ms-access | 易学教程

Could not find installable ISAM when importing Access table to Excel

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问题 I have a module that imports an Access table to MS Office Excel. This module has been implemented for almost 6 months and has worked well, but suddenly yesterday the module started giving an error message "External table is not in expected format" I've searched the answer through this site and found that for Excel 2007 I must use syntax "Excel 12.0" not "Excel 8.0". I changed my script and got a new error message: "Could not find installable ISAM" (code below) Others information: I try to

Retriving data from database based on user input

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问题 I am new to php, and I am learning the basics, I designed a form that has a dynamic drop down menu where the options are populated directly from my Access DB. After the user choose an option, the information related to that option would be displayed in a operate page, but that does not work properly. I run over my code for days and I do not seem to get what is wrong. The commented code seems to be my source of problem. this is the code <html> <head> <title>Menu</title> </head> <body> <?php //

How to merge duplicate rows

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问题 I have a series a rows which have duplicate MemberSS fields. This is due to the fact that a new row is inserted when a change is made to their plan (month columns). I need to merge the duplicate rows (assuming into new table?)in the following way: MonthsCover needs to sum (be a sum of the two values). Month columns need to combine their values into one new row so that all of the months are filled in. How would I accomplish this (I'm pretty new to access)? Here is initially what I have tried

Error 3218 Could not update; currently locked -Msaccess [closed]

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问题 Closed. This question is off-topic. It is not currently accepting answers. Want to improve this question? Update the question so it's on-topic for Stack Overflow. Closed 6 years ago . I got an error with my Msaccess DB. multiple users are using this DB's frontend. I do not know why I am getting this error message as follows Error 3218 Could not update; currently locked can someone help me please...... 回答1: The elephant in the room here is that multiple users are using the same front end. This

Access 2010 Date Data Management

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问题 I'm making a database that tracks equipment availability and how a question on how to approach data management. Currently I have it such that equipment may be entered when it is under maintaince and I have a table to track that data. What I need to come of this data is reports that contain weekly, month to date, and year to date availability. My initial thoughts were to use this one table to calculate everything that was down during the timeframe and just use the inverse to get the

How to include this SQL subquery for absolute number's value?

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问题 I have this query written for Access DB. queryText = "SELECT Technicians.ID, firstName, lastName, Technicians.[Zone], COUNT(technicianAssignedId) AS JobsDone, MAX(Faults.timeCompleted) AS LastJobTime, MIN(Technicians.[Zone] - & faultZone &) AS Distance ' MIN has no use FROM Technicians LEFT OUTER JOIN Faults ON Technicians.ID = Faults.technicianAssignedID WHERE Specialization = '" & specialization & "' `AND Availability = 'available' GROUP BY Technicians.ID, firstName, lastName, Availability,

Error 3027, Database or object is ready only?

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问题 When I run the code blow on, it stops and gives me an error 3027 Database or Object is Read only When I clicked debug, it pointed at rec.edit. Yet I have no idea how it is read only. I did check to make sure that the object was closed and the same error still came up. The person who came up with it said it worked for them and that they didn't have any issues with readonly. Any ideas? Public Function HitTest() Dim db As Database Dim rec As DAO.Recordset Dim fld As DAO.Field Set db = CurrentDb

MS Access TableAdapter Get Identity after insert

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问题 I'm VB .net 2010 with a MS Access 2010 Database. The wizard created a DataSet with all the tables from the database. So, I can use Me.CostumerAdapter.Insert("New Costumer") And that works flawless. But then I've a grid with some Products (Just the Name) Product #1 Product #2 Product #3 ... When I save the new costumer I need to get its ID so I can insert the products list. Product & Costumer already have a foreing key relationship. How can I get the Costumer inserted ID? Or how can I save all

VBA/Access RecordSet per form record problem

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问题 I'm new to VBA and Access in general and ran into this problem whilst trying to use the proposed alternate implementation from another question I'd asked (DLookup in Access not running until textBox clicked on in Form) The code below runs, the issue is that Me.Key is different for each record being displayed in the form and running this in the form open event means it grabs only the first value assigned to Me.Key from the first record. How can i make this run so that Me.Key is different for

DB user can see no table using ODBC link in MS Access

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问题 We are facing an issue with MS access. There are two users having the same access for tables and previliges in database. But one user can access the tables from MS access and another user can't. Can you please let me know the reason. Thanks for updating from options. I am looking in to it. User having grant permissions for SELECT ANY TABLE, it works for SQL connection (E.g. Toad or SQL +), but not for MS Access Is there any issue with MS-Access. Please update me. 回答1: You say "can see no