System.Data.Tests.DataTableCollectionTest2.Add C# (CSharp) Метод

        public void Add()
        {
            // Adding computed column to a data set
            var ds = new DataSet();
            ds.Tables.Add(new DataTable("Table"));
            ds.Tables[0].Columns.Add(new DataColumn("EmployeeNo", typeof(string)));
            ds.Tables[0].Rows.Add(new object[] { "Maciek" });
            ds.Tables[0].Columns.Add("ComputedColumn", typeof(object), "EmployeeNo");

            Assert.Equal("EmployeeNo", ds.Tables[0].Columns["ComputedColumn"].Expression);
        }