ms-access-2007

问题 Could anyone help me in inserting a input mask formula for date in a access form textbox that shouldnot take year which only take date and month in the below format : DD/MM Not in DD/MM/YY Thanks for help in advance 回答1: 99/99 would work. 回答2: I'd suggest that you probably shouldn't use a date mask like this with data stored in a date field. If you input like "06/13" that will be stored as 06/13/2009 today and as 6/13/2010 a year from now. That is, all entry that doesn't specify a year will

问题 I am attempting to normalize a database that uses multiple columns for the same thing. For instance, Street, Street2, ..., Street12 . My current plan is to create a separate Street table, containing columns for Street and mainID , (plus a new ID field for this table,) where mainID is the primary key for the main database. (Example) Each mainID could be linked to multiple Street records as needed, allowing for the removal of the Street columns in the main table. I'm planning to reference this

问题 I have val MyDate in my C# program that contain today-date or null . I have date field in my access 2007 - TdateOpen I try to insert to the database like this: SQL = "insert into MyCount(TdateOpen) values ('" + MyDate +"')"; and I get this error: Data type mismatch in criteria expression what can be the problem? 回答1: Coz in your SQL statement you are entering date as String . Instead of String it should be a date/date format. Try to surround by # . 回答2: You will need to ensure that the date

问题 I'm looking for advice as to the correct method for form design to prompt the user entering data to avoid duplicated records. For example: The user enters profile information in the fields firstName surName Its highly possible for numerous profiles to have the same name (e.g John Smith, so indexing fields isn't possible to avoid duplicates). Its possible for the user to enter the same record twice if they are not prompt/warned not to do so. What is considered the best method to prompt users

问题 i want to insert null date into access database if user payment choose as cash then cheque date should be insert as empty for this im using masked textbox , i use debugger also but every time debugger going else condition and for that its giving me data mismatch exception here is im giving my insert code string bank = txtbankname.Text; bank = ""; string cheque = txtchequeno.Text; cheque = ""; string billno = txtbillno.Text; billno = ""; string codecreate = txtcodecreator.Text; codecreate = ""

问题 I'm having some trouble trying to get Microsoft Access 2007 to accept my SQL query but it keeps throwing syntax errors at me that don't help me correct the problem. I have two tables, let's call them Customers and Orders for ease. I need some customer details, but also a few details from the most recent order. I currently have a query like this: SELECT c.ID, c.Name, c.Address, o.ID, o.Date, o.TotalPrice FROM Customers c INNER JOIN Orders o ON c.ID = o.CustomerID AND o.ID = (SELECT TOP 1 ID

问题 I am trying to create an App in Microsoft Access 2007. How can I silently send an email out using Outlook 2007 upon a specific event without any user interaction. How should I approach this. If you can provide some VBA some it would be extremely nice, but if not, could you guide me in how to accomplish this? 回答1: I was able to solve my problem with the following code: Public Sub SendEmail() Email_Bcc = "email@domain.com" Email_Body = "Email body!!!!" Email_Subject = "Email Subject" On Error

问题 I have a query that contains in one field the percentage of total sales corresponding to a specific product in the past 12 months. For example: Product 1 - 38% Product 2 - 25% Product 3 - 16% (...) The records are sorted in descending order by the percentage column, and the sum of that has to be 100%. I want to create a new column that adds the previous percentages as a running total, like this: Product 1 - 38% - 38% Product 2 - 25% - 63% Product 3 - 16% - 79% (... until it reaches the last

问题 So I pass the ID value from one form to the next using Docmd.OpenForm "SecondForm",,,,,, MainID Docmd.Close AcForm, "FirstForm", acSaveYes and then I check the value on the Second Form's load event: MainID = val(Me.OpenArgs) and when I debug and step through I hover over this and can see it contains a value Then I have a button click event on the Second Form that is supposed to repeat the process, but when I run the following Dim rs as DAO.Recordset Dim dbs as DAO.Database Set dbs = CurrentDB

问题 I have initial form logon to Validate user details to access my MS Access database. Now I have a requirement in another form, If I choose same logon user from a combo box then command button should be enabled in the form so how I validate my initial logon user who logged in with another form Textbox in my access db. So I researched about this but could not get the useful scenario - Can some please help me how I can acheive this details ..Thanks! 回答1: After the user completes her login, hide