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Experience from using ADO.NET and VAR keys?

Experience from using ADO.NET and VAR keys?

(OP)
Dear listers,

As I have described in an earlier post to the forum (http://www.tek-tips.com/viewthread.cfm?qid=1587716&page=1) I connect to my Mimer SQL database using a VAR key issued by Mimer.

This VAR key requires that I regenerate the connection string every time I need to open the DB connection, since a time limited VAC number needs to included in the connection string.

In my application, I have created Datasets, DataTables and DataTableAdapters using Visual Studio's dataset designer.

To avoid the "Authorization failure Invalid attempt to connect" exception mentioned in the recent post, I have been forced to explicitly update the DataTableAdpater connection strings before calling the designed DataTableAdapter methods Fill(), Update() etc.

This is not what I want. One of my intentions with using the dataset designer is to  be able to ignore the DB connection details. Now I am in a situation where I have to manually make sure that the connection string is always up-to-date before the dataset and its adapters access the database.

Does anyone in this forum have any experience of using a time limited VAR connection together with ADO.NET? In that case, have you been able to workaround the requirement to continuously update the connection string?

Thanks in advance,
Anders Gustafsson

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