private void button_Correlation_Click(object sender, EventArgs e) { string ColNums = textBox_Cols.Text; char[] separator = { ',' }; //string是以逗号分隔的 string[] AllNum = ColNums.Split(separator); //按照逗号分割 List <int> Cols = new List <int>(); foreach (string SingleNum in AllNum) { if (SingleNum != "") { Cols.Add(Convert.ToInt32(SingleNum) - 1); } } Stat.MultiCorr(MainForm.MainDT, Cols.ToArray(), MainForm.S.richTextBox1); }