OdbcDataReader.IsDBNull(Int32) Method
Definition
Important
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Gets a value that indicates whether the column contains nonexistent or missing values.
public:
override bool IsDBNull(int i);public:
virtual bool IsDBNull(int i);public override bool IsDBNull (int i);public bool IsDBNull (int i);override this.IsDBNull : int -> boolabstract member IsDBNull : int -> bool
override this.IsDBNull : int -> boolPublic Overrides Function IsDBNull (i As Integer) As BooleanPublic Function IsDBNull (i As Integer) As BooleanParameters
- 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 look for null column values before calling the typed Get methods (for example, GetByte, GetChar, and so on).
Applies to
See also
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