System.Data.Tests.DataRowViewTest2.CancelEdit C# (CSharp) Метод

        public void CancelEdit()
        {
            DataTable dt = DataProvider.CreateParentDataTable();
            DataView dv = new DataView(dt);

            DataRowView drv = dv[0];

            drv.BeginEdit();
            drv["String1"] = "ChangeValue";

            // check Proposed value
            Assert.Equal("ChangeValue", dt.Rows[0]["String1", DataRowVersion.Proposed]);

            // check IsEdit
            Assert.Equal(true, drv.IsEdit);

            // check Proposed value
            drv.CancelEdit();
            Assert.Equal(false, dt.Rows[0].HasVersion(DataRowVersion.Proposed));

            // check current value
            Assert.Equal("1-String1", dt.Rows[0]["String1", DataRowVersion.Current]);

            // check IsEdit after cancel edit
            Assert.Equal(false, drv.IsEdit);
        }