# 2020 v2 ## Content ### General **Improvements** * Initial release of Zip .NET Standard library. * The Licensing model has been updated from 2020v2 release. ### CalcEngine **Bug Fixes** * Fixed the issue of Code function from the ExcelEngine having wrong syntax name. * Fixed the issue of C1CalcEngine throwing an exception for some functions when custom engine was inherited from ExpressionEngine and used classes based on the IExpression interface. * Fixed the issue of The StartsWith function containing a typo in the name. **Improvements** * Added the GetItemsCount method to the ExpressionEngine class. This method gets a count of data source items. * Added localization strings for the Japanese language. * Added the updated the C1.DataCollection from 1.0.20201.12 to 1.0.20201.23. * Removed the GetField and GetSourceItems methods from the ExpressionEngine class. * Added the VBASemanticDictionary class as public. You can use this class to declare VBA-like syntax for your custom engine. * Added the the Token class as public. You can use this class to develop your custom engine based on ExpressionEngine. * Added the Token property to the IExpression interface. * Added the AddVariable method. This method adds a variable that can be used when evaluating the expression. * Added the ISupportVariables interface. This interface defines methods for supporting variables. The IEngineExtended interface contains the to IEngineExpressionItems, ISupportAliases and ISupportCustomFunctions interfaces. ### Data Collection **Bug Fixes** * Fixed the issue of C1FilterDataCollection not specifying index of Replace notifications. * Fixed the issue of Avoid executing query in C1FilterDataCollection if filter expression is null. * Fixed the issue of C1DelegateList returning cached Count incorrectly. * Fixed the issue of C1CollectionViewDataCollection throwing exception if inner collection view implemented IEditableCollectionView but returned false in CanAddNew. * Fixed the issue of C1CollectionViewDataCollection throwing exception if inner collection view implemented IItemProperties but returned null. **Improvements** * Added C1SpanDataCollection. * Added support for ISupportEditing interface in C1CollectionViewDataCollection. * Added the conversion of NotifyCollectionChangedEventArgsJsonConverter to C1.DataCollection.Serialization. * Added C1.DataCollection.Serialization library. ### Data Connector **Bug Fixes** * Change the function name "length" to "len", "substr" to "substring". ### C1.AdoNet.OData **Bug Fixes** * Fixed the issue of convertion datetime in query. * Fixed the error occuring when using concurrent pooling and cache. * Fixed the Issue when filtering by string contains special characters. * Fixed the issue of Entity object not propagating after executing insert/update. * Fixed the issue of hiding C1ODataConnection from toolbox. * Fixed the issue of hiding C1ODataCommand from toolbox. * Fixed the issue of Database locked on cache mode. * Fixed the issue of Multi cache file created with only one remote server. * Fixed the issue of error when executing multi-statements query. ### C1.AdoNet.D365S **Improvements** * Implement scaffoding for Dynamics 365 provider. ### C1.AdoNet.Salesforce **Improvements** * Initial release of C1.AdoNet.Salesforce provider. * Initial release of C1.EntityFrameworkCore.Salesforce. ### C1.AdoNet.Kintone **Improvements** * Initial release of C1.AdoNet.Kintone provider. * Initial release of C1.EntityFrameworkCore.Kintone ### Data Engine **Bug Fixes** * [DataEngineDesigner sample\] Fixed the issue of error when adding multiple category fields to a chart. * [DataEngineDesigner sample\] Fixed the issue of error when modifying query bound to a chart with multiple category fields. * [DataEngineDesigner sample\] Fixed the issue of error executing query containing a field from a deleted table. * [DataEngineDesigner sample\] Fixed the issue of preventing the user from entering non-existent field names. * [DataEngineDesigner sample\] Fixed the issue of inconsistent behavior when the original design surface was deleted. * [DataEngineDesigner sample\] Fixed the error while binding a string field to a gauge control. * [DataEngineDesigner sample\] Fixed the issue of updating gauge label when the binding value is changed. * [DataEngineDesigner sample\] Fixed the issue of error when adding a field to multiple pivot grid collections. * Fixed the issue of errors in samples when new license applied. **Improvements** * Added C1.Web.Api.DataEngine as an allowed caller. * Added the updated MVC package reference to 2020 v2. * Removed GCDTLicenses.xml files from samples. ### TextParser **Bug Fixes** * Fixed the issue of C1.Win.TextParser not accepting old Eng/JPN SE license keys due to obfuscation. * Fixed the issue of License Exception occuring and application running properly although old and new license was not activated. * [WPF\] Fixed the issue of activating with WPF product key not getting licensed athough "ComponentOne WPF Edition" is added in gclm on building the project. * [WPF\] Fixed the issue of old license trial expired message shown and license exception occuring although new trial license is available or new product key is activated. **Improvements** * Added enterprise license. * Added improved changelog generator. * Added support to both old and new license system.