void CreatePagerButton(TableRow row, string imageUrl, string text, int pageIndex, string cmdArgument, bool noLink)
{
TableCell cell = new TableCell();
cell.Attributes["nowrap"] = "true";
if (!noLink)
{
IButtonControl btnCtrl;
if (!string.IsNullOrEmpty(imageUrl))
{
btnCtrl = new DataControlImageButton(this);
((DataControlImageButton)btnCtrl).ImageUrl = imageUrl;
((DataControlImageButton)btnCtrl).AlternateText = HttpUtility.HtmlDecode(text);
((DataControlImageButton)btnCtrl).ToolTip = text;
((DataControlImageButton)btnCtrl).EnableCallback(this.BuildCallbackArgument(pageIndex));
}
else
{
btnCtrl = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)btnCtrl).Text = text;
((DataControlPagerLinkButton)btnCtrl).ToolTip = text;
((DataControlPagerLinkButton)btnCtrl).EnableCallback(this.BuildCallbackArgument(pageIndex));
}
btnCtrl.CommandName = "Page";
btnCtrl.CommandArgument = cmdArgument;
if (!string.IsNullOrEmpty(this.FooterLinkCSS))
((WebControl)btnCtrl).CssClass = this.FooterLinkCSS;
cell.Controls.Add((Control)btnCtrl);
}
else
{
Control ctrl = null;
if (!string.IsNullOrEmpty(imageUrl))
{
ctrl = new System.Web.UI.WebControls.Image();
((System.Web.UI.WebControls.Image)ctrl).ImageUrl = imageUrl;
((System.Web.UI.WebControls.Image)ctrl).AlternateText = HttpUtility.HtmlDecode(text);
((System.Web.UI.WebControls.Image)ctrl).ToolTip = text;
}
else
{
ctrl = new Label();
((Label)ctrl).Text = text;
((Label)ctrl).ToolTip = text;
}
cell.Controls.Add(ctrl);
}
row.Cells.Add(cell);
}
void CreateNumericPager(TableRow row, PagedDataSourceEx pagedDataSource, bool addFirstLastPageButtons)
{
LinkButton button = null;
PagerSettingsEx pagerSettings = this.PagerSettings;
int pageCount = pagedDataSource.PageCount;
int nextPageIndex = pagedDataSource.CurrentPageIndex + 1;
int pageButtonCount = pagerSettings.PageButtonCount;
int firstDisplayPageIndex = this.FirstDisplayPageIndex + 1;
int pageIndex = (pageCount < pageButtonCount) ? pageCount : pageButtonCount;
int startIndex = 1;
if (nextPageIndex > pageIndex)
{
if (firstDisplayPageIndex > 0 && ((nextPageIndex - firstDisplayPageIndex >= 0) && (nextPageIndex - firstDisplayPageIndex < pageButtonCount)))
startIndex = firstDisplayPageIndex;
else
startIndex = (pagedDataSource.CurrentPageIndex / pageButtonCount) + 1;
pageIndex = startIndex + pageButtonCount - 1;
if (pageIndex > pageCount)
pageIndex = pageCount;
if ((pageIndex - startIndex) + 1 < pageButtonCount)
startIndex = Math.Max(1, (pageIndex - pageButtonCount + 1));
this.FirstDisplayPageIndex = startIndex - 1;
}
#region 首页
if (addFirstLastPageButtons && (nextPageIndex != 1) && (startIndex != 1))
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string firstPageImageUrl = pagerSettings.FirstPageImageUrl;
if (!string.IsNullOrEmpty(firstPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = firstPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.FirstPageText);
((DataControlImageButton)control).ToolTip = "第一页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(0));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.FirstPageText;
((DataControlPagerLinkButton)control).ToolTip = "第一页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(0));
}
control.CommandName = "Page";
control.CommandArgument = "First";
cell.Controls.Add((Control)control);
}
#endregion
#region 前更多
if (startIndex != 1)
{
TableCell cell = new TableCell();
row.Cells.Add(cell);
button = new DataControlPagerLinkButton(this);
button.Text = "...";
button.ToolTip = "更多...";
button.CommandName = "Page";
button.CommandArgument = (startIndex - 1).ToString(NumberFormatInfo.InvariantInfo);
((DataControlPagerLinkButton)button).EnableCallback(this.BuildCallbackArgument(startIndex - 2));
cell.Controls.Add(button);
}
#endregion
#region 页索引
