X# Runtime and VO SDK Reference
X# Runtime and SDK Reference
XSharp.VO.SDK Namespace
DataServer Class (Typed)
DataServer Methods (Typed)
DataServer.Append Method (Typed)
DataServer.AsString Method (Typed)
DataServer.Close Method (Typed)
DataServer.Commit Method (Typed)
DataServer.DataField Method (Typed)
DataServer.Delete Method (Typed)
DataServer.FieldGet Method (Typed)
DataServer.FieldGetFormatted Method (Typed)
DataServer.FieldHyperLabel Method (Typed)
DataServer.FieldName Method (Typed)
DataServer.FieldPos Method (Typed)
DataServer.FieldPut Method (Typed)
DataServer.FieldSpec Method (Typed)
DataServer.FieldStatus Method (Typed)
DataServer.FieldSym Method (Typed)
DataServer.FieldValidate Method (Typed)
DataServer.FLock Method (Typed)
DataServer.GetLookupTable Method (Typed)
DataServer.GoBottom Method (Typed)
DataServer.GoTo Method (Typed)
DataServer.GoTop Method (Typed)
DataServer.LockCurrentRecord Method (Typed)
DataServer.NoIVarGet Method (Typed)
DataServer.NoIVarPut Method (Typed)
DataServer.Notify Method (Typed)
DataServer.PostInit Method (Typed)
DataServer.PreInit Method (Typed)
DataServer.RegisterClient Method (Typed)
DataServer.ResetNotification Method (Typed)
DataServer.RLock Method (Typed)
DataServer.RLockVerify Method (Typed)
DataServer.Rollback Method (Typed)
DataServer.Seek Method (Typed)
DataServer.SetDataField Method (Typed)
DataServer.Skip Method (Typed)
DataServer.SuspendNotification Method (Typed)
DataServer.UnLock Method (Typed)
DataServer.UnRegisterClient Method (Typed)
DataServer.Update Method (Typed)
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DataServer.FieldValidate Method (Typed)

X#
Perform all the validations defined to the FieldSpec of a field in this data server (for example, required, maximum and minimum digits, maximum and minimum value, validation rule) and return the result of the test.

Namespace:  XSharp.VO.SDK
Assembly:  XSharp.VOSystemClasses (in XSharp.VOSystemClasses.dll) Version: 2.21
Syntax
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 VIRTUAL METHOD FieldValidate(
	nFieldPosition AS USUAL,
	uValue AS USUAL
) AS LOGIC
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Parameters

nFieldPosition
Type: Usual
The name, number, or symbol representing the desired field.
uValue
Type: Usual
The value that is to be validated. Its data type should be compatible with the data type of the specified field. If the type cannot be converted to the appropriate data type, it is considered to have failed validation.

Return Value

Type: Logic
FALSE if any of the validations fail; otherwise, TRUE.
See Also