Initial project's source code check-in.
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ptsurbeleu
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// Material sourced from the bluePortal project (http://blueportal.codeplex.com).
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// Licensed under the Microsoft Public License (available at http://www.opensource.org/licenses/ms-pl.html).
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using System;
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using System.Data;
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using System.Collections;
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using System.Configuration;
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using System.Web;
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using System.Web.Security;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using System.Web.UI.WebControls.WebParts;
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using System.Web.UI.HtmlControls;
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namespace CSSFriendly
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{
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public class GridViewAdapter : System.Web.UI.WebControls.Adapters.WebControlAdapter
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{
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private WebControlAdapterExtender _extender = null;
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private WebControlAdapterExtender Extender
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{
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get
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{
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if (((_extender == null) && (Control != null)) ||
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((_extender != null) && (Control != _extender.AdaptedControl)))
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{
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_extender = new WebControlAdapterExtender(Control);
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}
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System.Diagnostics.Debug.Assert(_extender != null, "CSS Friendly adapters internal error", "Null extender instance");
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return _extender;
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}
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}
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/// ///////////////////////////////////////////////////////////////////////////////
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/// PROTECTED
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protected override void OnInit(EventArgs e)
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{
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base.OnInit(e);
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if (Extender.AdapterEnabled)
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{
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RegisterScripts();
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}
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}
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protected override void RenderBeginTag(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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Extender.RenderBeginTag(writer, "AspNet-GridView");
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}
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else
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{
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base.RenderBeginTag(writer);
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}
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}
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protected override void RenderEndTag(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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Extender.RenderEndTag(writer);
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}
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else
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{
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base.RenderEndTag(writer);
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}
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}
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protected override void RenderContents(HtmlTextWriter writer)
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{
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if (Extender.AdapterEnabled)
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{
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GridView gridView = Control as GridView;
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if (gridView != null)
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{
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writer.Indent++;
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WritePagerSection(writer, PagerPosition.Top);
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writer.WriteLine();
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writer.WriteBeginTag("table");
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writer.WriteAttribute("id", gridView.ClientID);
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writer.WriteAttribute("cellpadding", "0");
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writer.WriteAttribute("cellspacing", "0");
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writer.WriteAttribute("summary", Control.ToolTip);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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ArrayList rows = new ArrayList();
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GridViewRowCollection gvrc = null;
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///////////////////// HEAD /////////////////////////////
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rows.Clear();
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if (gridView.ShowHeader && (gridView.HeaderRow != null))
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{
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rows.Add(gridView.HeaderRow);
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}
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gvrc = new GridViewRowCollection(rows);
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WriteRows(writer, gridView, gvrc, "thead");
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///////////////////// FOOT /////////////////////////////
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rows.Clear();
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if (gridView.ShowFooter && (gridView.FooterRow != null))
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{
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rows.Add(gridView.FooterRow);
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}
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gvrc = new GridViewRowCollection(rows);
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WriteRows(writer, gridView, gvrc, "tfoot");
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///////////////////// BODY /////////////////////////////
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WriteRows(writer, gridView, gridView.Rows, "tbody");
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////////////////////////////////////////////////////////
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("table");
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WriteEmptyTextSection(writer);
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WritePagerSection(writer, PagerPosition.Bottom);
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writer.Indent--;
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writer.WriteLine();
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}
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}
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else
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{
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base.RenderContents(writer);
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}
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}
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/// ///////////////////////////////////////////////////////////////////////////////
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/// PRIVATE
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private void RegisterScripts()
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{
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}
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private void WriteRows(HtmlTextWriter writer, GridView gridView, GridViewRowCollection rows, string tableSection)
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{
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if (rows.Count > 0)
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{
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writer.WriteLine();
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writer.WriteBeginTag(tableSection);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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foreach (GridViewRow row in rows)
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{
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writer.WriteLine();
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writer.WriteBeginTag("tr");
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string className = GetRowClass(gridView, row);
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if (!String.IsNullOrEmpty(className))
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{
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writer.WriteAttribute("class", className);
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}
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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int i = 0;
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foreach (TableCell cell in row.Cells)
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{
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if (!gridView.Columns[i++].Visible)
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continue;
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DataControlFieldCell fieldCell = cell as DataControlFieldCell;
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if(tableSection == "tbody" && fieldCell != null
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&& (fieldCell.Text.Trim() == "") && fieldCell.Controls.Count == 0)
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cell.Controls.Add(new LiteralControl("<div style=\"width:1px;height:1px;\"> </div>"));
