ensure rebinding when FormView.PageIndex is called

svn path=/trunk/mcs/; revision=59688

mcs/class/System.Web/System.Web.UI.WebControls/BaseDataBoundControl.cs

@@ -45,6 +45,7 @@ namespace System.Web.UI.WebControls {
 		
 		object dataSource;
 		bool initialized;
+		bool preRendered;
 		bool requiresDataBinding;
 		
 		protected BaseDataBoundControl ()
@@ -97,7 +98,11 @@ namespace System.Web.UI.WebControls {
 		
 		protected bool RequiresDataBinding {
 			get { return requiresDataBinding; }
-			set { requiresDataBinding = value; }
+			set { 
+				requiresDataBinding = value;
+				if (value && preRendered && IsBoundUsingDataSourceID && Page != null && !Page.IsCallback)
+					EnsureDataBound ();
+			}
 		}
 		
 		protected void ConfirmInitState ()
@@ -141,6 +146,7 @@ namespace System.Web.UI.WebControls {
 		
 		protected internal override void OnPreRender (EventArgs e)
 		{
+			preRendered = true;
 			EnsureDataBound ();
 			base.OnPreRender (e);
 		}

mcs/class/System.Web/System.Web.UI.WebControls/ChangeLog

@@ -1,3 +1,11 @@
+2006-04-20  Konstantin Triger  <[email protected]>
+
+	* BaseDataBoundControl.cs: RequiresDataBinding rebinds if the control prerendered.
+	* FormView.cs: 
+		enable binding.
+		ensure rebinding when FormView.PageIndex is called.
+		and bind to the correct PageIndex.
+
 2006-04-20  Konstantin Triger  <[email protected]>
 
 	* MenuItem.cs: when binding to IHierarchyData, check whether 

mcs/class/System.Web/System.Web.UI.WebControls/FormView.cs

@@ -806,55 +806,39 @@ namespace System.Web.UI.WebControls
 		[MonoTODO]
 		protected override void EnsureDataBound ()
 		{
-			throw new NotImplementedException ();
+			base.EnsureDataBound ();
 		}
 	
 		[MonoTODO]
 		protected override Style CreateControlStyle ()
 		{
-			throw new NotImplementedException ();
+			return base.CreateControlStyle ();
 		}
 		
 		protected override int CreateChildControls (IEnumerable data, bool dataBinding)
 		{
-			PagedDataSource dataSource;
+			PagedDataSource dataSource = new PagedDataSource ();
+			dataSource.DataSource = data;
+			dataSource.AllowPaging = AllowPaging;
+			dataSource.PageSize = 1;
+			dataSource.CurrentPageIndex = PageIndex;
 
 			if (dataBinding) {
 				DataSourceView view = GetData ();
-				dataSource = new PagedDataSource ();
-				dataSource.DataSource = data;
-				
-				if (AllowPaging) {
-					dataSource.AllowPaging = true;
-					dataSource.PageSize = 1;
-					dataSource.CurrentPageIndex = PageIndex;
-					if (view.CanPage) {
-						dataSource.AllowServerPaging = true;
-						if (view.CanRetrieveTotalRowCount)
-							dataSource.VirtualCount = SelectArguments.TotalRowCount;
-						else {
-							dataSource.DataSourceView = view;
-							dataSource.DataSourceSelectArguments = SelectArguments;
-							dataSource.SetItemCountFromPageIndex (PageIndex + PagerSettings.PageButtonCount);
-						}
+				if (view.CanPage) {
+					dataSource.AllowServerPaging = true;
+					if (view.CanRetrieveTotalRowCount)
+						dataSource.VirtualCount = SelectArguments.TotalRowCount;
+					else {
+						dataSource.DataSourceView = view;
+						dataSource.DataSourceSelectArguments = SelectArguments;
+						dataSource.SetItemCountFromPageIndex (PageIndex + PagerSettings.PageButtonCount);
 					}
 				}
-				
-				pageCount = dataSource.PageCount;
-			}
-			else
-			{
-				dataSource = new PagedDataSource ();
-				dataSource.DataSource = data;
-				if (AllowPaging) {
-					dataSource.AllowPaging = true;
-					dataSource.PageSize = 1;
-					dataSource.CurrentPageIndex = PageIndex;
-				}
 			}
 
+			pageCount = dataSource.Count;
 			bool showPager = AllowPaging && (PageCount > 1);
-			dataSourceCount = dataSource.Count;
 			
 			Controls.Clear ();
 			table = CreateTable ();
@@ -866,10 +850,16 @@ namespace System.Web.UI.WebControls
 			// Gets the current data item
 			
 			IEnumerator e = dataSource.GetEnumerator (); 
-			if (e.MoveNext ())
-				dataItem = e.Current;
+			dataItem = null;
+
+			if (AllowPaging) {
+				if (e.MoveNext ())
+					dataItem = e.Current;
+			}
 			else
-				dataItem = null;
+			for (int page = 0; e.MoveNext (); page++ )
+				if (page == PageIndex)
+					dataItem = e.Current;
 			
 			// Main table creation
 			

mcs/class/System.Web/Test/System.Web.UI.WebControls/ChangeLog

@@ -1,3 +1,7 @@
+2006-04-20	Konstantin Triger <[email protected]>
+
+	* FormViewTest.cs: added test for PageIndex.
+
 2006-04-06	Konstantin Triger <[email protected]>
 
 	* DataListTest.cs: added test for DataSourceID.

mcs/class/System.Web/Test/System.Web.UI.WebControls/FormViewTest.cs

@@ -32,6 +32,7 @@
 using NUnit.Framework;
 using System;
 using System.IO;
+using System.Collections;
 using System.Globalization;
 using System.Web;
 using System.Web.UI;
@@ -53,6 +54,16 @@ namespace MonoTests.System.Web.UI.WebControls
 			public void LoadState (object state) {
 				LoadViewState (state);
 			}
+			
+			public void DoConfirmInitState ()
+			{
+				base.ConfirmInitState ();
+			}
+	
+			public void DoOnPreRender (EventArgs e)
+			{
+				base.OnPreRender (e);
+			}
 		}
 		
 		[Test]
@@ -108,6 +119,27 @@ namespace MonoTests.System.Web.UI.WebControls
 			Assert.AreEqual (0, p.DataItemCount, "A38");
 			Assert.AreEqual (0, p.DataItemIndex, "A39");
 		}
+		
+		[Test]
+		public void PageIndex ()
+		{
+			ObjectDataSource ds = new ObjectDataSource ();
+			ds.ID = "ObjectDataSource1";
+			ds.TypeName = "System.Guid";
+			ds.SelectMethod = "ToByteArray";
+			Page p = new Page ();
+			Poker f = new Poker ();
+			f.Page = p;
+			ds.Page = p;
+			p.Controls.Add (f);
+			p.Controls.Add (ds);
+			f.DataSourceID = "ObjectDataSource1";
+			f.DoConfirmInitState ();
+			f.DoOnPreRender (EventArgs.Empty);
+			object cur = f.DataItem;
+			f.PageIndex = 1;
+			Assert.IsTrue (cur != f.DataItem, "#01");
+		}
 	}
 }
 #endif