HErrorDuplicates (Function)

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HErrorDuplicates (Function)

In french: HErreurDoublon

Not available with this kind of connection

Used to check whether a duplicate error occurred.

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

This function is now available for iPhone/iPad applications.

New in version 17

This function is now available for iPhone/iPad applications.

Versions 18 and later

This function is now available in Android Widget mode.

This function is now available for the Android applications (for the HFSQL data files).

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Android Widget mode.

This function is now available for the Android applications (for the HFSQL data files).

This function is now available in Windows Store apps mode.

This function is now available in Android Widget mode.

This function is now available for the Android applications (for the HFSQL data files).

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Remark: From version 19, HFSQL is the new name of HyperFileSQL.

Example

See additional examples

// 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