Converts an object value that is DBNull or System.String to an equivalent NullableString value.
Null if x is DBNull otherwise a NullableString constructed from x.
| Exception Type | Condition |
|---|---|
| ArgumentNullException | x is null. |
| InvalidCastException | x is neither DBNull or of type String. |
DBNullConvert Class | NullableTypes.HelperFunctions Namespace