private void WritePagerSection(HtmlTextWriter writer, PagerPosition pos)
{
GridView gridView = Control as GridView;
if ((gridView != null) &&
gridView.AllowPaging &&
((gridView.PagerSettings.Position == pos) || (gridView.PagerSettings.Position == PagerPosition.TopAndBottom)))
{
Table innerTable = null;
if ((pos == PagerPosition.Top) &&
(gridView.TopPagerRow != null) &&
(gridView.TopPagerRow.Cells.Count == 1) &&
(gridView.TopPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.TopPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
}
else if ((pos == PagerPosition.Bottom) &&
(gridView.BottomPagerRow != null) &&
(gridView.BottomPagerRow.Cells.Count == 1) &&
(gridView.BottomPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.BottomPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
}
if ((innerTable != null) && (innerTable.Rows.Count == 1))
{
string className = "AspNet-GridView-Pagination AspNet-GridView-";
className += (pos == PagerPosition.Top) ? "Top " : "Bottom ";
if (gridView.PagerStyle != null)
{
className += gridView.PagerStyle.CssClass;
}
className = className.Trim();
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow row = innerTable.Rows[0];
foreach (TableCell cell in row.Cells)
{
foreach (Control ctrl in cell.Controls)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
/// <summary>
/// Determines if the <paramref name="pagerPosition"/> is one of the defined enumerations. This method is more efficient than using
/// <see cref="Enum.IsDefined" />, since <see cref="Enum.IsDefined" /> uses reflection.
/// </summary>
/// <param name="pagerPosition">An instance of <see cref="PagerPosition" /> to test.</param>
/// <returns>Returns true if <paramref name="pagerPosition"/> is one of the defined items in the enumeration; otherwise returns false.</returns>
public static bool IsValidPagerPosition(PagerPosition pagerPosition)
{
switch (pagerPosition)
{
case PagerPosition.Top:
case PagerPosition.Bottom:
case PagerPosition.TopAndBottom:
break;
default:
return(false);
}
return(true);
}
public SearchResults(DtoDataSet results, string tableId = "", int recordsPerPage = 50,
int recordLimit = int.MaxValue, int currentPage = 1, int tableIndex = 0,
string tableCaption = "Search Results", PagerPosition pagerPosition = PagerPosition.Top,
Dictionary <string, string> specialColumnAliases = null) : this()
{
//OverWrite Default Values From Default Constructor Value If Need To
TableIndex = tableIndex;
RecordsPerPage = recordsPerPage;
RecordLimit = recordLimit;
TableCaption = tableCaption;
PagerPosition = pagerPosition;
SpecialColumnAliases = specialColumnAliases;
//If user doesn't specify an Id field stick with the random generated Id if its provided. Else generate another unique id
if (!string.IsNullOrWhiteSpace(tableId))
{
TableId = tableId;
}
//If its null want to set it to new object to display error messages
if (results == null)
{
Results = new DtoDataSet();
}
else
{
Results = results;
}
if (string.IsNullOrWhiteSpace(Results.Error) && Results.Ds.Tables != null &&
Results.Ds.Tables.Count != 0 &&
Results.Ds.Tables[TableIndex].Rows.Count != 0)
{
if (Results.Ds.Tables[TableIndex].Rows.Count > RecordLimit)
{
Results.Ds = ReplaceTable(Results.Ds, TableIndex,
GetNRows(Results.Ds.Tables[TableIndex], RecordLimit));
}
RecordCount = Results.Ds.Tables[TableIndex].Rows.Count;
TotalPages = CountPages(RecordCount, RecordsPerPage);
}
if (CurrentPage != currentPage && currentPage > 0 && currentPage <= TotalPages)
{
CurrentPage = currentPage;
}
}
private void Pager(HtmlTextWriter writer, PagerPosition pos)
{
//paging is not optimzed for jobs more than 1000, please extend
//this code to handle more paging your self.
var gridView = Control as GridView;
if (gridView != null && (gridView.AllowPaging && gridView.PageCount > 1))
{
Table innerTable = null;
//will gets pager on top
switch (pos)
{
case PagerPosition.Top:
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
break;
default:
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
break;
}
//we are not using top & Bottom for now.
if (innerTable != null)
{
var className = string.Empty;
className += gridView.PagerStyle.CssClass;
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow row = innerTable.Rows[0];
foreach (Control ctrl in from TableCell cell in row.Cells from Control ctrl in cell.Controls select ctrl)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
private void Pager(HtmlTextWriter writer, PagerPosition pos)
{
//paging is not optimzed for jobs more than 1000, please extend
//this code to handle more paging your self.
