The name of the database subnet group to delete. 
 Constraints: 
|  Note: | 
|---|
| You cannot delete the default subnet group. | 
- Must be 1 to 255 alphanumeric characters
- First character must be a letter
- Cannot end with a hyphen or contain two consecutive hyphens
 Declaration Syntax
 Declaration Syntax| C# | 
public string DBSubnetGroupName { get; set; }