C# PokerGridView.DataBind方法代码示例

		public void GridView_CreateDataSourceSelectArguments ()
		{
			DataSourceView view;
			Page p = new Page ();

			PokerGridView g = new PokerGridView ();
			g.Sorting += new GridViewSortEventHandler (g_Sorting);
			p.Controls.Add (g);

			ObjectDataSource data = new ObjectDataSource ();
			data.TypeName = typeof (DataSourceObject).AssemblyQualifiedName;
			data.SelectMethod = "GetList";
			data.SortParameterName = "sortExpression";
			DataSourceSelectArguments arg;
			p.Controls.Add (data);

			g.DataSource = data;
			g.DataBind ();

			arg = g.DoCreateDataSourceSelectArguments ();
			Assert.IsTrue (arg.Equals (DataSourceSelectArguments.Empty), "Default");

			g.AllowPaging = true;
			g.PageIndex = 2;
			g.PageSize = 3;
			arg = g.DoCreateDataSourceSelectArguments ();
			view = g.DoGetData ();
			Assert.IsFalse (view.CanPage);
			Assert.IsTrue (view.CanRetrieveTotalRowCount);
			Assert.IsTrue (arg.Equals (DataSourceSelectArguments.Empty), "AllowPaging = true, CanPage = false, CanRetrieveTotalRowCount = true");

			// make DataSourceView.CanPage = true
			data.EnablePaging = true;

			arg = g.DoCreateDataSourceSelectArguments ();
			view = g.DoGetData ();
			Assert.IsTrue (view.CanPage);
			Assert.IsFalse (view.CanRetrieveTotalRowCount);
			Assert.IsTrue (arg.Equals (new DataSourceSelectArguments (6, -1)), "AllowPaging = true, CanPage = true, CanRetrieveTotalRowCount = false");

			g.AllowPaging = false;
			arg = g.DoCreateDataSourceSelectArguments ();
			Assert.IsTrue (arg.Equals (DataSourceSelectArguments.Empty), "AllowPaging = false, CanPage = true, CanRetrieveTotalRowCount = false");

			// make DataSourceView.CanRetrieveTotalRowCount = true
			data.SelectCountMethod = "GetCount";

			arg = g.DoCreateDataSourceSelectArguments ();
			Assert.IsTrue (arg.Equals (DataSourceSelectArguments.Empty), "AllowPaging = false, CanPage = true, CanRetrieveTotalRowCount = true");

			g.AllowPaging = true;
			arg = g.DoCreateDataSourceSelectArguments ();
			DataSourceSelectArguments arg1 = new DataSourceSelectArguments (6, 3);
			arg1.RetrieveTotalRowCount = true;
			view = g.DoGetData ();
			Assert.IsTrue (view.CanPage);
			Assert.IsTrue (view.CanRetrieveTotalRowCount);
			Assert.IsTrue (arg.Equals (arg1), "AllowPaging = true, CanPage = true, CanRetrieveTotalRowCount = true");

			g.AllowPaging = false;
			g.AllowSorting = true;
			g.EditIndex = 2;
			g.PageIndex = 1;
			g.Sort ("sort", SortDirection.Descending);

			Assert.AreEqual (2, g.EditIndex, "EditIndex after Sort, Bound by DataSource");
			Assert.AreEqual (1, g.PageIndex, "PageIndex after Sort, Bound by DataSource");
			
			arg = g.DoCreateDataSourceSelectArguments ();
			view = g.DoGetData ();
			Assert.IsTrue (view.CanSort);
			Assert.AreEqual (String.Empty, g.SortExpression, "SortExpression, Bound by DataSource");
			Assert.AreEqual (SortDirection.Ascending, g.SortDirection, "SortDirection, Bound by DataSource");
			Assert.IsTrue (arg.Equals (DataSourceSelectArguments.Empty), "AllowSorting = true, Bound by DataSource");
		}

		public void GridView_PageCount ()
		{
			Page p = new Page ();

			PokerGridView gv = new PokerGridView ();
			gv.PageSize = 3;
			gv.AllowPaging = true;
			p.Controls.Add (gv);

			ObjectDataSource data = new ObjectDataSource ();
			data.ID = "ObjectDataSource1";
			data.TypeName = typeof (DataSourceObject).AssemblyQualifiedName;
			data.SelectMethod = "GetList";
			p.Controls.Add (data);

			gv.DataSourceID = "ObjectDataSource1";
			gv.SetRequiresDataBinding (true);

			Assert.AreEqual (0, gv.PageCount, "PageCount before binding");

			gv.DataBind ();

