OracleDataReader.IsDBNull(Int32) Method    
Definition
Important
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Gets a value indicating whether the column contains non-existent or missing values.
public:
 virtual bool IsDBNull(int i);
	public:
 override bool IsDBNull(int i);
	public bool IsDBNull(int i);
	public override bool IsDBNull(int i);
	abstract member IsDBNull : int -> bool
override this.IsDBNull : int -> bool
	override this.IsDBNull : int -> bool
	Public Function IsDBNull (i As Integer) As Boolean
	Public Overrides Function IsDBNull (i As Integer) As Boolean
	Parameters
- i
 - Int32
 
The zero-based column ordinal.
Returns
true if the specified column value is equivalent to DBNull; otherwise, false.
Implements
Remarks
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).