The duration of a CodeRage Conference presentation is generally 45 minutes. Each replay includes video and audio.
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ClientDataSets Part 2: Using and Controlling the Change Cache
Cary Jensen – Jensen Data Systems, Inc.
In this follow-up to "Introduction to ClientDataSets" presented at DataRage 2, ClientDataSet expert Cary Jensen continues the series with an in-depth look at the ClientDataSet change cache. Here you will learn how to determine the state of individual records, filter the ClientDataSet based on change cache state, restore deleted records, undo specific changes, undo all changes, make changes permanent, persist the change, and much more.
One of Delphi's more powerful capabilities, and least used, is it's flexible open tools application programming interface (API). In this in-depth presentation, Delphi expert Cary Jensen demonstrates you can use the open tools API to add your own key combinations to Delphi's editor. He concludes the presentation by showing you how to create and install a design-time package that will add your new keystrokes to any Delphi installation.
Relevant to: Delphi, RAD Studio
This series on ClientDataSets continues with a look at aggregates and group state. Presented by ClientDataSet expert Cary Jensen, this session demonstrates how to define and control aggregate calculations, as well as how and when to determine group state.