> # SequeLink® .NET Data Provider

> The following types of errors can occur when you are using the SequeLink Client for .NET:

> - SequeLink Client errors
> - SequeLink Server errors
> - Database errors

> ### SequeLink® Client Errors

> Errors generated by the .NET Client have different formats, depending on the cause and source of the problem. Formats include:

>     [SequeLink nnnn] Memory allocation error occurred.
>     Invalid parameter type.

> If a native error code is displayed, you can look up details about the possible cause of the error. See "Error Messages" for a list of all SequeLink error codes and messages.

> ### SequeLink® Server Errors

> An error generated by SequeLink Server has the following format:

>     DDTek.SequeLink.SequeLinkException:[SequeLink Server]
>     message

> For example:

>     DDTek.SequeLink.SequeLinkException:[SequeLink Server]
>     Required user name is missing.

> Use the native error code to look up details about the possible cause of the error. See "Error Messages" for a list of all error codes and messages.

> ### Database Errors

> An error generated by the database has the following format:

>     DDTek.SequeLink.SequeLinkException:[...] message

> For example:

>     DDTek.SequeLink.SequeLinkException:[Oracle] ORA-00942:table
>     or view does not exist.

> Use the native error code to look up details about the possible cause of the error. For these details, refer to your database documentation.