Difference between revisions of "EXPRCHECK()"
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Revision as of 13:04, 10 February 2012
Purpose
Function to check expression for errors
Syntax
EXPRCHECK(<expC>)
See Also
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