DbDataReader.GetFloat(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

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

When overridden in a derived class, gets the value of the specified column as a single-precision floating point number.

public:
 abstract float GetFloat(int ordinal);

public abstract float GetFloat(int ordinal);

abstract member GetFloat : int -> single

Public MustOverride Function GetFloat (ordinal As Integer) As Single

Parameters

ordinal: Int32

The zero-based column ordinal.

Returns

Single

The value of the specified column.

Implements

GetFloat(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

Споделяне чрез