如何在iphone的表格单元格中显示多行文本?

I am new to iphone development.I am parsing a xml file and displaying the title, date, view and summary in each row of a table.The contents of summary is big ,so only first 3 words are displayed in the cell. I increased the height of the row.Still 3 words are displayed in my cell.How summary should fit properly inside the cell and full content should be displayed.Please help me out.Thanks.I am new to iphone development.I am parsing a x