Class DataTableDataHelper
DataTable data source helper class
Inherited Members
Namespace: Telerik.Charting
Assembly: Telerik.WinControls.RadChart.dll
Syntax
public class DataTableDataHelper : DataHelper, ICommonDataHelper
Constructors
DataTableDataHelper(DataTable)
Default constructor
Declaration
public DataTableDataHelper(DataTable data)
Parameters
System.Data.DataTable
data
DataTable objects as chart's data source |
Properties
ColumnNameSupported
Returns true, because current data source supports columns naming
Declaration
public override bool ColumnNameSupported { get; }
Property Value
System.Boolean
|
Overrides
ColumnsCount
Gets the data source columns count
Declaration
public override int ColumnsCount { get; }
Property Value
System.Int32
|
Overrides
DataTable
Gets the DataTable object
Declaration
public DataTable DataTable { get; }
Property Value
System.Data.DataTable
|
RowsCount
Gets the data source rows count
Declaration
public override int RowsCount { get; }
Property Value
System.Int32
|
Overrides
Methods
GetColumnIndex(String)
Gets the column index by column name in the Data Source object
Declaration
public override int GetColumnIndex(string columnName)
Parameters
System.String
columnName
Column name |
Returns
System.Int32
Column index if column found or -1 if column not found |
Overrides
GetColumnName(Int32)
Gets the column name
Declaration
public override string GetColumnName(int columnIndex)
Parameters
System.Int32
columnIndex
Column index |
Returns
System.String
|
Overrides
GetObjectValue(Int32, Int32)
Return the object value at the given row and column
Declaration
public override object GetObjectValue(int rowIndex, int columnIndex)
Parameters
System.Int32
rowIndex
Row position index |
System.Int32
columnIndex
Column index |
Returns
System.Object
Object value at given column and row from data source |
Overrides
IsColumnNumeric(Int32)
Returns true if given column contains numeric values
Declaration
public override bool IsColumnNumeric(int columnIndex)
Parameters
System.Int32
columnIndex
Column index |
Returns
System.Boolean
True if data source column contains numeric values |
Overrides
IsColumnString(Int32)
Returns true if given column contains string type values
Declaration
public override bool IsColumnString(int columnIndex)
Parameters
System.Int32
columnIndex
Column index |
Returns
System.Boolean
True if data source column contains string values |