Sort multiple columns of Windows Datagridview

This code for Sort on multiple columns of Windows Datagridview

								
            BindingSource BS = new BindingSource();
            DataTable testTable = new DataTable();
            testTable.Columns.Add("Column1", typeof(int));
            testTable.Columns.Add("Column2", typeof(string));
            testTable.Columns.Add("Column3", typeof(string));

            testTable.Rows.Add(1, "Value1", "Test1");
            testTable.Rows.Add(2, "Value2", "Test2");
            testTable.Rows.Add(2, "Value2", "Test1");
            testTable.Rows.Add(3, "Value3", "Test3");
            testTable.Rows.Add(4, "Value4", "Test4");
            testTable.Rows.Add(4, "Value4", "Test3");

            DataView view = testTable.DefaultView;
            view.Sort = "Column2 ASC, Column3 ASC";// Sorting Column 2 and column 3
            BS.DataSource = view;

            DataGridViewTextBoxColumn textColumn0 = new DataGridViewTextBoxColumn();
            textColumn0.DataPropertyName = "Column1";
            dataGridView1.Columns.Add(textColumn0);
            textColumn0.SortMode = DataGridViewColumnSortMode.Programmatic;
            textColumn0.HeaderCell.SortGlyphDirection = SortOrder.None;

            DataGridViewTextBoxColumn textColumn1 = new DataGridViewTextBoxColumn();
            textColumn1.DataPropertyName = "Column2";
            dataGridView1.Columns.Add(textColumn1);
            textColumn1.SortMode = DataGridViewColumnSortMode.Programmatic;
            textColumn1.HeaderCell.SortGlyphDirection = SortOrder.Ascending;

            DataGridViewTextBoxColumn textColumn2 = new DataGridViewTextBoxColumn();
            textColumn2.DataPropertyName = "Column3";
            dataGridView1.Columns.Add(textColumn2);
            textColumn2.SortMode = DataGridViewColumnSortMode.Programmatic;
            textColumn2.HeaderCell.SortGlyphDirection = SortOrder.Ascending;

            dataGridView1.DataSource = BS;