GetBoolean
This method returns the bool value of the specified numeric column.
Declaration
// C#
public override bool GetBoolean(int index);
Parameters
-
index
The zero-based column index.
Return Value
The bool value of the column.
Implements
IDataRecord
Exceptions
InvalidOperationException
- The connection is closed, the reader is closed, Read()
has not been called, or all rows have been read.
IndexOutOfRangeException
- The column index is invalid.
InvalidCastException
- The accessor method is invalid for this column type.
Remarks
-
This method can be called on the
BOOLEAN
column, any numeric database type column (NUMBER
,BINARY_DOUBLE
,BINARY_FLOAT
, andFLOAT
), or any scalar character based column (CHAR
,NCHAR
,VARCHAR2
,NVARCHAR2
). -
For numeric columns,
FALSE
is returned if column value is0
;TRUE
otherwise. -
For scalar character based column (
CHAR
,NCHAR
,VARCHAR2
,NVARCHAR2
),GetBoolean
can be called on Valid String literals.Valid String literals to represent
TRUE
andFALSE
(case insensitive) are as follows:-
For
TRUE
, valid string literals are (case insensitive) -true
,yes
,on
,1
,t
,y
-
For
FALSE
, valid string literals are (case insensitive) -false
,no
,off
,0
,f
,n
If the string literals are anything other than those listed above, then an
InvalidCastException
will be returned when trying to read the value. -
-
IsDBNull
should be called to check forNULL
values before calling this method.