DbDataReader.GetSchemaTable Method

Reference

Definition

Namespace:: System.Data.Common

Assembly:: 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.

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

Zdieľať cez