Windows apps
Collapse the table of content
Expand the table of content
Information
The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.

OracleDataReader::IsDBNull Method (Int32)

 

Gets a value indicating whether the column contains non-existent or missing values.

Namespace:   System.Data.OracleClient
Assembly:  System.Data.OracleClient (in System.Data.OracleClient.dll)

public:
virtual bool IsDBNull(
	int i
) override

Parameters

i
Type: System::Int32

The zero-based column ordinal.

Return Value

Type: System::Boolean

true if the specified column value is equivalent to DBNull; otherwise, false.

To avoid raising an error, call this method to check for null column values before calling the typed Get methods (for example, GetByte, GetChar, and so on).

.NET Framework
Available since 1.1
Return to top
Show:
© 2017 Microsoft