IDataRecord.IsDBNull(Int32) Method
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Return whether the specified field is set to null.
public:
bool IsDBNull(int i);
public bool IsDBNull (int i);
abstract member IsDBNull : int -> bool
Public Function IsDBNull (i As Integer) As Boolean
- i
- Int32
The index of the field to find.
true
if the specified field is set to null; otherwise, false
.
The index passed was outside the range of 0 through FieldCount.
Call this method to see if there are null column values before calling the typed get methods (for example, GetByte, GetChar, and so on) to avoid raising an error.
Product | Versions |
---|---|
.NET | Core 1.0, Core 1.1, Core 2.0, Core 2.1, Core 2.2, Core 3.0, Core 3.1, 5, 6, 7, 8, 9 |
.NET Framework | 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1 |
.NET Standard | 2.0, 2.1 |
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