DbDataRecord.IsDBNull(Int32) Method
Definition
Important
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Used to indicate nonexistent values.
public:
virtual bool IsDBNull(int i);public:
abstract bool IsDBNull(int i);public bool IsDBNull(int i);public abstract bool IsDBNull(int i);abstract member IsDBNull : int -> bool
override this.IsDBNull : int -> boolabstract member IsDBNull : int -> boolPublic Function IsDBNull (i As Integer) As BooleanPublic MustOverride Function IsDBNull (i As Integer) As BooleanParameters
- i
- Int32
The column ordinal.
Returns
true if the specified column is equivalent to DBNull; otherwise false.
Implements
Remarks
Call this method to check for null column values before calling the typed get methods (for example, GetByte, GetChar, and so on) to avoid raising an error.