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ADO and RDS Objects
OBJECT: DataControl
DataControl
The
DataControl
object allows the
Recordset
object to be bound to an HTML tag so that the data can be displayed on a web page.
PROPERTIES
Connect Property
Sets or returns a string value that is the ADO connection string name.
Syntax:
datacontrolobject.
Connect
ExecuteOptions Property
Sets or returns whether an asynchronous execution is enabled. An asynchronous execution allows control to go back immediately to the calling program.
Syntax:
datacontrolobject.
ExecuteOptions
FetchOptions Property
Sets or returns an
adcFetchOptionEnum
value that indicates the type of the asynchronous fetching.
Syntax:
datacontrolobject.
FetchOptions
FilterColumn Property
Specifies the column on which to evaluate the filter criteria. Does not activate the filter.
Syntax:
datacontrolobject.
FilterColumn
FilterCriterion Property
Sets the filter criteria. Does not activate the filter.
Syntax:
datacontrolobject.
FilterCriterion
FilterValue Property
Sets the value of the filter. Does not activate the filter.
Syntax:
datacontrolobject.
FilterValue
Handler Property
Not available in version 2.5
Allows the use of a custom server-side security handler.
Syntax:
datacontrolobject.
Handler
InternetTimeout Property
Sets or returns a long value that is the number of milliseconds to wait before a request is timed out because there is no activity.
Syntax:
datacontrolobject.
InternetTimeout
ReadyState Property
Sets or returns an
adcReadStateEnum
value that defines the progress status as a
DataControl
object retrieves data into a
Recordset
object.
Syntax:
datacontrolobject.
ReadyState
Recordset Property
Returns the
Recordset
object underlying the
DataControl
object.
Syntax:
datacontrolobject.
Recordset
Server Property
Sets or returns the server protocol which can be an HTTP URL, an HTTPS URL, the machine name, or the empty string "" to signify local in-process use.
Syntax:
datacontrolobject.
Server
SortColumn Property
Sets or returns the column on which to perform a sort.
Syntax:
datacontrolobject.
SortColumn
SortDirection Property
Sets or returns a Boolean value that defines the direction of the sort.
Syntax:
datacontrolobject.
SortDirection
SourceRecordset Property
Sets the
Recordset
object underlying the
DataControl
object.
Syntax:
datacontrolobject.
SourceRecordset
SQL Property
Sets or returns the SQL query string.
Syntax:
datacontrolobject.
SQL
URL Property
Sets or returns a relative or absolute URL.
Syntax:
datacontrolobject.
URL
METHODS
Cancel Method
Cancels the asynchronous fetching of data.
Syntax:
datacontrolobject.
Cancel
CancelUpdate Method
Cancels a new row or all changes to the current row.
Syntax:
datacontrolobject.
CancelUpdate
CreateRecordset Method
Creates and returns an empty (unpopulated) and disconnected
Recordset
object.
Syntax:
datacontrolobject.
CancelUpdate
(ColumnInfos)
Refresh Method
Refreshes the data from the data source, discards any unsaved changes, and positions the
Recordset
object at the first record.
Syntax:
datacontrolobject.
Refresh
Reset Method
Used to sort and filter data in a client-side
Recordset
object.
Syntax:
datacontrolobject.
Reset
Filter
SubmitChanges Method
Sends all of the pending changes in the locally cached
Recordset
object down to the underlying data source.
Syntax:
datacontrolobject.
SubmitChanges
EVENTS
onError Event
This event can be fired to handle errors encountered by
DataControl
.
Syntax:
onError
(SCode, Description, Source, CancelDisplay)
onReadyStateChange Event
This event can be fired when the value of the
ReadyState
property changes. This is a convenient way to check on the progress of a
Recordset
as it receives new data. This event has no parameters.
Syntax:
onReadyStateChange
Copyright 1999-2005 by Infinite Software Solutions, Inc. All rights reserved.
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