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DataTableDataHelper

Class

DataTable data source helper class

Definition

Assembly:Telerik.WinControls.RadChart.dll

Syntax:

public class DataTableDataHelper : DataHelper

Inheritance: objectDataHelperDataTableDataHelper

Inherited Members DataHelper.GetDoubleValue(int, int)DataHelper.GetStringValue(int, int)DataHelper.IsItemNumeric(int, int)DataHelper.GetLabelsColumnIndex(int)DataHelper.GetGroupsColumnIndex()DataHelper.GetFilteredColumn(int)DataHelper.GetSortedAndFilteredColumn(int)DataHelper.GetValuesXColumnIndex()DataHelper.GetValuesYColumnIndex()DataHelper.GetValuesYColumns()DataHelper.GetGanttValuesColumns()DataHelper.IsNullableType(Type)DataHelper.IsTypeNumeric(Type)DataHelper.IsTypeString(Type)DataHelper.IsValueString(object)...

Constructors

DataTableDataHelper(DataTable)

Default constructor

public DataTableDataHelper(DataTable data)

Parameters:dataDataTable

DataTable objects as chart's data source

Properties

ColumnNameSupported

bool

Returns true, because current data source supports columns naming

public override bool ColumnNameSupported { get; }

Overrides: DataHelper.ColumnNameSupported

ColumnsCount

int

Gets the data source columns count

public override int ColumnsCount { get; }

Overrides: DataHelper.ColumnsCount

DataTable

Gets the DataTable object

public DataTable DataTable { get; }

RowsCount

int

Gets the data source rows count

public override int RowsCount { get; }

Overrides: DataHelper.RowsCount

Methods

GetColumnIndex(string)

Gets the column index by column name in the Data Source object

public override int GetColumnIndex(string columnName)

Parameters:columnNamestring

Column name

Returns:

int

Column index if column found or -1 if column not found

Overrides: DataHelper.GetColumnIndex(string)

GetColumnName(int)

Gets the column name

public override string GetColumnName(int columnIndex)

Parameters:columnIndexint

Column index

Returns:

string

Overrides: DataHelper.GetColumnName(int)

GetObjectValue(int, int)

Return the object value at the given row and column

public override object GetObjectValue(int rowIndex, int columnIndex)

Parameters:rowIndexint

Row position index

columnIndexint

Column index

Returns:

object

Object value at given column and row from data source

Overrides: DataHelper.GetObjectValue(int, int)

IsColumnNumeric(int)

Returns true if given column contains numeric values

public override bool IsColumnNumeric(int columnIndex)

Parameters:columnIndexint

Column index

Returns:

bool

True if data source column contains numeric values

Overrides: DataHelper.IsColumnNumeric(int)

IsColumnString(int)

Returns true if given column contains string type values

public override bool IsColumnString(int columnIndex)

Parameters:columnIndexint

Column index

Returns:

bool

True if data source column contains string values

Overrides: DataHelper.IsColumnString(int)