private void CreateNumericPager(TableRow row, IPagedDataSource pagedDataSource, bool addFirstLastPageButtons)
{
LinkButton button;
PagerSettings pagerSettings = PagerSettings;
int pageCount = pagedDataSource.PageCount;
int num2 = pagedDataSource.PageIndex + 1;
int pageButtonCount = pagerSettings.PageButtonCount;
int num4 = pageButtonCount;
Int32 FirstDisplayedPageIndex = 0;
int num5 = FirstDisplayedPageIndex + 1;
if (pageCount < num4)
{
num4 = pageCount;
}
int num6 = 1;
int pageIndex = num4;
if (num2 > pageIndex)
{
int num8 = pagedDataSource.PageIndex / pageButtonCount;
bool flag = ((num2 - num5) >= 0) && ((num2 - num5) < pageButtonCount);
if ((num5 > 0) && flag)
{
num6 = num5;
}
else
{
num6 = (num8 * pageButtonCount) + 1;
}
pageIndex = (num6 + pageButtonCount) - 1;
if (pageIndex > pageCount)
{
pageIndex = pageCount;
}
if (((pageIndex - num6) + 1) < pageButtonCount)
{
num6 = Math.Max(1, (pageIndex - pageButtonCount) + 1);
}
FirstDisplayedPageIndex = num6 - 1;
}
if ((addFirstLastPageButtons && (num2 != 1)) && (num6 != 1))
{
IButtonControl control;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string firstPageImageUrl = pagerSettings.FirstPageImageUrl;
if (firstPageImageUrl.Length > 0)
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = firstPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.FirstPageText);
((DataControlImageButton)control).EnableCallback(BuildCallbackArgument(0));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.FirstPageText;
((DataControlPagerLinkButton)control).EnableCallback(BuildCallbackArgument(0));
}
control.CommandName = "Page";
control.CommandArgument = "First";
cell.Controls.Add((Control)control);
}
if (num6 != 1)
{
TableCell cell2 = new TableCell();
row.Cells.Add(cell2);
button = new DataControlPagerLinkButton(this);
button.Text = "...";
button.CommandName = "Page";
button.CommandArgument = (num6 - 1).ToString(NumberFormatInfo.InvariantInfo);
((DataControlPagerLinkButton)button).EnableCallback(BuildCallbackArgument(num6 - 2));
cell2.Controls.Add(button);
}
for (int i = num6; i <= pageIndex; i++)
{
TableCell cell3 = new TableCell();
row.Cells.Add(cell3);
string str2 = i.ToString(NumberFormatInfo.InvariantInfo);
if (i == num2)
{
Label child = new Label();
child.Text = str2;
cell3.Controls.Add(child);
}
else
{
button = new DataControlPagerLinkButton(this);
button.Text = str2;
button.CommandName = "Page";
button.CommandArgument = str2;
((DataControlPagerLinkButton)button).EnableCallback(BuildCallbackArgument(i - 1));
cell3.Controls.Add(button);
}
}
if (pageCount > pageIndex)
{
TableCell cell4 = new TableCell();
row.Cells.Add(cell4);
button = new DataControlPagerLinkButton(this);
button.Text = "...";
button.CommandName = "Page";
button.CommandArgument = (pageIndex + 1).ToString(NumberFormatInfo.InvariantInfo);
((DataControlPagerLinkButton)button).EnableCallback(BuildCallbackArgument(pageIndex));
cell4.Controls.Add(button);
}
bool flag2 = pageIndex == pageCount;
if ((addFirstLastPageButtons && (num2 != pageCount)) && !flag2)
{
IButtonControl control2;
TableCell cell5 = new TableCell();
row.Cells.Add(cell5);
string lastPageImageUrl = pagerSettings.LastPageImageUrl;
if (lastPageImageUrl.Length > 0)
{
control2 = new DataControlImageButton(this);
((DataControlImageButton)control2).ImageUrl = lastPageImageUrl;
((DataControlImageButton)control2).AlternateText = HttpUtility.HtmlDecode(pagerSettings.LastPageText);
((DataControlImageButton)control2).EnableCallback(BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
else
{
control2 = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control2).Text = pagerSettings.LastPageText;
((DataControlPagerLinkButton)control2).EnableCallback(BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
