Building Expressions

Visual FoxPro expressions combine data and operators to create a value with a specific data type. When you need to supply a value with a specific data type, you can also supply an expression.

In This Section

• Creating Character Expressions
  Introduces character expressions for providing character values.

• Creating Visual FoxPro Names
  Introduces names used by data containers, commands, and functions in Visual FoxPro.

• Name Expression Creation
  Introduces name expressions as substitutes for Character variable and array element values for names needed by commands and functions.

• Macro Substitution (Visual FoxPro)
  Introduces using macro substitution for replacing names with variables.

• Creating Numeric Expressions
  Introduces numeric expressions for providing numeric values.

• Creating Logical Expressions
  Introduces logical expressions for providing logical values.

• Creating Date Expressions
  Introduces date expressions for providing date values.

• Using Commands and Functions
  Introduces using expressions with Visual FoxPro commands and functions.

• Trimming and Concatenating Expressions
  Explains trimming values in fields and concatenating expressions into a single expression.

• Operating the Expression Builder
  Describes how to create expressions in the Expression Builder when it is available.

Related Sections

• General Reference
  Includes Visual FoxPro-related technical information, including file types, file structures, and other reference information about Visual FoxPro elements.