System.Data.Tests.DataColumnCollectionTest2.TestCanRemove_Expression C# (CSharp) Method

        public void TestCanRemove_Expression()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("col1", typeof(string));
            dt.Columns.Add("col2", typeof(string), "sum(col1)");

            Assert.Equal(false, dt.Columns.CanRemove(dt.Columns["col1"]));
        }