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Telerik.Charting.DataManager

Acquires and manipulates data from databases or other sources. Populates the SeriesCollection of the chart control.

Inheritance Hierarchy

System.Object
Telerik.Charting.DataManager

Properties

CurrentDataHelper `ICommonDataHelper`

Active DataHelper

CurrentSeriesType `ChartSeriesType`

Type of the currently processed series

DataMember `String`

Gets or sets the name of the list of data that the data-bound control binds to, in cases where the data source contains more than one distinct list of data items.

DataSource `Object`

Chart Data Source object

IsChartSupportsXAxisDataBinding `Boolean`

Returns true if possible to use the automatic X Axis data binding

IsDataBindCalled `Boolean`

Returns true if DataBind method has been called

IsSeriesSupportsX2Values `Boolean`

Does the chart series support the X2 Values

IsSeriesSupportsX2Y2Values `Boolean`

Does the chart series support the X2 and Y2 Values

IsSeriesSupportsXValues `Boolean`

Does the chart series support the X Values

IsSeriesSupportsY2Values `Boolean`

Does the chart series support the Y2 Values

IsSeriesSupportsY3Values `Boolean`

Does the chart series support the Y3 Values

IsSeriesSupportsY4Values `Boolean`

Does the chart series support the Y4 Values

LabelsColumn `String`

The data source column used as chart labels source

ParentChart `Chart`

Parent Chart object's reference

UseAutoBind `Boolean`

Sets the necessary using or not the automatic data binding at the design time

UseSeriesGrouping `Boolean`

Enables or disables the series grouping feature

Remarks

Default value is True

ValuesXColumn `String`

The data source column used as series items X coordinate

ValuesYColumns `String[]`

The data source columns array used as series items Y coordinate source

Remarks

This array could be used to set the Gantt chart data source columns. The columns should be added in the following order: X, Y, X2, Y2

Methods

ClearDataSource

Clears the Data Source used

Returns

System.Void

CopyFrom

Copies settings from another data manager

Parameters

manager `Telerik.Charting.DataManager`

Source DataManager to copy settings from

Returns

System.Void

CreateSeries

Returns new chart series

Parameters

groupColumn `System.Int32`

DataGroupColumn index or -1 if grouping is not used

isGroupColumnNumeric `System.Boolean`

True if group column contains numeric values only

row `System.Int32`

Data item's row index in a data source

column `System.Int32`

Data item's column index in a data source

vColumns `Telerik.Charting.DataManager.ValuesColumns`

Values columns array

Returns

Telerik.Charting.ChartSeries New ChartSeries instance

CreateSeriesItem

Creates new Chart Series item from data source

Parameters

row `System.Int32`

Data item's row index in a data source

column `System.Int32`

Data item's column index in a data source

groupColumn `System.Int32`

DataGroupColumn index or -1 if grouping is not used

labelsColumn `System.Int32`

Series items labels column

vColumns `Telerik.Charting.DataManager.ValuesColumns`

Values columns array

useLabels `System.Boolean`

Assign name and label for a series item or not

Returns

Telerik.Charting.ChartSeriesItem New ChartSeriesItem instance with data from a data source

DataBind

Forces the data to be refreshed

Returns

System.Void

DataBindAuto

Automatically populates chart series collection with data.

Returns

System.Int32

DataBindSeries

Populates existing chart series collection with data.

Returns

System.Int32

DataBindXAxes

Data bind X Axis labels

Parameters

groupColumn `System.Int32`

DataGroupColumn index if present or -1 in other case

Returns

System.Void

FindPossibleColumnIndex

Returns possible column index in data source

Parameters

groupColumn `System.Int32`

DataGroupColumn index if present or -1 if not

type `Telerik.Charting.DataManager.ColumnType`

Data source column type accordingly to ColumnType enumeration

Returns

System.Int32 Column index or -1 if impossible to find column

GetAxisLabelsColumn

Gets the axis labels column index

Parameters

axisLabelsColumn `System.String`

Axis labels column index or name

Returns

System.Int32 Column index

GetColumnIndex

General column's index detection method

Parameters

column `System.String`

Column index or name

columnType `Telerik.Charting.DataManager.ColumnType`

Data source column type accordingly to ColumnType enumeration

Returns

System.Int32 Column index in a data source

GetDataItem

Returns a Data item from a data source

Parameters

row `System.Int32`

Data item's row index in a data source

Returns

System.Object Data item row or null in other cases

GetGroupsColumn

Gets the groups column index from data source

Remarks

When the groups column has not been set it will be found automatically

Parameters

groupsColumn `System.String`

DataGroupColumn index if present or -1 if not

Returns

System.Int32 Groups column index or -1 if data grouping disabled

GetItemName

Returns either chart series name or series item name

Parameters

groupColumn `System.Int32`

DataGroupColumn index

isGroupColumnNumeric `System.Boolean`

True if group column contains numeric values only

labelsColumn `System.Int32`

Series Labels column index

valuesYColumns `System.Int32`

Y Values columns array

row `System.Int32`

Data item's row index in a data source

column `System.Int32`

Data item's column index in a data source

itemType `Telerik.Charting.DataManager.ItemType`

Item type Series or SeriesItem

Returns

System.String Chart item name for an auto created Series or SeriesItem

GetLabelsColumn

Gets the labels column index in data source

Remarks

When the labels column has not been set it will be found automatically

Parameters

labelsColumn `System.String`

DataLabelsColumn index if present or -1 if not

Returns

System.Int32 Series labels column index

GetValuesColumn

Gets the series X, Y, X2, Y2, Y3, Y4 values columns

Remarks

When the series X, X2 or Y2 values column has not been set it will be found automatically

Parameters

groupsColumn `System.Int32`

DataGroupColumn index if present or -1 if not

column `System.String`

Column name

columnType `Telerik.Charting.DataManager.ColumnType`

Data source column type accordingly to ColumnType enumeration

auto `System.Boolean`

Should automatic column search be used or not

Returns

System.Int32 Column with numeric values. It can be used as X, Y, X2, Y2, Y3, Y4 values source. If impossible to find a column or data helper is NULL it returns -1