System.Data.Tests.DataViewTest.BeginInit2 C# (CSharp) Метод

        public void BeginInit2()
        {
            DataTable table = new DataTable("table");
            DataView dv = new DataView();
            DataColumn col1 = new DataColumn("col1");
            DataColumn col2 = new DataColumn("col2");

            _dvInitialized = false;

            dv.Initialized += new EventHandler(OnDataViewInitialized);

            dv.BeginInit();
            table.BeginInit();
            table.Columns.AddRange(new DataColumn[] { col1, col2 });

            dv.Table = table;
            Assert.Null(dv.Table);
            dv.EndInit();

            Assert.Null(dv.Table);
            Assert.Equal(0, table.Columns.Count);

            table.EndInit();

            dv.Initialized -= new EventHandler(OnDataViewInitialized); // this should not be unregistered before table.EndInit().

            Assert.Equal(2, table.Columns.Count);
            Assert.Equal(table, dv.Table);
            Assert.Equal(true, _dvInitialized);
        }