var gridView = Control as GridView;
if (gridView != null && (gridView.AllowPaging && gridView.PageCount > 1))
{
Table innerTable = null;
//will gets pager on top
switch (pos)
{
case PagerPosition.Top:
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
break;
default:
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
break;
}
//we are not using top & Bottom for now.
if (innerTable != null)
{
var className = string.Empty;
className += gridView.PagerStyle.CssClass;
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow row = innerTable.Rows[0];
foreach (Control ctrl in from TableCell cell in row.Cells from Control ctrl in cell.Controls select ctrl)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
protected override void Render(HtmlTextWriter writer)
{
try
{
if (this.VirtualItemCount > 0 || this.Rows.Count > 0)
{
bool ShowTop = false, ShowBottom = false;
if (AllowPaging && Visible && VirtualItemCount > 0)
{
PagerPosition CurrentPosition = this.PagerSettings.Position;
ShowTop = CurrentPosition == PagerPosition.Top || CurrentPosition == PagerPosition.TopAndBottom;
ShowBottom = CurrentPosition == PagerPosition.Bottom || CurrentPosition == PagerPosition.TopAndBottom;
}
string PagingText = string.Format(ResourceManager.GetResource("ui.gridview.pagertext"),
this.VirtualItemCount, this.PageCount, this.CurrentPageIndex + 1);
if (ShowTop)
{
writer.Write(PagingText);
}
base.Render(writer);
if (ShowBottom)
{
writer.Write(PagingText);
}
}
else
{
base.Render(writer);
writer.Write(ResourceManager.GetResource("ui.gridview.nodata"));
}
}
catch (Exception ex)
{
ExceptionManager.Publish(ex);
base.Render(writer);
}
}
protected virtual void BuildPaging(HtmlTextWriter writer, PagerPosition position)
{
if (AllowPaging && (DataItemCount > 0) && PagerSettings.Visible &&
(PagerSettings.Position == position || PagerSettings.Position == PagerPosition.TopAndBottom))
{
if (PagerTemplate == null)
{
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", _classPagination);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
int start = 0;
int end = this.DataItemCount;
int pages = end;
// Check if we need to display the first and last links
bool bIncludeFirstLast = (this.PagerSettings.Mode == PagerButtons.NextPreviousFirstLast)
|| (this.PagerSettings.Mode == PagerButtons.NumericFirstLast);
// Identify which mode of paging we are using
switch (this.PagerSettings.Mode)
{
case PagerButtons.NumericFirstLast:
case PagerButtons.Numeric:
// Update start/end/pages
bool bExceededPageButtonCount = pages > this.PagerSettings.PageButtonCount;
if (bExceededPageButtonCount)
{
start = (PageIndex / PagerSettings.PageButtonCount) * PagerSettings.PageButtonCount;
end = Math.Min(start + PagerSettings.PageButtonCount, DataItemCount);
}
// Write first page link
if (bIncludeFirstLast)
{
if (this.PageIndex > 0)
{
WritePagingLink(writer, this.PagerSettings.FirstPageText, 1, _classFirstPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.FirstPageText, _classFirstPage, _classPagingLinkDisabled);
}
}
// Write first other pages link
if (bExceededPageButtonCount && (start > 0))
{
WritePagingLink(writer, "...", start, _classOtherPage);
}
// Write page links
for (int iDataItem = start; iDataItem < end; iDataItem++)
{
string strPage = (iDataItem + 1).ToString();
if (PageIndex == iDataItem)
{
WritePagingLink(writer, strPage, _classOtherPage, _classActivePage);
}
else
{
WritePagingLink(writer, strPage, iDataItem + 1, _classOtherPage);
}
}
// Write last other pages link
if (bExceededPageButtonCount && (end < DataItemCount))
{
WritePagingLink(writer, "...", end + 1, _classOtherPage);
}
// Write last page link
if (bIncludeFirstLast)
{
if (this.PageIndex < (this.DataItemCount - 1))
{
WritePagingLink(writer, this.PagerSettings.LastPageText, this.DataItemCount, _classLastPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.LastPageText, _classLastPage, _classPagingLinkDisabled);
}
}
break;
case PagerButtons.NextPreviousFirstLast:
case PagerButtons.NextPrevious:
// Write first page link
// Only implemented when displaying paging links as text instead of an image
if (bIncludeFirstLast)
{
if (String.IsNullOrEmpty(this.PagerSettings.FirstPageImageUrl))
{
if (this.PageIndex > start)
{
WritePagingLink(writer, this.PagerSettings.FirstPageText, start + 1, _classFirstPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.FirstPageText, _classFirstPage, _classActivePage);
