DbDataReader.GetSchemaTable Method

Reference

Definition

Namespace:: System.Data.Common

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

Assembly:: 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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Returns a DataTable that describes the column metadata of the DbDataReader. Returns null if the executed command returned no resultset, or after NextResult() returns false.

public:
 virtual System::Data::DataTable ^ GetSchemaTable();

public:
 abstract System::Data::DataTable ^ GetSchemaTable();

public virtual System.Data.DataTable? GetSchemaTable();

public virtual System.Data.DataTable GetSchemaTable();

public abstract System.Data.DataTable GetSchemaTable();

abstract member GetSchemaTable : unit -> System.Data.DataTable
override this.GetSchemaTable : unit -> System.Data.DataTable

abstract member GetSchemaTable : unit -> System.Data.DataTable

Public Overridable Function GetSchemaTable () As DataTable

Public MustOverride Function GetSchemaTable () As DataTable

Returns

DataTable

A DataTable that describes the column metadata.

Implements

GetSchemaTable()

Exceptions

InvalidOperationException

The DbDataReader is closed.

IndexOutOfRangeException

The column index is out of range.

NotSupportedException

.NET Core and .NET 5+ only: In all cases.

Applies to

Product	Versions
.NET	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

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