Daily Snippet

64 Bit ASP.NET Project – Attempt to load Oracle client libraries threw BadImageFormatException.

I’m using System.Data.OracleClient, and always get this error after install on new fresh server 64 bit.

And this how I do it to resolve:

1. Make sure your console/winform app works.

2. The resolve is just restart your PC after set 32-bit enabled on your IIS Application Pool.

Really just that restart. I try so hard that I have to copy Oracle Client dll to my \bin, but it’s not work.


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