How to compare a value of a data table with -1

Hi

i have a data table where i am comparing its values with 0 and i want to add one more condition to compare with -1.

(Convert.ToInt64(ReplaceNull(dsReportData.Tables[intTableCount].Rows[intRowCount][8])) == 0 )

please someone suggest me how to add in or condition to compare with -1