Command Button Disable/Enable

kevinh2320

Board Regular
Joined
May 13, 2016
Messages
61
In Access I have a form called f-search-records-by-FTFN (directly below). The "Enter FTFN" field (Name = FTFN_Search) has the code shown below which is triggered on "After Update". So if a user opens the form and enters a filetype/filenumber and either presses Tab or Enter the code runs and the record is loaded into the form. If the user then clicks the "Append Record to Paid Accounts" button that record is appended to the t-paid-accounts table. That's the complete operation.

However, the problem is this. If a user opens the form and clicks the "Append Record to Paid Accounts" without entering a filetype/filenumber into the "Enter FTFN" all of the records in the underlying query are appended to the t-paid-accounts table. (Bad - definitely not what I want to happen)

I want to modify my code to disable the "Appened Record to Paid Accounts" command button on form load. Then re-enable it once the user has entered and filetype/filenumber in the "Enter FTFN" field and pressed Tab or Enter.

Option Compare Database

Private Sub Append_to_t_paid_Click()

DoCmd.SetWarnings False
DoCmd.OpenQuery "q-append-record-TO-t-paid-accounts"
DoCmd.Close acForm, "f-search-records-by-FTFN"
DoCmd.OpenForm "f-paid-accounts", acNormal, acDialog
DoCmd.RunCommand acCmdRecordsGoToLast

1583087130814.png


Example of form when one account is enter and correctly loaded.
1583088222212.png


Hope this make sense and thank you for any help!
 

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Micron

Well-known Member
Joined
Jun 3, 2015
Messages
2,129
Office Version
  1. 365
Platform
  1. Windows
Form Open event: Me.NameOfYourButton.Enabled = False (or just set it to false in design).
AfterUpdate event on FTFN: validate entry and Me.NameOfYourButton.Enabled = True if that entry is valid. What does that mean? That's up to you to determine if that's text and no numbers, must begin with a certain character, etc. If it is simply that the field is not null or zls:
If Nz(FTFNcontrolNameHere,"")="" Then <<if true, there is nothing in the control. The opposite test for True would be
If Not Nz(FTFNcontrolNameHere,"")="" Then

Do yourself some favours:
- turn on Require Variable Declaration so that future modules have OPTION EXPLICIT right under OPTION COMPARE. You might want to add it to existing modules and recompile your code. (
- no spaces, special characters (except underscore) in any names.
See
What not to use in names - Microsoft Access tips: Problem names and reserved words in Access
 

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