Set RegionEndPoint from database in AmazonS3Client in ASP.Net

Hello,

I am using amazon sw3 SDK it requires 3 parameters

I want to pass all three parameter from variable when I pass access key id and secret key as string it workings but RegionPoint as string does not work kindly advice

IAmazonS3 client = new AmazonS3Client("Access Key ID", "Secret Access Key", RegionEndpoint.USEast2);