GetItemTime – PB Docs 150

GetItemTime method (DataWindows)


Gets data whose type is Time from the specified buffer of
a DataWindow control or DataStore object. You can obtain the data
that was originally retrieved and stored in the database from the
original buffer, as well as the current value in the primary, delete,
or filter buffers.

note.png Separate method names for the Web DataWindow server

Separate method names, GetItemTimeByColNum, GetItemTimeByColNumEx,
and GetItemTimeEx are provided as alternative syntaxes
for the Web DataWindow server component, which cannot use overloaded


DataWindow type

Method applies to


DataWindow control, DataWindowChild object, DataStore


Server component



[Web DataWindow server component]




A reference to a DataWindow control,
DataStore, or child DataWindow.


A value identifying the row location
of the data.


The column location of the data. The
datatype of the column must be time. Column can
be a column number or a column name. The column number is the number
of the column as it is listed in the Column Specification view of
the DataWindow painter—not
necessarily the number of the column in the Design view.

To get the contents of a computed field, specify the name
of the computed field for column. Computed
fields do not have numbers.

dwbuffer (optional)

A value of the dwBuffer enumerated datatype
(PowerBuilder) or a string (Web DataWindow) identifying the DataWindow buffer
from which you want to get the data. For a list of valid values,
see DWBuffer.

originalvalue (optional)

A boolean indicating whether you want
the original or current values for row and column:

  • True – Return
    the original values (the values initially retrieved from the database).

  • False – (Default) Return
    the current values.

If you specify dwbuffer, you must also
specify originalvalue.

Return Values

Returns the time value in the specified row and column. Returns
null if the column value is null or if there is no DataWindow object
assigned to the DataWindow control or DataStore. Returns 00:00:00.000000
if an error occurs.

If any argument value is null, in PowerBuilder the method
returns null.


Use GetItemTime to get information from
the DataWindow’s buffers. To find out what the user entered
in the current column before that data is accepted, use GetText.
In the ItemChanged or ItemError events, use the data argument.

To access a row in the original buffer, specify the buffer
that the row currently occupies (primary, delete, or filter) and
the number of the row in that buffer. When you specify true for originalvalue,
the method gets the original data for that row from the original

note.png Datatypes of columns and computed fields

An execution error occurs when the datatype of the DataWindow
column does not match the datatype of the method—in this
case, time.

There is a difference in datatypes between computed columns
retrieved from the database and computed fields defined in the DataWindow
painter. Computed columns from the database can have a datatype
of time, but a time computed field always has a datatype of DateTime,
not time. Use the GetItemDateTime method instead.

note.png PowerBuilder only: using GetItemTime in a String function

When you call GetItemTime as an argument
for the String function and do not specify a
display format, the value is formatted as a DateTime value. This
statement returns a string like “2/26/06 00:00:00”:

To get a simple time string, you can specify a display format
for the String function or you can assign the
value to a time variable before calling the String function
(see GetItemDate for examples).


These statements set Start to the current Time data
in the primary buffer for row 3 of the column named title in dw_employee:

These statements set Start to the current Time data
in the filter buffer for row 3 of the column named start_time
of dw_employee:

These statements set Start to the original Time data
in the primary buffer for row 3 of the column named start_time
of dw_employee:

See Also

Document get from Powerbuilder help
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