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else if (tableSection == "thead" && fieldCell != null
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&& !String.IsNullOrEmpty(gridView.SortExpression)
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&& fieldCell.ContainingField.SortExpression == gridView.SortExpression)
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{
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cell.Attributes["class"] = "AspNet-GridView-Sort";
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}
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if ((fieldCell != null) && (fieldCell.ContainingField != null))
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{
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DataControlField field = fieldCell.ContainingField;
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if (!field.Visible)
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{
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cell.Visible = false;
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}
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if (field.ItemStyle.Width != Unit.Empty)
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cell.Style["width"] = field.ItemStyle.Width.ToString();
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if (!field.ItemStyle.Wrap)
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cell.Style["white-space"] = "nowrap";
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if ((field.ItemStyle != null) && (!String.IsNullOrEmpty(field.ItemStyle.CssClass)))
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{
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if (!String.IsNullOrEmpty(cell.CssClass))
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{
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cell.CssClass += " ";
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}
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cell.CssClass += field.ItemStyle.CssClass;
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}
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}
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writer.WriteLine();
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cell.RenderControl(writer);
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}
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("tr");
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}
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag(tableSection);
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}
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}
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private string GetRowClass(GridView gridView, GridViewRow row)
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{
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string className = "";
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if ((row.RowState & DataControlRowState.Alternate) == DataControlRowState.Alternate)
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{
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className += " AspNet-GridView-Alternate ";
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if (gridView.AlternatingRowStyle != null)
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{
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className += gridView.AlternatingRowStyle.CssClass;
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}
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}
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if ((row.RowState & DataControlRowState.Edit) == DataControlRowState.Edit)
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{
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className += " AspNet-GridView-Edit ";
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if (gridView.EditRowStyle != null)
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{
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className += gridView.EditRowStyle.CssClass;
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}
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}
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if ((row.RowState & DataControlRowState.Insert) == DataControlRowState.Insert)
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{
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className += " AspNet-GridView-Insert ";
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}
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if ((row.RowState & DataControlRowState.Selected) == DataControlRowState.Selected)
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{
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className += " AspNet-GridView-Selected ";
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if (gridView.SelectedRowStyle != null)
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{
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className += gridView.SelectedRowStyle.CssClass;
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}
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}
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return className.Trim();
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}
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private void WriteEmptyTextSection(HtmlTextWriter writer)
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{
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GridView gridView = Control as GridView;
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if (gridView != null && gridView.Rows.Count == 0)
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{
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string className = "AspNet-GridView-Empty";
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writer.WriteLine();
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writer.WriteBeginTag("div");
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writer.WriteAttribute("class", className);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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writer.Write(gridView.EmptyDataText);
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("div");
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}
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}
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private void WritePagerSection(HtmlTextWriter writer, PagerPosition pos)
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{
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GridView gridView = Control as GridView;
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if ((gridView != null) &&
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gridView.AllowPaging &&
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((gridView.PagerSettings.Position == pos) || (gridView.PagerSettings.Position == PagerPosition.TopAndBottom)))
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{
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Table innerTable = null;
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if ((pos == PagerPosition.Top) &&
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(gridView.TopPagerRow != null) &&
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(gridView.TopPagerRow.Cells.Count == 1) &&
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(gridView.TopPagerRow.Cells[0].Controls.Count == 1) &&
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typeof(Table).IsAssignableFrom(gridView.TopPagerRow.Cells[0].Controls[0].GetType()))
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{
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innerTable = gridView.TopPagerRow.Cells[0].Controls[0] as Table;
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}
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else if ((pos == PagerPosition.Bottom) &&
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(gridView.BottomPagerRow != null) &&
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(gridView.BottomPagerRow.Cells.Count == 1) &&
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(gridView.BottomPagerRow.Cells[0].Controls.Count == 1) &&
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typeof(Table).IsAssignableFrom(gridView.BottomPagerRow.Cells[0].Controls[0].GetType()))
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{
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innerTable = gridView.BottomPagerRow.Cells[0].Controls[0] as Table;
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}
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if ((innerTable != null) && (innerTable.Rows.Count == 1))
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{
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string className = "AspNet-GridView-Pagination AspNet-GridView-";
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className += (pos == PagerPosition.Top) ? "Top " : "Bottom ";
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if (gridView.PagerStyle != null)
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{
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className += gridView.PagerStyle.CssClass;
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}
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className = className.Trim();
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writer.WriteLine();
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writer.WriteBeginTag("div");
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writer.WriteAttribute("class", className);
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writer.Write(HtmlTextWriter.TagRightChar);
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writer.Indent++;
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TableRow row = innerTable.Rows[0];
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foreach (TableCell cell in row.Cells)
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{
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foreach (Control ctrl in cell.Controls)
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{
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writer.WriteLine();
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ctrl.RenderControl(writer);
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}
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}
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writer.Indent--;
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writer.WriteLine();
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writer.WriteEndTag("div");
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}
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}
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}
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}
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}
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