Best method of assigning NULL value to SqlParameter

Question

I have a number of optional input parameters I am using in a C# class method. Since the optional syntax creates a value of \'0\' when the parameter is not used, the SQL inse

Answer 1

Another clear way to set a null datetime parameter when necessary

if(obj.myDate == DateTime.MinValue)
{
    aCommand.Parameters.Add("dateParameter", SqlDbType.Date).Value = DBNull.Value;
}
else
{
    aCommand.Parameters.Add("dateParameter", SqlDbType.Date).Value = obj.myDate ;
}