DbDataReader.GetSchemaTable Method
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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();C#
public virtual System.Data.DataTable? GetSchemaTable();C#
public virtual System.Data.DataTable GetSchemaTable();C#
public abstract System.Data.DataTable GetSchemaTable();abstract member GetSchemaTable : unit -> System.Data.DataTable
override this.GetSchemaTable : unit -> System.Data.DataTableabstract member GetSchemaTable : unit -> System.Data.DataTablePublic Overridable Function GetSchemaTable () As DataTablePublic MustOverride Function GetSchemaTable () As DataTableA DataTable that describes the column metadata.
The DbDataReader is closed.
The column index is out of range.
.NET Core and .NET 5+ only: In all cases.
| Product | Versions |
|---|---|
| .NET | Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
| .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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