}
}
}
// Write prev page link
// Only implemented when displaying paging links as text instead of an image
if (String.IsNullOrEmpty(this.PagerSettings.PreviousPageImageUrl))
{
// Check if Previous link needs to be disabled
if (this.PageIndex > start)
{
WritePagingLink(writer, this.PagerSettings.PreviousPageText, this.PageIndex, _classPreviousPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.PreviousPageText, _classPreviousPage, _classPagingLinkDisabled);
}
}
// Write next page link
// Only implemented when displaying paging links as text instead of an image
if (String.IsNullOrEmpty(this.PagerSettings.NextPageImageUrl))
{
// Check if Next link needs to be disabled
if (PageIndex < (end - 1))
{
WritePagingLink(writer, this.PagerSettings.NextPageText, this.PageIndex + 2, _classNextPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.NextPageText, _classNextPage, _classPagingLinkDisabled);
}
}
// Write last page link
// Only implemented when displaying paging links as text instead of an image
if (bIncludeFirstLast)
{
if (String.IsNullOrEmpty(this.PagerSettings.LastPageImageUrl))
{
if (this.PageIndex < (end - 1))
{
WritePagingLink(writer, this.PagerSettings.LastPageText, pages, _classLastPage);
}
else
{
WritePagingLink(writer, this.PagerSettings.LastPageText, _classLastPage, _classActivePage);
}
}
}
break;
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
else // PagerTemplate != null
{
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", _classPagination);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow pagerRow;
if (position == PagerPosition.Top)
{
pagerRow = TopPagerRow;
}
else
{
pagerRow = BottomPagerRow;
}
foreach (TableCell cell in pagerRow.Cells)
{
foreach (Control ctrl in cell.Controls)
{
ctrl.RenderControl(writer);
}
}
writer.Indent--;
writer.WriteEndTag("div");
}
}
}
/// <remarks>
/// Patch provided by Wizzard to support PagerTemplate (CodePlex issue #3368).
/// </remarks>
private void WritePagerSection(HtmlTextWriter writer, PagerPosition pos)
{
GridView gridView = Control as GridView;
if ((gridView != null) &&
gridView.AllowPaging &&
gridView.PagerSettings.Visible &&
(gridView.PageCount > 1) &&
((gridView.PagerSettings.Position == pos) || (gridView.PagerSettings.Position == PagerPosition.TopAndBottom)))
{
GridViewRow pagerRow = (pos == PagerPosition.Top) ? gridView.TopPagerRow : gridView.BottomPagerRow;
string className = GetRowClass(gridView, pagerRow);
className += " AspNet-GridView-" + (pos == PagerPosition.Top ? "Top " : "Bottom ");
//check for PagerTemplate
if (gridView.PagerTemplate != null)
{
if (gridView.PagerStyle != null)
{
className += gridView.PagerStyle.CssClass;
}
className = className.Trim();
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
if (pagerRow != null)
{
foreach (TableCell cell in pagerRow.Cells)
{
foreach (Control ctrl in cell.Controls)
{
ctrl.RenderControl(writer);
}
}
}
writer.Indent--;
writer.WriteEndTag("div");
}
else //if not a PagerTemplate
{
Table innerTable = null;
if ((pos == PagerPosition.Top) &&
(gridView.TopPagerRow != null) &&
(gridView.TopPagerRow.Cells.Count == 1) &&
(gridView.TopPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.TopPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
}
else if ((pos == PagerPosition.Bottom) &&
(gridView.BottomPagerRow != null) &&
(gridView.BottomPagerRow.Cells.Count == 1) &&
(gridView.BottomPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.BottomPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
}
if ((innerTable != null) && (innerTable.Rows.Count == 1))
{
if (gridView.PagerStyle != null)
{
className += gridView.PagerStyle.CssClass;
}
className = className.Trim();
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
TableRow row = innerTable.Rows[0];
foreach (TableCell cell in row.Cells)
{
foreach (Control ctrl in cell.Controls)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
}
public NextPreviousPager SetPosition(PagerPosition position)
{
Position = position;
return this;
}
public NextPreviousPager(string nextText, string nextUrl, string prevText, string prevUrl, IconType nextIcon = null, IconType prevIcon = null, PagerPosition position = PagerPosition.Center, string clientId = null)
: base("_NextPreviousPager", clientId)
{
SetNext(nextText, nextUrl, nextIcon).SetPrevious(prevText, prevUrl, prevIcon).SetPosition(position);
}
/// <summary>
/// Writes the pager section.
