Which of IsDBNull and IsNull should be used?

Question

If in VB.NET I have DataRow and I want to test whether a column value is Null, should I use:

myDataRow.IsNull(\"Column         


        

Answer 1

I did bit of findings and found interesting facts which provides more insight on usage of DataRow.IsNull OR IsDBNull.

DataRow.IsNull - Gets a value that indicates whether the specified DataColumn contains a null value. Convert.IsDBNull - Returns an indication whether the specified object is of type DBNull.

References: DataRow.IsNull and IsDBNull

The most interesting discussion which provides clear conclusion can be drawn from Performance Consideration

Nearly similar discussion were done earlier, here are references:

Finding null value in dataset datarow isnull...

Most efficient way to check for dbnull...

Avoid checking for datarow isdbnull...