IsEmpty
public void IsEmpty(string key);
Parameter
Value | Type | Description |
---|---|---|
key | string | Column's key value |
Description
It is used to search the data whose key column has no data.
- To search the data whose key column data is null, use the IsNull method.
- This method does not search rows whose data is null.
The key must not begin with a number. If it does, a warning is displayed and Where is not added.
Example
where.IsEmpty(string key);