TcxCustomDataController Members
In This Article
#Properties
Name | Description |
---|---|
Active | |
Custom |
Identifies the user-defined data source. |
Data |
|
Data |
Returns the number of data rows in the data controller. |
Detail |
|
Display |
Determines the text representation of the value in an item at a specific record. |
Editing |
|
Edit |
Specifies a set of operations to perform on records in a data controller. |
Edit |
Specifies the edit state of a data controller. |
Error |
Returns an expression error code by the specified record and item indexes. |
Filter | Defines a set of filter conditions applied to data. |
Filtered |
Returns the position of a data record in the list of filtered records. |
Filtered |
Returns the number of records that meet the active filter criteria. |
Filtered |
Returns the record index of a filtered record. |
Find |
Provides access to appearance and behavior settings of the associated container control’s Find Panel. |
Fixed |
|
Fixed |
|
Focused |
|
Focused |
Specifies the record index of the record with the current focus. |
Focused |
Specifies the row index of the record with focus. |
Groups | Provides access to data groups in a grid control. |
Has |
|
Is |
|
Is |
|
Is |
|
Is |
|
Is |
Specifies whether a data controller is in edit mode. |
Is |
Indicates whether the current detail data controller is a pattern, as defined below. |
Is |
|
Is |
|
Is |
|
Item |
|
Item |
Specifies calculated field expressions for data items by their indexes. |
Lock |
|
Lock |
|
Multi |
Enables selection of multiple records in a data controller. |
Multi |
Provides access to multi-threading settings. |
New |
|
New |
|
Options | Specifies data controller behavior flags. |
Record |
Defines the number of records provided by the data controller. |
Relations | |
Row |
Returns the number of rows in a data controller. |
Row |
|
Search | Provides access to the object enabling you to perform incremental searching programmatically. |
Sorting |
|
Summary | Specifies the set of summaries calculated by grid data. |
Use |
This property is for internal use only. You will have no need to use it in applications. |
Values | Determines the value of a specific record and item. |
#Methods
#Events
Name | Description |
---|---|
On |
Occurs after canceling the modifications to the active record if working in unbound or provider mode. |
On |
Allows you to perform specific actions after the data controller deletes a record. |
On |
Occurs after inserting a new record if working in unbound or provider mode. |
On |
Occurs after saving changes made to a record if working in unbound or provider mode. |
On |
Occurs before canceling modifications to the active record if working in unbound or provider mode. |
On |
Allows you to perform specific actions when the data controller is about to delete a record. |
On |
|
On |
Occurs before inserting a new record if working in unbound or provider mode. |
On |
Occurs before saving changes made to the modified record if working in unbound or provider mode. |
On |
|
On |
Allows you to implement a custom sorting algorithm. |
On |
Occurs on changing data provided by the data controller. |
On |
Occurs after the details of a particular master record have been collapsed. |
On |
Occurs when the details of a particular master record are about to be collapsed. |
On |
Occurs after the details of a particular master record have been expanded. |
On |
Occurs when the details of a particular master record are about to be expanded. |
On |
Allows you to implement a custom data filtering algorithm. |
On |
Enables you to identify and track changes made to the data search criteria before they take effect on the data controller. |
On |
Enables you to identify and track all data search criteria changes applied to the data controller. |
On |
Occurs after data grouping is changed. |
On |
Allows you to perform actions when the data controller is about to focus a new inserted record. |
On |
Fires in response to data changes. |
On |
Allows you to respond to sorting changes. |
On |
See Also