SampleApp.MainForm.btnLoad_Click C# (CSharp) Method

        private void btnLoad_Click(object sender, EventArgs e)
        {
            lbStatus.Text = "Loading data. This may take a while...";
            Application.DoEvents();


            // Load optdigits dataset into the DataGridView
            StringReader reader = new StringReader(Resources.optdigits_tra);

            int trainingStart = 0;
            int trainingCount = 1000;

            int testingStart = 1000;
            int testingCount = 1000;

            dgvTrainingSource.Rows.Clear();
            dgvAnalysisTesting.Rows.Clear();

            int c = 0;
            int trainingSet = 0;
            int testingSet = 0;
            while (true)
            {
                char[] buffer = new char[(32 + 1) * 32]; // 32 chars + '\n'
                int read = reader.ReadBlock(buffer, 0, buffer.Length);
                string label = reader.ReadLine();


                if (read < buffer.Length || label == null) break;

                if (c > trainingStart && c <= trainingStart + trainingCount)
                {
                    Bitmap bitmap = Features.Extract(new String(buffer));
                    double[] features = Features.Extract(bitmap);
                    int clabel = Int32.Parse(label);
                    dgvTrainingSource.Rows.Add(bitmap, clabel, features);
                    trainingSet++;
                }
                else if (c > testingStart && c <= testingStart + testingCount)
                {
                    Bitmap bitmap = Features.Extract(new String(buffer));
                    double[] features = Features.Extract(bitmap);
                    int clabel = Int32.Parse(label);
                    dgvAnalysisTesting.Rows.Add(bitmap, clabel, null, features);
                    testingSet++;
                }

                c++;
            }

            lbStatus.Text = String.Format(
                "Dataset loaded (training: {0} / testing: {1}). Click Run training to start the training.",
                trainingSet, testingSet);

            btnSampleRunAnalysis.Enabled = true;
        }