EXPRCHECK()
From Lianjapedia
Revision as of 13:27, 19 December 2012 by Yvonne.milne (Talk | contribs)
Contents
Purpose
Function to check expression for errors
Syntax
EXPRCHECK(<expC>)
See Also
Description
The function EXPRCHECK() evaluates the expression specified in the string <expC>, and returns the appropriate 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