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I'm registered user and I'm using the MySQLDirect .NET Data Provider Professional version 3.50.9 (03.07.11) Framework 1.x.

I'm having a lot of problems, when I dropped a connection component into a form and click ok it to stablish the connectionstring property I receive the error "Specified cast is not valid.".

I've tried to solve it installing a new computer with WinXP Pro SP2, WS2003, and MySQLDirect .NET Data Provider Professional version 3.50.9 (03.07.11) Framework 1.x, but the problem appears again, what can I do?

Thanks in advance.

when I dropped a connection component into a form and click ok it to stablish the connectionstring property

Please explain where do you click OK?
Try to download the latest version from our site.

I do right click on the component and chose Connectionstring.

I've observed that sometimes in old projects when I change from Design View to Code view, MySqlCommand components loose their parameters.

Note that these problems only happens in some old proyect solutions, not in the new ones.

Thanks

It seems that you have our old assemblies in your system. Download the latest one and use it.

I've checked it and I have the latests ones.

Version 3.50.9 is not the latest.