Synchronizes the trend database.
Function |
Group |
Execution |
Windows |
Embedded |
Thin Client |
SyncTrend
|
Database/ERP |
Asynchronous |
Supported |
Supported |
Executed on
Server |
Syntax
SyncTrend( numGroup, optStrStartDate, optStrEndDate )
- numGroup
- Trend group/worksheet number.
- optStrStartDate
- String with the start date. If this parameter is not
specified, then the current date is used.
- optStrEndDate
- String with the end date. If this parameter is not
specified, then the function uses the same as the start date.
Returned value
Value |
Description |
1 |
Fail to start synchronization; the database is
probably being synchronized. |
0 |
Success |
-1 |
Invalid group number |
-2 |
The format is not set to "Database". |
-4 |
Start date specified is invalid. |
-5 |
End date specified is invalid. |
-6 |
Start date is greater than the end date. |
Notes
This function is executed asynchronously, so it
doesn't return the result of the synchronization. To get that
information, use the
SyncTrendStatus function.
Examples
Tag Name |
Expression |
Tag |
SyncTrend(1) // Synchronizes the
group 1 database using the current date |
Tag |
SyncTrend(1, "10/20/2004") //
Synchronizes the group 1 database only for the day 10/20/2004 |
Tag |
SyncTrend(1, "10/20/2004",
"10/28/2004") // Synchronizes the group 1 database from
10/20/2004 to 10/28/2004 |