SQLSelect.FieldValidate Method

 VIRTUAL METHOD FieldValidate(
	uFieldPos,
	uValue
) AS USUAL CLIPPER

[ClipperCallingConventionAttribute(new string[] { ... })]
public override Usual FieldValidate(
	Usual uFieldPos = default,
	Usual uValue = default
)

Parameters

uFieldPos (Optional)

Type: Usual
The name, number, or symbol representing the desired column.

uValue (Optional)

Type: Usual
The value that is to be validated. It should be of a type compatible with the data type of the column; if the type cannot be converted to the appropriate data type, it is considered to have failed validation.

Return Value

Reference