We know that if the width of DataGrid is longer so that we can make it easy to clear the line of data, it is easy to make us look wrong, I think if our mouse moves to the DataGrid line, he can clearly show us Ok, now, now we start, first we know that DataGrid is explained in the client to Table so we know that Table has TR and TD composition, TR is line, we only need to join onMouseover on each TR. A javaScript script can implement this function,
