Before getting to your question, we would like to remind you to ask the person who has purchased our controls in your company to add you as a License Developer to the purchase. This will give you full access to the products your company has purchased, to our downloads section, and to our support ticketing system. Additionally, all your questions will be reviewed according to the license you have. More information on License Developers you can find here: www.telerik.com/account/faqs.aspx
As to your question, please verify the differences between your dataset and the example dataset.
There are a few problems that we are aware of with working with Access: when you create your dataset from an access database the Id of the appointment is not read only, and also AutoincrementSeed and AutoincrementStep have values -1, but the value should be 1.
If you have additional questions feel free to ask.
All the best,
the Telerik team
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