for (int i = startIndex; i <= pageIndex; i++)
{
TableCell cell = new TableCell();
row.Cells.Add(cell);
string str = i.ToString(NumberFormatInfo.InvariantInfo);
if (i == nextPageIndex)
{
Label child = new Label();
child.Text = str;
cell.Controls.Add(child);
}
else
{
button = new DataControlPagerLinkButton(this);
button.Text = str;
button.ToolTip = str;
button.CommandName = "Page";
button.CommandArgument = str;
((DataControlPagerLinkButton)button).EnableCallback(this.BuildCallbackArgument(i - 1));
cell.Controls.Add(button);
}
}
#endregion
#region 后更多
if (pageCount > pageIndex)
{
TableCell cell = new TableCell();
row.Cells.Add(cell);
button = new DataControlPagerLinkButton(this);
button.Text = "...";
button.ToolTip = "更多...";
button.CommandName = "Page";
button.CommandArgument = (pageIndex + 1).ToString(NumberFormatInfo.InvariantInfo);
((DataControlPagerLinkButton)button).EnableCallback(this.BuildCallbackArgument(pageIndex));
cell.Controls.Add(button);
}
#endregion
#region 末页
if (addFirstLastPageButtons && (nextPageIndex != pageCount) && (pageIndex != pageCount))
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string lastPageImageUrl = pagerSettings.LastPageImageUrl;
if (!string.IsNullOrEmpty(lastPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = lastPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.LastPageText);
((DataControlImageButton)control).ToolTip = "最后页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.LastPageText;
((DataControlPagerLinkButton)control).ToolTip = "最后页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
control.CommandName = "Page";
control.CommandArgument = "Last";
cell.Controls.Add((Control)control);
}
#endregion
}
void CreateNextPrevPager(TableRow row, PagedDataSourceEx pagedDataSource, bool addFirstLastPageButtons)
{
PagerSettingsEx pagerSettings = this.PagerSettings;
string previousPageImageUrl = pagerSettings.PreviousPageImageUrl;
string nextPageImageUrl = pagerSettings.NextPageImageUrl;
bool isFirstPage = pagedDataSource.IsFirstPage;
bool isLastPage = pagedDataSource.IsLastPage;
#region 第一页
if (addFirstLastPageButtons && !isFirstPage)
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string firstPageImageUrl = pagerSettings.FirstPageImageUrl;
if (!string.IsNullOrEmpty(firstPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = firstPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.FirstPageText);
((DataControlImageButton)control).ToolTip = "第一页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(0));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.FirstPageText;
((DataControlPagerLinkButton)control).ToolTip = "第一页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(0));
}
control.CommandName = "Page";
control.CommandArgument = "First";
cell.Controls.Add((Control)control);
}
#endregion
#region 上一页
if (!isFirstPage)
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
if (!string.IsNullOrEmpty(previousPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = previousPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.PreviousPageText);
((DataControlImageButton)control).ToolTip = "上一页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(this.PageIndex - 1));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.PreviousPageText;
((DataControlPagerLinkButton)control).ToolTip = "上一页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(this.PageIndex - 1));
}
control.CommandName = "Page";
control.CommandArgument = "Prev";
cell.Controls.Add((Control)control);
}
#endregion
#region 下一页
if (!isLastPage)
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
if (!string.IsNullOrEmpty(nextPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = nextPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.NextPageText);
