Access VBA Macro Programming

always a fixed length to each element, there is a risk of data loss if a user manages to input a longer string than you original ...

In the Custom UI Editor, use the Create Callbacks icon to copy across the three callbacks forOnChange,GetItemCount, andGetItemLa ...

Arrays follow the same rules as ordinary variables. They can be local, module, or global and can be any data type, including Var ...

In conjunction with the button control, these provide simple ways for your ribbon control to interact with the user, and for you ...

Dynamic Arrays Sometimes you do not know how large an array needs to be. A good example is if you are recursively storing pathna ...

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Years as Integer End Type This creates a new type calledEmployee, which holds information for Name, Salary, and Years of Service ...

Chapter 12 SQL Queries Chapter 12 SQL Queries S QL queries do not form part of the VBA language but it is very important to unde ...

Reserved Words You probably noticed that there are a number of keywords within VBA that make up the language—for example,For,Nex ...

Using the Query Design Window Queries can be easily constructed in Access by using the Query Design window. This provides a GUI ...

Chapter 3 Modules, Functions, and Subroutines Chapter 3 Modules, Functions, and Subroutines M odules are containers where you wr ...

In the example shown in Figure 12-2, the Customers and the Orders tables have been selected. Notice that Access automatically ma ...

 Call your code from another VBA procedure. Code can form subroutines or functions that can then be used within other macros wr ...

Place your cursor anywhere on the join line, right-click, and then select Join Properties. A window like that in Figure 12-3 wil ...

Afunctionis exactly like a subroutine except that it returns a value. Functions start with Function(instead ofSub) and end withE ...

One interesting point about the treatment of dates is that in the actual SQL query behind this GUI, the date is always changed t ...

TheCallcommand calls your subroutine and passes any required parameters to it. It then executes the code in the subroutine and r ...

If a query you are going to use in VBA is complicated, encompassing several tables, it is a good idea to work it out first using ...

The name of the function isMultiply, and this is used as a variable to return the answer. This is the only way to return the ans ...

Also, it is important to put theMoveNextstatement in, otherwise your code will never finish and will just stay on the first reco ...