Prompt for an Expression
/pages/Guides/Desktop/Design/Prompt/Prompt for an Expression.xml
The Prompt for an Expression action prompts the user for an expression and stores it in a variable.
Expression Evaluation Functions
/pages/Ref/Api/Functions/Xbasic/Expression Evaluation Functions/index.xml
Functions to help with evaluating expressions.
Server-side Permission Expression
/pages/Guides/Mobile and Web Components/UX/Controls/Props/Data/List Properties/listprops/Detail View/Table Properties/Server-side Permission Expression/index.xml
If the server-side permission expression evaluates to true, the user can perform the operation.
Filter Expression Dialog Box
/pages/Guides/Desktop/Design/Data/DBF/Filter Expression Dialog Box.xml
The Filter Expression dialog allows you to specify an association between the current table and the lookup table. A typical circumstance when this would be desirable is when you selected a value in a vendor field and wanted the list that appeared in the product field to contain only the vendor's products.
Using Browse by Expression
/pages/Guides/Desktop/Design/View/Browse/Using Browse by Expression.xml
The Browse by Expression feature allows you to conditionally replace an embedded browse on a form with another embedded browse, based on the value of an session variable.
Conditional Expression Builder
/pages/Guides/Desktop/Xdialog/Conditional Expression Builder.xml
The Conditional Expression Builder allows you to associate an expression that references one or more fields in the table with a display statement (in Xdialog syntax) that may contain static text, text computed from table fields, any type of font formatting, buttons, and images. You compose the display statement interactively. You have have multiple expressions that apply different display statements for different conditions. Alpha Anywhere uses the first condition that satisfies the expression and ignores any other conditions that may also satisfy the expression. For example, if you have the following expressions and the lastname field contains the value "Pierce".
security_expression_set Function
/pages/Ref/Api/Functions/Web/Security Functions/security_expression_set Function.xml
Set the system security expression.
EXPRESSION_COMMON_ORDER_ELIMINATE Function
/pages/Ref/Api/Functions/Document Types/DBF/Query Functions/EXPRESSION_COMMON_ORDER_ELIMINATE Function.xml
Simplify the order expression if possible.
a5_expression_library Function
/pages/Ref/Api/Functions/Xbasic/Expression Evaluation Functions/a5_expression_library Function.xml
Displays the Expression Library
expression_reduce_filter Function
/pages/Ref/Api/Functions/Xbasic/Expression Evaluation Functions/expression_reduce_filter Function.xml
Reduce a filter to only those sub-expressions that relate to a named table.