protected void PrevNext()
{
int iTotalPages = this.TotalRecords / this.PageSize;
if ((this.TotalRecords % this.PageSize) > 0)
{
iTotalPages++;
}
if (!String.IsNullOrEmpty(this.LinkNext))
{
PagedDataNextPrevLinkPair pair = FindPrevNextCtrl(this.LinkNext);
int iPageNum = this.PageNumber + 1;
bool bShowLink = (iPageNum < this.MaxPage && this.MaxPage > 0) || this.PageNumber < iTotalPages;
SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection.Next, pair, iPageNum, bShowLink);
}
if (!String.IsNullOrEmpty(this.LinkPrev))
{
PagedDataNextPrevLinkPair pair = FindPrevNextCtrl(this.LinkPrev);
int iPageNum = this.PageNumber - 1;
bool bShowLink = this.PageNumber > 1;
SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection.Previous, pair, iPageNum, bShowLink);
}
if (!String.IsNullOrEmpty(this.LinkFirst))
{
PagedDataNextPrevLinkPair pair = FindPrevNextCtrl(this.LinkFirst);
int iPageNum = 1;
bool bShowLink = (this.PageNumber > iPageNum);
SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection.First, pair, iPageNum, bShowLink);
}
if (!String.IsNullOrEmpty(this.LinkLast))
{
PagedDataNextPrevLinkPair pair = FindPrevNextCtrl(this.LinkLast);
int iPageNum = iTotalPages;
if (this.MaxPage > 0)
{
iPageNum = this.MaxPage;
}
bool bShowLink = (this.PageNumber < iPageNum);
SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection.Last, pair, iPageNum, bShowLink);
}
}
protected PagedDataNextPrevLinkPair FindPrevNextCtrl(string sCtrlName)
{
PagedDataNextPrevLinkPair pair = new PagedDataNextPrevLinkPair();
try {
ControlUtilities cu = new ControlUtilities(this.Page);
Control ctrl = cu.FindControl(sCtrlName, this.Page);
pair.LinkWrapper = (PagedDataNextPrevLinkWrapper)ctrl;
if (pair.LinkWrapper == null)
{
pair.PageLink = (PagedDataNextPrevLink)cu.FindControl(sCtrlName, this.Page);
}
else
{
pair.PageLink = (PagedDataNextPrevLink)cu.FindControl(typeof(PagedDataNextPrevLink), pair.LinkWrapper);
}
} catch (Exception ex) { }
return(pair);
}
protected void SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection dir, PagedDataNextPrevLinkPair lnkPair, int iPage, bool ShowLink)
{
if (lnkPair.PageLink != null) {
SetNextPrevLink(dir, lnkPair.PageLink, iPage);
lnkPair.PageLink.Visible = ShowLink;
}
if (lnkPair.LinkWrapper != null) {
lnkPair.LinkWrapper.Visible = ShowLink;
}
}
protected void SetNextPrevLinkVisibility(PagedDataNextPrevLinkWrapper.PagedDataDirection dir, PagedDataNextPrevLinkPair lnkPair, int iPage, bool ShowLink)
{
if (lnkPair.PageLink != null)
{
SetNextPrevLink(dir, lnkPair.PageLink, iPage);
lnkPair.PageLink.Visible = ShowLink;
}
if (lnkPair.LinkWrapper != null)
{
lnkPair.LinkWrapper.Visible = ShowLink;
}
}
protected PagedDataNextPrevLinkPair FindPrevNextCtrl(string sCtrlName)
{
PagedDataNextPrevLinkPair pair = new PagedDataNextPrevLinkPair();
try {
ControlUtilities cu = new ControlUtilities(this.Page);
Control ctrl = cu.FindControl(sCtrlName, this.Page);
pair.LinkWrapper = (PagedDataNextPrevLinkWrapper)ctrl;
if (pair.LinkWrapper == null) {
pair.PageLink = (PagedDataNextPrevLink)cu.FindControl(sCtrlName, this.Page);
} else {
pair.PageLink = (PagedDataNextPrevLink)cu.FindControl(typeof(PagedDataNextPrevLink), pair.LinkWrapper);
}
} catch (Exception ex) { }
return pair;
}