private void button_Estimation_Click(object sender, EventArgs e) { string Cols = textBox_ChosenCols1.Text + "," + textBox_ChosenCols2.Text; Stat.LoopCI2(MainForm.S.dataGridView1, MainForm.S.richTextBox1, Cols, comboBox_Tail.Text, comboBox_statistics.Text, Convert.ToDouble(comboBox_ConfidenceLevel.Text), comboBox_proportion.Text, Convert.ToDouble(textBox_proportion_value.Text)); }