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Access Discussion of Microsoft Access database design and programming. See also the forums for Access ASP and Access VBA.
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Old October 7th, 2003, 03:31 AM
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hi

how can i do checking (if else) under the control source properties of a field?


pls advice???:)


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Old October 7th, 2003, 05:23 AM
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I not entirely sure if this is what you are asking (Tell me if I am wrong) however if I need to isolate the contents of a field for checking purposes I usually use
Code:
if me.fieldname= "Yourinfohere" then ...
in the Form_Current() method. This will isolate the context of the textbox/combobox being used. For check boxes use true/false as necessary.

Below are a couple of examples
<h3>example 1</h3>
Code:
If Me.Loggedin_txt = "Usernamehere" Then
    'If so then allow new users button
    Me.NewUser_btn.Visible = True
    Me.NewUser_lbl.Visible = True
End If
<h3> Example 2 checkboxes</h3>
Code:
If recClone.RecordCount = 0 Then
    MsgBox "There is no one to be billed this month"
    DoCmd.Close
Else
    'If to see if the URL expiry is within next month, add to bill.
    If Me.NextRenewel_URL <= Date + 31 Then
        BillTotal = Me.CostPA
    Else
        BillTotal = 0
    End If
'more code here
End If
Alright it's crude, probably not the most efficient way of doing things, but it works. If anyone else reading this knows more efficient ways of checking data, please let me know.

If however you want to edit control source based on the contents of a text box try this (Once again crude, and almost certainly not totally efficient)
Code:
If Me.ClientName = "fhjk" Then
   Me.Text1.ControlSource = "= DomainName" 'Due to fact its a text field
Else
   Me.Text1.ControlSource = "=" & ExtentionNumber 'not text field therefore no need
                                                  'for "..."
End If
HTH

---
David Thorne, Student
UK
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Old October 10th, 2003, 03:25 AM
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okie thanks!!

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