DbDataReader.GetFieldType(Int32) Method

Reference

Definition

Namespace:: System.Data.Common

Assembly:: System.Data.Common.dll

Assemblies:: netstandard.dll, System.Data.Common.dll

Assembly:: System.Data.dll

Assembly:: netstandard.dll

Source:: DbDataReader.cs

Source:: DbDataReader.cs

Source:: DbDataReader.cs

Important

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When overridden in a derived class, gets the data type of the specified column.

public:
 abstract Type ^ GetFieldType(int ordinal);

public abstract Type GetFieldType(int ordinal);

abstract member GetFieldType : int -> Type

Public MustOverride Function GetFieldType (ordinal As Integer) As Type

Parameters

ordinal: Int32

The zero-based column ordinal.

Returns

Type

The data type of the specified column.

Implements

GetFieldType(Int32)

Exceptions

IndexOutOfRangeException

The column index is out of range.

InvalidCastException

The specified cast is not valid.

Applies to

Продукт	Версии
.NET	Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9, 10
.NET Framework	2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1
.NET Standard	2.0, 2.1
UWP	10.0

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