I used tabstrip and multipage to build tabbed view .user contents dynamic loaded .i test how to get the value by client select row .now i encounter a strange situation. when i open two tabs A and B,I select tab A and click a row in Grid A ,the selected value can be displayed in a textbox well.then i switch to TabB and click one row in GridB,the textbox's value in tab a has been changed .it shows "undefined".