DataReaderExtensions.GetFieldValue(DbDataReader, String) DataReaderExtensions.GetFieldValue(DbDataReader, String) DataReaderExtensions.GetFieldValue(DbDataReader, String) DataReaderExtensions.GetFieldValue(DbDataReader, String) Method

Definition

Gets the value of the specified column as the requested type.

public:
generic <typename T>
[System::Runtime::CompilerServices::Extension]
 static T GetFieldValue(System::Data::Common::DbDataReader ^ reader, System::String ^ name);
public static T GetFieldValue<T> (this System.Data.Common.DbDataReader reader, string name);
static member GetFieldValue : System.Data.Common.DbDataReader * string -> 'T
<Extension()>
Public Function GetFieldValue(Of T) (reader As DbDataReader, name As String) As T

Type Parameters

T

The type of the value to be returned.

Parameters

reader
DbDataReader DbDataReader DbDataReader DbDataReader

The data reader to get the column value from.

name
String String String String

The name of the column.

Returns

T T T T

The value of the specified column.

Exceptions

The connection was dropped or closed during data retrieval.

-or-

The data reader was closed during data retrieval.

-or-

There is no data ready to be read (for example, the first Read() hasn't been called, or it returned false).

-or-

The reader tried to read a previously-read column in sequential mode.

-or-

There was an asynchronous operation in progress. This applies to all Get* methods when running in sequential mode, as they could be called while reading a stream.

The value returned by the database doesn't match or cannot be cast to T.

Applies to