			Assert.AreEqual (2, gv.PageCount, "PageCount after binding");

			PokerGridView copy = new PokerGridView ();
			copy.DoLoadControlState (gv.DoSaveControlState ());

			Assert.AreEqual (2, copy.PageCount, "PageCount from ViewState");
		}

		public void GridView_DataKeys ()
		{
			Page p = new Page ();

			PokerGridView gv = new PokerGridView ();
			p.Controls.Add (gv);

			ObjectDataSource data = new ObjectDataSource ();
			data.TypeName = typeof (DataObject).AssemblyQualifiedName;
			data.SelectMethod = "Select";
			p.Controls.Add (data);

			gv.DataSource = data;
			gv.DataKeyNames = new string [] { "ID", "FName" };

			DataKeyArray keys1 = gv.DataKeys;

			Assert.AreEqual (0, keys1.Count, "DataKeys count before binding");

			gv.DataBind ();

			DataKeyArray keys2 = gv.DataKeys;
			DataKeyArray keys3 = gv.DataKeys;

			Assert.IsFalse (Object.ReferenceEquals (keys1, keys2), "DataKey returns the same instans");
			Assert.IsTrue (Object.ReferenceEquals (keys2, keys3), "DataKey returns the same instans");

			Assert.AreEqual (1, keys1.Count, "DataKeys count after binding");
			Assert.AreEqual (1001, keys1 [0].Value, "DataKey.Value after binding");
			Assert.AreEqual (2, keys1 [0].Values.Count, "DataKey.Values count after binding");
			Assert.AreEqual (1001, keys1 [0].Values [0], "DataKey.Values[0] after binding");
			Assert.AreEqual ("Mahesh", keys1 [0].Values [1], "DataKey.Values[1] after binding");

			PokerGridView copy = new PokerGridView ();
			object state = gv.DoSaveControlState ();
			copy.DoLoadControlState (state);

			DataKeyArray keys4 = copy.DataKeys;

			Assert.AreEqual (1, keys4.Count, "DataKeys count from ControlState");
			Assert.AreEqual (1001, keys4 [0].Value, "DataKey.Value from ControlState");
			Assert.AreEqual (2, keys4 [0].Values.Count, "DataKey.Values count from ControlState");
			Assert.AreEqual (1001, keys4 [0].Values [0], "DataKey.Values[0] from ControlState");
			Assert.AreEqual ("Mahesh", keys4 [0].Values [1], "DataKey.Values[1] from ControlState");
		}

		public static void GridView_Pager_Load (Page p)
		{
			// TopAndBottom, PageCount = 1
			PokerGridView grid = new PokerGridView ();
			grid.PagerSettings.Position = PagerPosition.TopAndBottom;
			grid.AllowPaging = true;
			p.Form.Controls.Add (grid);

			grid.DataSource = new string [] { "A", "B", "C" };
			grid.DataBind ();

			Assert.AreEqual (1, grid.PageCount, "#1#PageCount");

			Assert.IsNotNull (grid.TopPagerRow, "#1#TopPagerRow");
			Assert.AreEqual (false, grid.TopPagerRow.Visible, "#1#TopPagerRow.Visible");

			Assert.IsNotNull (grid.BottomPagerRow, "#1#BottomPagerRow");
			Assert.AreEqual (false, grid.BottomPagerRow.Visible, "#1#BottomPagerRow.Visible");

			// Top, PageCount = 1
			grid = new PokerGridView ();
			grid.PagerSettings.Position = PagerPosition.Top;
			grid.AllowPaging = true;
			p.Form.Controls.Add (grid);

			grid.DataSource = new string [] { "A", "B", "C" };
			grid.DataBind ();

			Assert.AreEqual (1, grid.PageCount, "#2#PageCount");

			Assert.IsNotNull (grid.TopPagerRow, "#2#TopPagerRow");
			Assert.AreEqual (false, grid.TopPagerRow.Visible, "#2#TopPagerRow.Visible");

			Assert.IsNull (grid.BottomPagerRow, "#2#BottomPagerRow");

			// Bottom, PageCount = 1
			grid = new PokerGridView ();
			grid.PagerSettings.Position = PagerPosition.Bottom;
			grid.AllowPaging = true;
			p.Form.Controls.Add (grid);

			grid.DataSource = new string [] { "A", "B", "C" };
			grid.DataBind ();

			Assert.AreEqual (1, grid.PageCount, "#3#PageCount");

			Assert.IsNull (grid.TopPagerRow, "#3#TopPagerRow");

