Finding null value in Dataset - DataRow.IsNull method vs ==DbNull.Value - c#

Question

What are the benefits of using the c# method DataRow.IsNull to determine a null value over checking if the row equals DbNull.value?

if(ds.Tables[0].Rows[0].I         


        

Answer 1

It gives the table has check null value in rows

if (! DBNull.Value.Equals(dataset.Tables["tablename"].Rows[n][0].ToString())) {
    //enter code here
} else {
  //enter code here
}