DataFrameSchema<R, C>.Item Property

Definition

Namespace: Numerics.NET.DataAnalysis.Schema
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 10.8.0

Item[C]	Gets the column schema with the specified typed column key.
Item[Int32]	Gets the column schema at the specified ordinal.

Gets the column schema with the specified typed column key.

public ColumnSchema<C> this[
	C key
] { get; }

Visual Basic

Public ReadOnly Default Property Item ( 
	key As C
) As ColumnSchema(Of C)
	Get

C++/CLI

public:
property ColumnSchema<C>^ default[C key] {
	ColumnSchema<C>^ get (C key);
}

member Item : ColumnSchema<'C> with get

ColumnSchema<C>
The column schema with key key.

ArgumentNullException	key is null.
KeyNotFoundException	key is not present in the schema column index.

Gets the column schema at the specified ordinal.

public ColumnSchema<C> this[
	int ordinal
] { get; }

Visual Basic

Public ReadOnly Default Property Item ( 
	ordinal As Integer
) As ColumnSchema(Of C)
	Get

C++/CLI

public:
property ColumnSchema<C>^ default[int ordinal] {
	ColumnSchema<C>^ get (int ordinal);
}

member Item : ColumnSchema<'C> with get

ColumnSchema<C>
The column schema at ordinal.

ordinal is less than zero or greater than or equal to ColumnCount.