			Assert.IsNotNull (grid.BottomPagerRow, "#3#BottomPagerRow");
			Assert.AreEqual (false, grid.BottomPagerRow.Visible, "#3#BottomPagerRow.Visible");

			// PagerSettings.Visible = false, PageCount = 2
			grid = new PokerGridView ();
			grid.PagerSettings.Position = PagerPosition.TopAndBottom;
			grid.PagerSettings.Visible = false;
			grid.AllowPaging = true;
			grid.PageSize = 2;
			p.Form.Controls.Add (grid);

			grid.DataSource = new string [] { "A", "B", "C" };
			grid.DataBind ();

			Assert.AreEqual (2, grid.PageCount, "#3#PageCount");

			Assert.IsNull (grid.TopPagerRow, "#3#TopPagerRow");
			Assert.IsNull (grid.BottomPagerRow, "#3#BottomPagerRow");
		}

		public void GridView_Sort_and_DataSourceSelectArguments ()
		{
			DataSourceView view;
			DataSourceSelectArguments arg;
			Page p = new Page ();

			PokerGridView g = new PokerGridView ();
			g.Columns.Add (new BoundField ());
			g.AllowSorting = true;
			p.Controls.Add (g);

			ObjectDataSource data = new ObjectDataSource ();
			data.TypeName = typeof (DataSourceObject).AssemblyQualifiedName;
			data.SelectMethod = "GetList";
			data.SortParameterName = "sortExpression";
			data.ID = "Data";
			p.Controls.Add (data);

			g.DataSourceID = "Data";
			g.EditIndex = 2;
			g.PageIndex = 1;
			g.DataBind ();
			
			g.Sort ("sort", SortDirection.Descending);

			Assert.AreEqual (-1, g.EditIndex, "EditIndex after Sort, Bound by DataSourceID");
			Assert.AreEqual (0, g.PageIndex, "PageIndex after Sort, Bound by DataSourceID");

			arg = g.DoCreateDataSourceSelectArguments();
			view = g.DoGetData ();
			Assert.IsTrue (view.CanSort);
			Assert.AreEqual ("sort", g.SortExpression, "SortExpression, Bound by DataSourceID");
			Assert.AreEqual (SortDirection.Descending, g.SortDirection, "SortDirection, Bound by DataSourceID");
			Assert.AreEqual ("sort DESC", arg.SortExpression, "AllowSorting = true, Bound by DataSourceID");

			g.AllowSorting = false;
			arg = g.DoCreateDataSourceSelectArguments ();
			Assert.AreEqual ("sort DESC", arg.SortExpression, "AllowSorting = false, Bound by DataSourceID");
		}

		public void GridView_DeleteItem ()
		{
			PokerGridView g = new PokerGridView ();
			ArrayList myds = new ArrayList ();
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");

			g.DataSource = myds;
			g.DataBind ();
			Assert.AreEqual (false, deleteitemchecker, "DeleteItem#1");
			g.RowDeleting += new GridViewDeleteEventHandler (RowDeletingHandler);
			g.DeleteRow (0);
			Assert.AreEqual (true, deleteitemchecker, "DeleteItem#2");
		}

		public void GridView_NullDS ()
		{
			PokerGridView g = new PokerGridView ();
			g.DataSource = null;
			g.DataBind ();
			Assert.AreEqual (0, g.Rows.Count, "NullDS");
		}

		public static void RenderAllowPaging2 (Page p)
		{
			ArrayList myds = new ArrayList ();
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");
			LiteralControl lcb = new LiteralControl (HtmlDiff.BEGIN_TAG);
			LiteralControl lce = new LiteralControl (HtmlDiff.END_TAG);
			PokerGridView b = new PokerGridView ();
			p.Form.Controls.Add (lcb);
			p.Form.Controls.Add (b);
			b.AllowPaging = true;
			b.PageSize = 2;
			b.PageIndex = 1;
			b.PagerSettings.PageButtonCount = 4;
			b.PagerSettings.Mode= PagerButtons.NumericFirstLast;
			b.DataSource = myds;
			b.DataBind ();
			p.Form.Controls.Add (lce);
		}

		public static void RenderProperty (Page p)
		{
			// Array list for simple datasource
			ArrayList myds = new ArrayList ();
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");
			
			// Helper controls for searching usefull data from page 
			LiteralControl lcb = new LiteralControl (HtmlDiff.BEGIN_TAG);
			LiteralControl lce = new LiteralControl (HtmlDiff.END_TAG);
			PokerGridView g = new PokerGridView ();
			
