Modules & VBA :: Checking If Data Entered In Form Field Exist

Jan 17, 2015

I want to check if data entered in a form field is existed

The form is bounded to a table

I used this code

If DLookup("Telegram_Number", "tbl_Violation_Of_Building", "Telegram_Number Like " & Forms!frm_Add_Violation_Building!Telegram_Number) Then
MsgBox ("number existed")
Me.Telegram_Number = ""
Else
End If

everything is ok but if the data is existed the database show the message and clear the field but i'm getting a Run-time error

'-2147352567(80020009)': the macro or function set to the beforeupdate or validationRule property for this field is preventing [ISF] from saving the data in the field

I guess the problem because the form is bounded to a table so he will save automatically

My solution is to unbound the fields and save the data via vba but is there any solution with a bounded form???

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