System.Globalization.CultureInfo cultureinfo = new System.Globalization.CultureInfo("en-US");
CurrentStartTransactionManagement.Text = pTask.StartDate.ToString();
DateTime dt = DateTime.Parse( CurrentStartTransactionManagement.Text , cultureinfo);
DateTime dof = new DateTime();
System.Globalization.CultureInfo c1 = new System.Globalization.CultureInfo("en-US", true);
dof = DateTime.Parse(CurrentStartTransactionManagement.Text.Trim(), c1, System.Globalization.DateTimeStyles.NoCurrentDateDefault);