((DataControlImageButton)control).ToolTip = "下一页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(this.PageIndex + 1));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.NextPageText;
((DataControlPagerLinkButton)control).ToolTip = "下一页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(this.PageIndex + 1));
}
control.CommandName = "Page";
control.CommandArgument = "Next";
cell.Controls.Add((Control)control);
}
#endregion
#region 最后页
if (addFirstLastPageButtons && !isLastPage)
{
IButtonControl control = null;
TableCell cell = new TableCell();
row.Cells.Add(cell);
string lastPageImageUrl = pagerSettings.LastPageImageUrl;
if (!string.IsNullOrEmpty(lastPageImageUrl))
{
control = new DataControlImageButton(this);
((DataControlImageButton)control).ImageUrl = lastPageImageUrl;
((DataControlImageButton)control).AlternateText = HttpUtility.HtmlDecode(pagerSettings.LastPageText);
((DataControlImageButton)control).ToolTip = "最后页";
((DataControlImageButton)control).EnableCallback(this.BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
else
{
control = new DataControlPagerLinkButton(this);
((DataControlPagerLinkButton)control).Text = pagerSettings.LastPageText;
((DataControlPagerLinkButton)control).ToolTip = "最后页";
((DataControlPagerLinkButton)control).EnableCallback(this.BuildCallbackArgument(pagedDataSource.PageCount - 1));
}
control.CommandName = "Page";
control.CommandArgument = "Last";
cell.Controls.Add((Control)control);
}
#endregion
}
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);
}
}
/// <summary>
/// 将文本或控件添加到单元格的控件集合中。
/// </summary>
/// <param name="cell"></param>
/// <param name="cellType"></param>
/// <param name="rowState"></param>
/// <param name="rowIndex"></param>
public virtual void InitializeCell(DataControlFieldCellEx cell, DataControlCellType cellType, DataGridViewRowState rowState, int rowIndex)
{
WebControl control = null;
string sortExpression = string.Empty, headerText = string.Empty;
ImageButton button = null;
switch (cellType)
{
case DataControlCellType.Header:
{
control = null;
sortExpression = this.SortExpression;
bool bSort = this.sortingEnabled && !string.IsNullOrEmpty(sortExpression);
string headerImageUrl = this.HeaderImageUrl;
headerText = this.HeaderText;
if (string.IsNullOrEmpty(headerImageUrl))
{
if (bSort)
{
LinkButton link = null;
IPostBackContainer container = this.control as IPostBackContainer;
if (container != null)
{
link = new DataControlLinkButton(container);
((DataControlLinkButton)link).EnableCallback(null);
}
else
link = new LinkButton();
link.Text = headerText;
link.CommandName = "Sort";
link.CommandArgument = sortExpression;
if (!(link is DataControlLinkButton))
link.CausesValidation = false;
control = link;
}
else
{
if (string.IsNullOrEmpty(headerText))
headerText = " ";
cell.Text = headerText;
}
goto Label_015C;
}
if (!bSort && !string.IsNullOrEmpty(headerImageUrl))
{
Image image = new Image();
image.ImageUrl = headerImageUrl;
control = image;
image.AlternateText = headerText;
goto Label_015C;
}
IPostBackContainer contrainer = this.control as IPostBackContainer;
if (contrainer == null)
{
button = new ImageButton();
break;
}
button = new DataControlImageButton(contrainer);
((DataControlImageButton)button).EnableCallback(null);
}
break;
case DataControlCellType.Footer:
{
string footerText = this.FooterText;
if (string.IsNullOrEmpty(footerText))
footerText = " ";
cell.Text = footerText;
}
return;
default:
return;
}
button.ImageUrl = this.HeaderImageUrl;
button.CommandName = "Sort";
button.CommandArgument = sortExpression;
if (!(button is DataControlImageButton))
button.CausesValidation = false;
button.AlternateText = headerText;
control = button;
Label_015C:
if (control != null)
cell.Controls.Add(control);
}
