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In MS Access there is a main form with a sub form. They are linked by a common customer field. The issue is when the source query of the main form has no records for the particular customer chosen. An empty form results. How would I set this up so that when the main form source query has no records for a customer a message box advising the user that this customer has no records appears and then close the form ?
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In MS Access there is a main form with a sub form. They are linked by a common customer field. The issue is when the source query of the main form has no records for the particular customer chosen. An empty form results. How would I set this up so that when the main form source query has no records for a customer a message box advising the user that this customer has no records appears and then close the form ?

Handling zero records situation

Microsoft Access is a rapid application development (RAD) relational database tool. Access can be used for both desktop and web-based applications, and uses VBA (Visual Basic for Applications) as its coding language.

Microsoft Access

Visual Basic for Applications (VBA) enables building user-defined functions (UDFs), automating processes and accessing Windows API and other low-level functionality through dynamic-link libraries (DLLs). VBA is closely related to Visual Basic and uses the Visual Basic Runtime Library, but it can normally only run code within a host application rather than as a standalone program. It can, however, be used to control one application from another via OLE Automation. VBA is built into most Microsoft Office applications.