DBNullConvert.ToNullableInt64 Method

Converts an object value that is DBNull or System.Int64 to an equivalent NullableInt64 value.

[Visual Basic]
Public Shared Function ToNullableInt64( _
ByVal x As Object _
) As NullableInt64

[C#]
public static NullableInt64 ToNullableInt64(
object x
);

x: A value of Int64 type from either a DataRow Item value, a Parameters Item value or a IDataRecord GetValue returned value.

Null if x is DBNull otherwise a NullableInt64 constructed from x.

Exception Type	Condition
ArgumentNullException	x is null.
InvalidCastException	x is neither DBNull or of type Int64.