ms-access

问题 I am considering the use of a tab control on a parent form for which I would like to have around 20 tabs. Each tab I am considering the use of one or two separate sub forms. Each sub form will have varied complexity in coded logic. By taking this approach will I severally reduce the performance of my application? I am currently using this in MS Access 2003. I will expect an average of 15 users at any given time on the various forms. Thoughts? 回答1: Yes, performance will be degraded slightly

问题 I did a bit of research and I think the best way to auto-fire a Macro is to use the AutoExec method in Access. I believe the script below will do the job. Option Compare Database '------------------------------------------------------------ ' AutoExec ' '------------------------------------------------------------ Function AutoExec() On Error GoTo AutoExec_Err DoCmd.RunCommand acCmdWindowHide MsgBox "Welcome to the client billing application!", vbOKOnly, "Welcome" DoCmd.OpenTable "Orders",

问题 I'm trying to create a simple visual basic 6 program/database that uses ms access 2007 as the back end. I have no background with vb programming. I just want to as what are the simplest way(s) in connecting vb and access? I've searched almost all over the internet on how to do this but I think I'm doing it wrong. Can anybody help me? Thanks. 回答1: Use ADO. Theres a tutorial in the VB6 user guide about connecting VB6 to Access. http://msdn.microsoft.com/en-us/library/aa240855(v=vs.60).aspx You

问题 At present I pull my data from an MS Access database and within a java application I system.out.print it to the console. I used /t to space out the data, however it appears awkwardly. I would like to place it in some kind of table for a more pleasing look. Any help would be great thanks. while(rs.next()) { System.out.print(rs.getInt("season_number")+"\t"); System.out.print(rs.getInt("season_episode_number")+"\t"); System.out.print(rs.getInt("series_episode_number")+"\t"); System.out.print(rs

问题 I was trying to import an Excel worksheet into Access table and the worksheet had specific dates(E.g. 12/4/2017) as headers for columns. And when i tried to import to Access, Access did not allow me to import that worksheet into table as "12/4/2017 isnt a valid field name" Is there other ways to import the worksheet or work about this? Thanks 回答1: Names of fields, controls & objects in Access: Can be up to 64 characters long. Can include any combination of letters, numbers, spaces, and

问题 I am using MS Access 2007. I am collecting data of different types of businesses within a town area, arranged by streets, the business. In TableA, I have a list of different specific streets, no duplicates, field: Street; and another, field: NumOfBusinesses. In TableB, I have a list of different specific businesses, Business; and what street they are on, Street. eg TableA STREET..................NUMOFBUSINESSES High Street Sheep Street Silver Street Gold Street TableB BUSINESS...............

问题 I am building a website in ASP.NET 2.0, some description of the page I am working about: ListView displaying a table (of posts) from my access db, and a ListBox with Multiple select mode used to filter rows (by forum name, value=forumId). I am converting the ListBox selected values into a List, then running the following query. Parameter: OleDbParameter("@Q",list.ToString()); Procedure: SELECT * FROM sp_feedbacks WHERE forumId IN ([@Q]) The problem is, well, it doesn't work. Even when I run

问题 Does the following article apply to all uses of JET (including from within client apps via DAO or OLEDB): http://support.microsoft.com/kb/275058 Does this mean JET 4.0 or above is mandatory for anything involving an Access MDB? 回答1: Unfortunately, the KB article is worded poorly. The SQL 92 syntax to which they refer is when you add a non-column comparison filter in the ON clause of an OUTER join (which also means it will not be viewable in the QBE). Thus, a standard outer join (LEFT or RIGHT

问题 Is there a way to get yesterdays date. If the current date is monday I need three dates returned - Sunday, Saturday and Friday. Is there any way possible to accomplish this in a single query. I don't know VBA that well but if that is the only way to solve I am willing to get my hands dirty. Select * from [Purchase Order] where MyDate = 'Yesterdays date(s)' 回答1: The WeekDay() function will tell you whether today's date, as returned by the Date() function, is Monday. Use that in an IIf()

问题 I am writing a program that integrates with a ScanSnap scanner. ScanSnap scanners do not support TWAIN. Once a document is scanned it is automatically saved to a PDF. I want to monitor the directory where the files will be saved and take some action when the file appears (and is done being written to). A simple approach is to use the MS Access form Timer event and check for an existing file at some small interval of time. Is there a better alternative via Windows Messaging, the