How to assign the NULL value in the immediate if statement

Question

 

11/8/2018  

byte? SeverityId = null;
SeverityId = arr["SeverityId"].ToString()==""null: Convert.ToByte(arr["SeverityId"].ToString());

Able to do like this

 

if(arr["SeverityId"].ToString()==""  )
{
  SeverityId = null;
}
else
{
SeverityId= Convert.ToByte(arr["SeverityId"].ToString());
}

 But I need in One line.