			// Changing some property for test
			g.AutoGenerateDeleteButton = true;
			g.AutoGenerateEditButton = true;
			g.BackImageUrl = "http://test";
			g.Caption = "test";
			g.CaptionAlign = TableCaptionAlign.Left;
			g.CellPadding = 0;
			g.CellSpacing = 1;
			g.EnableSortingAndPagingCallbacks = true;
			g.GridLines = GridLines.Horizontal;
			g.HorizontalAlign = HorizontalAlign.Justify;
			g.ShowFooter = true;
			g.ShowHeader = false;
			g.UseAccessibleHeader = false;
			
			// Add controls for page
			p.Form.Controls.Add (lcb);
			p.Form.Controls.Add (g);
			
			// Data source and bind
			g.DataSource = myds;
			g.DataBind ();
			p.Form.Controls.Add (lce);
		}

		public void GridView_Render ()
		{
			PokerGridView b = new PokerGridView ();
			b.DataSource = myds;
			b.DataBind ();
			string OriginControlHtml = "<div>\r\n\t<table cellspacing=\"0\" rules=\"all\" border=\"1\" style=\"border-collapse:collapse;\">\r\n\t\t<tr>\r\n\t\t\t<th scope=\"col\">Item</th>\r\n\t\t</tr><tr>\r\n\t\t\t<td>Norway</td>\r\n\t\t</tr><tr>\r\n\t\t\t<td>Sweden</td>\r\n\t\t</tr><tr>\r\n\t\t\t<td>France</td>\r\n\t\t</tr><tr>\r\n\t\t\t<td>Italy</td>\r\n\t\t</tr><tr>\r\n\t\t\t<td>Israel</td>\r\n\t\t</tr><tr>\r\n\t\t\t<td>Russia</td>\r\n\t\t</tr>\r\n\t</table>\r\n</div>";
			string RenderedControlHtml = b.Render ();
			HtmlDiff.AssertAreEqual (OriginControlHtml, RenderedControlHtml, "Rendering");
		}

		public static void RenderAllowPaging (Page p)
		{
			ArrayList myds = new ArrayList ();
			myds.Add ("Norway");
			myds.Add ("Sweden");
			myds.Add ("France");
			myds.Add ("Italy");
			LiteralControl lcb = new LiteralControl (HtmlDiff.BEGIN_TAG);
			LiteralControl lce = new LiteralControl (HtmlDiff.END_TAG);
			PokerGridView b = new PokerGridView ();
			p.Form.Controls.Add (lcb);
			p.Form.Controls.Add (b);
			b.AllowPaging = true;
			b.PageSize = 2;
			b.DataSource = myds;
			b.DataBind ();
			p.Form.Controls.Add (lce);
		}

		public void GridView_PrepareControlHierarchy ()
		{
			PokerGridView gv = new PokerGridView ();
			gv.controlHierarchy = false;
			gv.Render ();
			Assert.AreEqual (0, gv.Controls.Count, "ControlHierarchy_ControlsCount");
			Assert.AreEqual (true, gv.controlHierarchy, "ControlHierarchy_FirstFlow");
			gv.DataSource = myds;
			gv.DataBind ();
			gv.controlHierarchy = false;
			gv.Render ();
			Assert.AreEqual (1, gv.Controls.Count, "ControlHierarchy_ControlsCountSecondaryFlow");
			Assert.AreEqual (true, gv.controlHierarchy, "ControlHierarchy_SecondaryFlow");
		}

