public void spring2_TC315()
        {
            try
            {
                //Declare requried Variable
                string res, errormsg,productName;

                //Retriving Data from Excel
                string serialNo = TestContext.DataRow["serialNo"].ToString();

                //create object for environment
                window = BrowserWindow.Locate("FDAdminDashBoard");
                window.CloseOnPlaybackCleanup = false;

                //create object for page
                w = new WorkOrderPage(window);

                //Call nav_createWorkorder function
                res = w.nav_createWorkorder(window);

                //Call nav_createWorkorder function
                w.AddItem(serialNo);

                //Call nav_createWorkorder function
                productName = w.verifyProductName();

                //Validation
                Assert.AreEqual(productName, "");

                //Call nav_createWorkorder function
                errormsg = w.verifyErrorMsg();

                //Validation
                Assert.AreEqual(errormsg, "Required");
            }
            finally
            {
                //post Condtion
                w.nav_Home();
            }
        }