private void regButton_Clicked(object sender, EventArgs e)
{
//Alter page text to show registration
title.Text = "Create Account";
nameEntry.Placeholder = "Enter New Username";
passEntry.Placeholder = "Enter New Password";
lowerTitleLabel.IsVisible = false;
logButton.IsVisible = false;
regButton.IsVisible = false;
createButton.IsVisible = true;
nameEntry.TextChanged += createUsername_TextChanged;
passEntry.TextChanged += createPassword_TextChanged;
_usernames = _conn.GetUserNames();
}