Select Case valcounter Case "1" Me.valuation1 = startdate Case "2" Me.valuation2 = startdate Case "3" Me.valuation3 = startdate Case "4" Me.valuation4 = startdate Case "5" Me.valuation5 = startdate Case "6" Me.valuation6 = startdate Case "7" Me.valuation7 = startdate Case "8" Me.valuation8 = startdate Case "9" Me.valuation9 = startdate Case "10" Me.valuation10 = startdate Case "11" Me.valuation11 = startdate Case "12" Me.valuation12 = startdate
I have a question that I can't seem to figure out. I am trying to create a form in which there are three major fields. 1) Value 1 2) Value 3) Sum of Value 1 & 2. I want it so that two fields are added up and then the sum, which will populate in the third field, will be stored in a table.
Does anyone have any suggestions on what I can do? I am fairly new to access and haven't had much luck finding anything on the net.
I am currently setting up a data base for my work and was wondering if there is any way to do the following calculation:
I have a database of automatic doors that are contantly being repaired and i want to keep a record of the accumulated costs involved with this.
I have set up a form to update each door and its accociated repair cost, the problem is when i enter the new repair cost access replaces the current cost with the new and i want it to be added to the current cost so the accumulated cost can be bulit up over time.
I've read the posts regarding not store calculations. However, I was told by IS to store the mileage IRS deduction as it changed 3 times last year.
Any idea's how to handle this? I need the table to remember how much $$ was paid out in mileage expense. I had set up a field called mexpense and mileage, where =[Mileage]*0.375.
