{
if(_pagedatasource != null)
{
if(_previouspagecount != currentpagecount)
{
// 判断当前是第几页
int i = currentpagecount*pagesize-pagesize;
if(i<0)
{
i = 0;
{
if(_pagedatasource != null)
{
if(_previouspagecount != currentpagecount)
{
// 判断当前是第几页
int i = currentpagecount*pagesize-pagesize;
if(i<0)
{
i = 0;