If you are looking to build a rich, modern web application with cutting edge web technologies, unparalleled cross-browser compatibility and an advanced MVC architecture then Ext.NET is for you!
Version 3.2.1 CHANGELOG :
[r6486] [#836] Fixes the issues present on examples explorer.
[r6489] Fixes a small typo on ResourceManager's SourceFormatting description.
[r6494] [#839] Click on ImageCommand must focus a cell, but it didn't.
[r6495] GridPanel/RowExpander/Remote_Mode example formatting and cleaning up.
[r6496] [#833] Calendar examples: added a workaround for the drag&drop issues.
[r6497] [#843] "Reference resolver cannot be null" exception with Json.NET 7.0.1.
[r6501] [#842] TextField's RightButtons and LeftButtons could break a layout.
[r6502] [#842] Reverted the fix that is made in the previous revision. It caused something else broken.
[r6504] [#848] Remmoved a trailing comma in extnet/src/form/Picker.js.
[r6505] [#850] Fixes build configurations on vs 2012, 2013 and 2015 solutions.
[r6507] [#847] If store with AutoLoad="false" receives a "reload()" call, it broke layout.
[r6508] [#851] GridPanel with locking and summary war broken.
[r6510] Revised the DataView/Advanced/Grouping examples fixing a few issues.
[r6511] [#853] Store's AutoLoad="false" was ignored if RemoteFilter="true".
[r6512] [#857] Tooltips were not shown on mouseover on Touch devices (but with mouse).
[r6513] Fixed a spelling error in the comment.
[r6514] [#861] Unlicensed popup pulling non-https fonts.
[r6517] [#859] ClientIDMode="AutoID" could break dynamic rendering.
[r6520] [#860] A few Draw examples failed with 404 Not Found error.
[r6521] [#865] Fixed the SignalR example that was broken after NuGet packages update.
[r6522] [#866] ComponentLoader didn't respect "showMask: false" setting.
[r6523] [#867] CheckColumn didn't stop editing on click.
[r6524] [#868] CheckColumn: a cell focus frame was cut off.
[r6527] [#869] MenuPanel saving selection didn't work.
[r6530] [#871] GridPanel's HideHeaders didn't work on the fly.
[r6531] [#872] PagingStore didn't clear a loading flag on load.
[r6533] [#871] Missed a header's top border if the header is initially hidden and then shown.
[r6535] [#668] DateField with Type="Month" as GridPanel Column's Editor collapses on click inside a picker in Chrome. Corrected the initial fix.
[r6536] [#874] Button's AutoLoadingState hung if return false in its DirectEvent's Before handler.
[r6537] [#876] PieSeries Titles were not applied to Legend.
[r6538] [#877] ComponentView fields could lose focus on click.
[r6539] [#878] DragTracker's drag region element was not visible.
[r6488] [#836] Finishes implementation of RowExpander's CacheSingleExpandRows option.
[r6509] .NET Framework v4.5.2 config bindings for Ext.Net + Examples + MVC.
[r6526] [#854] Added .NET v4.6 build configurations.
[r6487] [#836] Partially implements RowExpander's CacheSingleExpandRows option.
[r6498] [#844] Updated to Json.NET 7.0.1 (was 6.0.8).
[r6499] [#843] Corrected the initial fix according to Json.NET 7.0.1 upgrade.
[r6506] Applies VS changes to unnecessary source files' settings.
[r6518] [#863] Update Examples Explorer menu links to point to Ext JS 5.1.1 documentation
[r6519] [#864] Update all NuGet packages for Ext.NET, Examples Explorer and MVC Examples Explorer
[r6525] [#831] Initial commit of ARIA theme went with not required items in AssemblyInfo.cs. Cleaned up.
[r6529] Ignored VS 2015 .vs folder on SVN commit.
[r6542] Removed NET451 build options. Please use NET452.