control2.CommandName = "Page";
control2.CommandArgument = "Last";
cell5.Controls.Add((Control)control2);
}
}
///// <summary>
///// 已重写。保证创建子控件
///// </summary>
//public override ControlCollection Controls
//{
// get
// {
// this.EnsureChildControls();
// return base.Controls;
// }
//}
#endregion
#region 四种分页
private void CreateNextPrevPager(TableRow row, IPagedDataSource pagedDataSource, bool addFirstLastPageButtons)
{
PagerSettings pagerSettings = PagerSettings;
string previousPageImageUrl = pagerSettings.PreviousPageImageUrl;
string nextPageImageUrl = pagerSettings.NextPageImageUrl;
bool isFirstPage = pagedDataSource.IsFirstPage;
bool isLastPage = pagedDataSource.IsLastPage;
if (addFirstLastPageButtons && !isFirstPage)
{
IButtonControl control;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string firstPageImageUrl = pagerSettings.FirstPageImageUrl;
if (firstPageImageUrl.Length > 0)
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = firstPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.FirstPageText);
((DataControlImageButton)control).EnableCallback(BuildCallbackArgument(0));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.FirstPageText;
((DataControlPagerLinkButton)control).EnableCallback(BuildCallbackArgument(0));
}
control.CommandName = "Page";
control.CommandArgument = "First";
cell.Controls.Add((Control)control);
}
if (!isFirstPage)
{
IButtonControl control2;
TableCell cell2 = new TableCell();
row.Cells.Add(cell2);
if (previousPageImageUrl.Length > 0)
{
control2 = new DataControlImageButton(this);
((DataControlImageButton)control2).ImageUrl = previousPageImageUrl;
((DataControlImageButton)control2).AlternateText = HttpUtility.HtmlDecode(pagerSettings.PreviousPageText);
((DataControlImageButton)control2).EnableCallback(BuildCallbackArgument(PageIndex - 1));
}
else
{
control2 = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control2).Text = pagerSettings.PreviousPageText;
((DataControlPagerLinkButton)control2).EnableCallback(BuildCallbackArgument(PageIndex - 1));
}
control2.CommandName = "Page";
control2.CommandArgument = "Prev";
cell2.Controls.Add((Control)control2);
}
if (!isLastPage)
{
IButtonControl control3;
TableCell cell3 = new TableCell();
row.Cells.Add(cell3);
if (nextPageImageUrl.Length > 0)
{
control3 = new DataControlImageButton(this);
((DataControlImageButton)control3).ImageUrl = nextPageImageUrl;
((DataControlImageButton)control3).AlternateText = HttpUtility.HtmlDecode(pagerSettings.NextPageText);
((DataControlImageButton)control3).EnableCallback(BuildCallbackArgument(PageIndex + 1));
}
else
{
control3 = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control3).Text = pagerSettings.NextPageText;
((DataControlPagerLinkButton)control3).EnableCallback(BuildCallbackArgument(PageIndex + 1));
}
control3.CommandName = "Page";
control3.CommandArgument = "Next";
cell3.Controls.Add((Control)control3);
}
if (addFirstLastPageButtons && !isLastPage)
{
IButtonControl control4;
TableCell cell4 = new TableCell();
row.Cells.Add(cell4);
string lastPageImageUrl = pagerSettings.LastPageImageUrl;
if (lastPageImageUrl.Length > 0)
{
control4 = new DataControlImageButton(this);
((DataControlImageButton)control4).ImageUrl = lastPageImageUrl;
((DataControlImageButton)control4).AlternateText = HttpUtility.HtmlDecode(pagerSettings.LastPageText);
((DataControlImageButton)control4).EnableCallback(BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
else
{
control4 = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control4).Text = pagerSettings.LastPageText;
((DataControlPagerLinkButton)control4).EnableCallback(BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
control4.CommandName = "Page";
control4.CommandArgument = "Last";
cell4.Controls.Add((Control)control4);
}
}
