The variable name on the "Data" tab can be maximum 31 characters long (length of column name in file is limited).
|Data source (ConnectionString)||Text string used for connection to the data source by using the PROMOTIC technology (not ADO). The same syntax is used in order to keep it simple. |
Macro expression can be used for input (it is evaluated after starting the application).For example$.join("Data Source=",$.path("data","trend/"),$.expr("pMe.GroupId"),"/;") This configurator must not contain an empty string.
Data Source - Name of the *.ht file on the disk into which the data are stored.
|Number of file records||Maximum number of records in the file. If the records count exceeds this value, then the oldest record is always removed when writing new record. By this the number of records in the file is kept on the constant value. |
The setting -1 defines unlimited file size enabling the file to grow beyond all limits. In this case, for example, the ClearHistory method can be used for archive contents deletion.