async void RegistrarUser_Clicked(object sender, EventArgs e)
{
Core.PostonServer poston = new Core.PostonServer();
await poston.PostData(EmailEntry.Text, PassEntry.Text, ProfouAlun.Text, "loginpdm");
}
async void addlogin()
{
Core.PostonServer poston = new Core.PostonServer();
var test = poston.PostData("*****@*****.**", "ola", "ROOT", "loginpdm");
var result = await test;
}