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
GetValuesYColumns
Gets the series Y values columns array
Remarks
When the series Y values column has not been set it will be found automatically
Parameters
valuesYColumns System.String
Y values columns array. Can contain as column names as indexes
auto System.Boolean
Should auto mode be applied
Returns
System.Int32[] Y values columns indexes array
ItemsEqual
Compares two series items
Parameters
item1 Telerik.Charting.ChartSeriesItem
Item to compare
item2 Telerik.Charting.ChartSeriesItem
Item to compare
Returns
System.Boolean True if items represent the same data and have same names
OnItemDataBound
Calls an ItemDataBound event
Parameters
chartSeries Telerik.Charting.ChartSeries
Series
chartSeriesItem Telerik.Charting.ChartSeriesItem
Series item
dataItem System.Object
Data Source
Returns
System.Void
ValidateDataSource
Validates data source object passed
Remarks
The data source should implement the IEnumerable interface
Parameters
dataSource System.Object
Data Source
Returns
System.Void