EXPRCHECK()

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Purpose

Function to check expression for errors


Syntax

EXPRCHECK(<expC>)


See Also

ERROR(), MESSAGE()


Description

The function EXPRCHECK() evaluates the Recital/4GL expression specified in the string <expC>, and returns the appropriate Recital error number, or 0 if the expression evaluated correctly.


Example

function CheckExpr
parameter querystring
if exprcheck(querystring) > 0
    dialog box "Error in Query String: " + message()
    m_ret = .F.
else
    m_ret = .T.
endif
return m_ret


Products

Recital Server, Recital