private void SignInButton_Click(object sender, RoutedEventArgs e) { Database1Timerstuff ts = new Database1Timerstuff(); Database1TimerstuffTableAdapters.UserInfoTableAdapter ad = new Database1TimerstuffTableAdapters.UserInfoTableAdapter(); ad.Connection = new System.Data.SqlServerCe.SqlCeConnection("Data Source=\"C:\\Users\\Thad\\Documents\\Programming Practice\\Productivity Timer\\Productivity Timer\\Database1.sdf\""); ad.Fill(ts.UserInfo); HashAlgorithm alg = MD5.Create(); alg.ComputeHash(Encoding.UTF8.GetBytes(PasswordBox.Text)); byte[] pw = ad.GetPassword(UserNameBox.Text); byte[] pwHash = alg.Hash; if (pw.SequenceEqual(pwHash)) { Username = UserNameBox.Text; this.DialogResult = true; this.Close(); } }