/// </summary>
/// <param name="writer">
/// The writer.
/// </param>
/// <param name="pos">
/// The pos.
/// </param>
/// <remarks>
/// </remarks>
private void WritePagerSection(HtmlTextWriter writer, PagerPosition pos)
{
var gridView = this.Control as GridView;
if ((gridView != null) && gridView.AllowPaging &&
((gridView.PagerSettings.Position == pos) ||
(gridView.PagerSettings.Position == PagerPosition.TopAndBottom)))
{
Table innerTable = null;
if ((pos == PagerPosition.Top) && (gridView.TopPagerRow != null) &&
(gridView.TopPagerRow.Cells.Count == 1) && (gridView.TopPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.TopPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
}
else if ((pos == PagerPosition.Bottom) && (gridView.BottomPagerRow != null) &&
(gridView.BottomPagerRow.Cells.Count == 1) &&
(gridView.BottomPagerRow.Cells[0].Controls.Count == 1) &&
typeof(Table).IsAssignableFrom(gridView.BottomPagerRow.Cells[0].Controls[0].GetType()))
{
innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
}
if ((innerTable != null) && (innerTable.Rows.Count == 1))
{
var className = "AspNet-GridView-Pagination AspNet-GridView-";
className += (pos == PagerPosition.Top) ? "Top " : "Bottom ";
className += gridView.PagerStyle.CssClass;
className = className.Trim();
writer.WriteLine();
writer.WriteBeginTag("div");
writer.WriteAttribute("class", className);
writer.Write(HtmlTextWriter.TagRightChar);
writer.Indent++;
var row = innerTable.Rows[0];
foreach (TableCell cell in row.Cells)
{
foreach (Control ctrl in cell.Controls)
{
writer.WriteLine();
ctrl.RenderControl(writer);
}
}
writer.Indent--;
writer.WriteLine();
writer.WriteEndTag("div");
}
}
}
public static void SettingPaging(this GridViewSettings gridView, GridData gridData, PagerPosition position = PagerPosition.Bottom)
{
gridView.SettingsPager.Visible = gridData.ShowPager;
if (gridData.ShowPager)
{
gridView.SettingsPager.Position = position;
gridView.SettingsPager.FirstPageButton.Visible = true;
gridView.SettingsPager.LastPageButton.Visible = true;
gridView.SettingsPager.PageSizeItemSettings.Visible = true;
gridView.SettingsPager.PageSizeItemSettings.ShowAllItem = true;
gridView.SettingsPager.EllipsisMode = PagerEllipsisMode.InsideNumeric;
gridView.SettingsPager.PageSizeItemSettings.ShowAllItem = true;
gridView.SettingsPager.PageSizeItemSettings.Items = (gridData.PageSizes != null && gridData.PageSizes.Any()) ? gridData.PageSizes : DefaultPageSizeItems;
gridView.SettingsPager.AlwaysShowPager = false;
}
else
{
gridView.SettingsPager.Mode = GridViewPagerMode.ShowAllRecords;
}
gridView.SettingsPager.EnableAdaptivity = true;
}
/// <summary>
/// Determines if the <paramref name="pagerPosition"/> is one of the defined enumerations. This method is more efficient than using
/// <see cref="Enum.IsDefined" />, since <see cref="Enum.IsDefined" /> uses reflection.
/// </summary>
/// <param name="pagerPosition">An instance of <see cref="PagerPosition" /> to test.</param>
/// <returns>Returns true if <paramref name="pagerPosition"/> is one of the defined items in the enumeration; otherwise returns false.</returns>
public static bool IsValidPagerPosition(PagerPosition pagerPosition)
{
switch (pagerPosition)
{
case PagerPosition.Top:
case PagerPosition.Bottom:
case PagerPosition.TopAndBottom:
break;
default:
return false;
}
return true;
}
public static MvcHtmlString UxNextPrevPager(this HtmlHelper htmlHelper, string nextText = "Next", string nextUrl = null, string previousText = "Previous", string previousUrl = null, IconType nextIcon = null, IconType previousIcon = null, PagerPosition position = PagerPosition.Center, string clientId = null)
{
var pager = new NextPreviousPager(nextText, nextUrl, previousText, previousUrl, nextIcon, previousIcon, position, clientId);
return htmlHelper.RenderUxControl(pager);
}
