leer archivo xml problemas til y encode

XmlDocument xmlDocument = new XmlDocument();
 StreamReader reader = new StreamReader(filePath);
 xmlDocument.Load(reader);
 reader.Close();

fuente: https://stackoverflow.com/questions/51873880/c-sharp-xmldocument-loadstring-fails-when-encoding-for-file-is-unicode

Conectar sql sin base de datos

 Private conex_string As String = "Server=1.1.1.1;Integrated security=SSPI;database=master"

https://learn.microsoft.com/en-us/troubleshoot/developer/visualstudio/csharp/language-compilers/create-sql-server-database-programmatically

https://www.c-sharpcorner.com/article/create-a-sql-server-database-dynamically-in-C-Sharp/