ICustomFunctionOperatorFormattable Interface
Defines server-side processing for custom functions.
Namespace: DevExpress.Data.Filtering
Assembly: DevExpress.Data.v20.1.dll
NuGet Packages: DevExpress.Data, DevExpress.WindowsDesktop.Data
Declaration
Related API Members
The following members return ICustomFunctionOperatorFormattable objects:
Remarks
Implement this interface in addition to the ICustomFunctionOperator interface to provide a database-specific SQL command for your custom function. This interface declares the functionality required to evaluate the custom function within criteria on the database server.
If you want to make your custom function available to end users in Expression Editors, implement the ICustomFunctionOperatorBrowsable interface as well.