Error Access Report
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controls don't exist, you cannot sum them. In forms The problem does not arise in forms that display the new record. It does occur if access #type! error the form's Allow Additions property is Yes, or if the form is
Ms Access #error
bound to a non-updatable query. To avoid the problem, test the RecordCount of the form's Recordset. In older
#error In Access Query
versions of Access, that meant changing: =Sum([Amount]) to: =IIf([Form].[Recordset].[RecordCount] > 0, Sum([Amount]), 0) Access 2007 and later have a bug, so that expression fails. You need a function. Copy
#error In Access Form
this function into a standard module, and save the module with a name such as Module1: Public Function FormHasData(frm As Form) As Boolean 'Purpose: Return True if the form has any records (other than new one). ' Return False for unbound forms, and forms with no records. 'Note: Avoids the bug in Access 2007 where text boxes cannot use: ' [Forms].[Form1].[Recordset].[RecordCount] On access #error in textbox Error Resume Next 'To handle unbound forms. FormHasData = (frm.Recordset.RecordCount <> 0&) End Function Now use this expression in the Control Source of the text box: =IIf(FormHasData([Form]), Sum([Amount]), 0) Notes Leave the [Form] part of the expression as it is (i.e. do not substitute the name of your form.) For Access 97 or earlier, use RecordsetClone instead of Recordset in the function. A form with no records still has display problems. The workaround may not display the zero, but it should suppress the #Error. In reports Use the HasData property property, specifically for this purpose. So, instead of: =Sum([Amount]) use: =IIf([Report].[HasData], Sum([Amount]), 0) If you have many calculated controls, you need to do this on each one. When Access discovers one calculated control that it cannot resolve, it gives up on calculating the others. Therefore one bad expression can cause other calculated controls to display #Error, even if those controls are bound to valid expressions. For details of how to do this with subreports, see Bring the total from a subreport onto a main report. Home Index of tips Top
of ms access if error Use Forms: Resolve #Name error in a ms access if error then 0 form/report Author(s) Dev Ashish (Q) Why do I get a #NAME error for http://allenbrowne.com/RecordCountError.html a calculated control on a form or a report? (A) You are probably using the same name for a calculated text box as one of the terms http://access.mvps.org/access/forms/frm0018.htm in the expression. In the following example, Access produces a #NAME error if you enter the expression in a control named City, State, or ZIP: =[City] & "", "" & [State] & "" "" & [ZIP] This creates a circular reference that may be resolved by changing the name of the control that contains this expression to something (anything) other than City, State, or ZIP. © 1998-2010, Dev Ashish & Arvin Meyer, All rights reserved. Optimized for Microsoft Internet Explorer
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