System.Data.Tests.DataTableTest3.MakeSecondChildTable C# (CSharp) Метод

        private void MakeSecondChildTable()
        {
            // Create a new Table
            _secondChildTable = new DataTable("SecondChildTable");
            DataColumn column;
            DataRow row;

            // Create first column and add to the DataTable.
            column = new DataColumn();
            column.DataType = typeof(int);
            column.ColumnName = "ChildID";
            column.AutoIncrement = true;
            column.Caption = "ID";
            column.ReadOnly = true;
            column.Unique = true;

            // Add the column to the DataColumnCollection.
            _secondChildTable.Columns.Add(column);

            // Create second column.
            column = new DataColumn();
            column.DataType = typeof(string);
            column.ColumnName = "ChildItem";
            column.AutoIncrement = false;
            column.Caption = "ChildItem";
            column.ReadOnly = false;
            column.Unique = false;
            _secondChildTable.Columns.Add(column);

            //Create third column.
            column = new DataColumn();
            column.DataType = typeof(int);
            column.ColumnName = "ParentID";
            column.AutoIncrement = false;
            column.Caption = "ParentID";
            column.ReadOnly = false;
            column.Unique = false;
            _secondChildTable.Columns.Add(column);

            //Create fourth column.
            column = new DataColumn();
            column.DataType = typeof(int);
            column.ColumnName = "DepartmentID";
            column.Caption = "DepartmentID";
            column.Unique = false;
            _secondChildTable.Columns.Add(column);

            _dataSet.Tables.Add(_secondChildTable);

            // Create three sets of DataRow objects,
            // five rows each, and add to DataTable.
            for (int i = 0; i <= 1; i++)
            {
                row = _secondChildTable.NewRow();
                row["childID"] = i + 1;
                row["ChildItem"] = "SecondChildItem " + (i + 1);
                row["ParentID"] = 1;
                row["DepartmentID"] = 1;
                _secondChildTable.Rows.Add(row);
            }

            for (int i = 0; i <= 1; i++)
            {
                row = _secondChildTable.NewRow();
                row["childID"] = i + 5;
                row["ChildItem"] = "SecondChildItem " + (i + 1);
                row["ParentID"] = 2;
                row["DepartmentID"] = 2;
                _secondChildTable.Rows.Add(row);
            }

            for (int i = 0; i <= 1; i++)
            {
                row = _secondChildTable.NewRow();
                row["childID"] = i + 10;
                row["ChildItem"] = "SecondChildItem " + (i + 1);
                row["ParentID"] = 3;
                row["DepartmentID"] = 3;
                _secondChildTable.Rows.Add(row);
            }
        }