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Stored procedures
Used to check whether a duplicate error occurred.
WINDEV This function can be used when the automatic management of errors is disabled by HOnError. By default, WINDEV proposes an automatic management of duplicates.
Versions 17 and later
iPhone/iPad This function is now available for iPhone/iPad applications.
New in version 17
iPhone/iPad This function is now available for iPhone/iPad applications.
iPhone/iPad This function is now available for iPhone/iPad applications.
Versions 18 and later
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications (for the HFSQL data files).
Universal Windows 10 App This function is now available in Windows Store apps mode.
New in version 18
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications (for the HFSQL data files).
Universal Windows 10 App This function is now available in Windows Store apps mode.
Android Widget This function is now available in Android Widget mode.
Android This function is now available for the Android applications (for the HFSQL data files).
Universal Windows 10 App This function is now available in Windows Store apps mode.
Versions 21 and later
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
New in version 21
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Universal Windows 10 App This function is now available in Universal Windows 10 App mode.
Remark: From version 19, HFSQL is the new name of HyperFileSQL.
// Manage a duplicate error
IF HModify(Customer) = False THEN
IF HErrorDuplicates() = True THEN
sItemName is string
sItemName = HErrorInfo(hErrItem)
Error("Duplicate: this record cannot be modified", ...
"Item associated with the error: " + sItemName, ...
"Value of the item: " + {"Customer. " + sItemName})
END
END
Syntax
<Result> = HErrorDuplicates()
<Result>: Boolean
  • True if a duplicate error occurred,
  • False otherwise (no error).
Remarks
The management of duplicates is enabled by default. To enable or disable the management of duplicates, use HSetDuplicates.
Business / GUI classification : Business Logic
Component : wd250hf.dll
Minimum version required
  • Version 9
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