		public void GridView_BubbleEvent ()
		{
			PokerGridView gv = new PokerGridView ();
			Page page = new Page ();
			LinkButton lb = new LinkButton ();
			gv.AllowPaging = true;
			page.Controls.Add (gv);
			gv.DataSource = myds;
			gv.DataBind ();
			gv.EditIndex = 0;
			// 
			gv.RowDeleting += new GridViewDeleteEventHandler (gv_RowDeleting);
			gv.RowUpdating += new GridViewUpdateEventHandler (gv_RowUpdating);
			gv.RowEditing += new GridViewEditEventHandler (gv_RowEditing);
			gv.Sorting += new GridViewSortEventHandler (gv_Sorting);
			gv.RowCancelingEdit += new GridViewCancelEditEventHandler (gv_RowCancelingEdit);
			gv.SelectedIndexChanging+=new GridViewSelectEventHandler(gv_SelectedIndexChanging);
			gv.PageIndexChanging+=new GridViewPageEventHandler(gv_PageIndexChanging);
			// Delete
			GridViewCommandEventArgs com1 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Delete", "0"));
			Assert.AreEqual (false, bubbledeleterow, "BeforeBubbleEventDeleteRow");
			gv.DoOnBubbleEvent (gv, com1);
			Assert.AreEqual (true, bubbledeleterow, "AfterBubbleEventDeleteRow");
			// Update
			GridViewCommandEventArgs com2 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Update", "0"));
			Assert.AreEqual (false, bubbleupdaterow, "BeforeBubbleEventUpdateRow");
			gv.DoOnBubbleEvent (gv, com2);
			Assert.AreEqual (true, bubbleupdaterow, "AfterBubbleEventUpdateRow");
			// Edit
			GridViewCommandEventArgs com3 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Edit", "0"));
			Assert.AreEqual (false, bubbleeditingrow, "BeforeBubbleEventEditingRow");
			gv.DoOnBubbleEvent (gv, com3);
			Assert.AreEqual (true, bubbleeditingrow, "AfterBubbleEventEditingRow");
			// Sort
			gv.AllowSorting = true;
			GridViewCommandEventArgs com4 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Sort", null));
			Assert.AreEqual (false, bubblesortint, "BeforeBubbleEventSortingRow");
			gv.DoOnBubbleEvent (gv, com4);
			Assert.AreEqual (true, bubblesortint, "AfterBubbleEventSortingRow");
			// Canceling Edit
			GridViewCommandEventArgs com5 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Cancel", null));
			Assert.AreEqual (false, bubblecanceling, "BeforeBubbleEventcancelingEdit");
			gv.DoOnBubbleEvent (gv, com5);
			Assert.AreEqual (true, bubblecanceling, "AfterBubbleEventcancelingEdit");
			// Select
			GridViewCommandEventArgs com6 = new GridViewCommandEventArgs (gv.SelectedRow, lb, new CommandEventArgs ("Select", "2"));
			Assert.AreEqual (false, bubbleselect, "BeforeBubbleEventSelect");
			gv.DoOnBubbleEvent (gv, com6);
			Assert.AreEqual (true, bubbleselect, "AfterBubbleEventSelect");
			//Next Page
			GridViewCommandEventArgs com7 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Page", "Next"));
			Assert.AreEqual (false, bubblepage, "BeforeBubbleEventNextPage");
			gv.DoOnBubbleEvent (gv, com7);
			Assert.AreEqual (true, bubblepage, "AfterBubbleEventNextPage");
			Assert.AreEqual (1, newPageIndex, "NextPage");
			// Prev Page
			ResetEvents ();
			GridViewCommandEventArgs com8 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Page", "Prev"));
			Assert.AreEqual (false, bubblepage, "BeforeBubbleEventPrevPage");
			gv.DoOnBubbleEvent (gv, com8);
			Assert.AreEqual (true, bubblepage, "AfterBubbleEventPrevPage");
			Assert.AreEqual (-1, newPageIndex, "PrevPage");
			ResetEvents ();
			GridViewCommandEventArgs com9 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Page", "Last"));
			Assert.AreEqual (false, bubblepage, "BeforeBubbleEventLastPage");
			gv.DoOnBubbleEvent (gv, com9);
			Assert.AreEqual (true, bubblepage, "AfterBubbleEventLastPage");
			ResetEvents ();
			GridViewCommandEventArgs com10 = new GridViewCommandEventArgs (lb, new CommandEventArgs ("Page", "First"));
			Assert.AreEqual (false, bubblepage, "BeforeBubbleEventFirstPage");
			gv.DoOnBubbleEvent (gv, com10);
			Assert.AreEqual (true, bubblepage, "AfterBubbleEventFirstPage");
			Assert.AreEqual (0, newPageIndex, "FirstPage");
		}	

		public void GridView_InitializePager ()
		{
			PokerGridView gv = new PokerGridView ();
			Page page = new Page ();
			page.Controls.Add (gv);
			gv.AllowPaging = true;
			gv.PageSize = 2;
			gv.DataSource = myds;
			Assert.AreEqual (false, gv.ifPagerInitilized, "BeforeInitializePagerRunned");
			Assert.AreEqual (0, gv.PageCount, "BeforeInitializePagerPageCount");
			gv.DataBind ();
			Assert.AreEqual (true, gv.ifPagerInitilized, "AfterInitializePagerRunned");
			Assert.AreEqual (3, gv.PageCount, "AfterInitializePagerPageCount");
		}

		public void GridView_DataBind()
		{
			PokerGridView g = new PokerGridView ();
			g.DataSource = myds;
			g.DataBind ();
			Assert.AreEqual (6, g.Rows.Count, "DataBind");

			g.DataSource = null;
			g.DataBind ();
			Assert.AreEqual (0, g.Rows.Count, "DataBind");
		}