DbDataReader.GetFieldValue<T>(Int32) Method
Definition
Important
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Gets the value of the specified column as the requested type.
public:
generic <typename T>
virtual T GetFieldValue(int ordinal);public virtual T GetFieldValue<T>(int ordinal);abstract member GetFieldValue : int -> 'T
override this.GetFieldValue : int -> 'TPublic Overridable Function GetFieldValue(Of T) (ordinal As Integer) As T- T
The type of the value to be returned.
- ordinal
- Int32
The zero-based column ordinal.
The value of the specified column.
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 column index is out of range.
The value returned by the database doesn't match or cannot be cast to T.
Applies to
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