namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
    List<TextBox> Txt1 = new List<TextBox>();
    public Form1()
    {


       InitializeComponent();



       for (int i = 0; i < 4; i++)
       {



            for(int j = 0; j < 7; j++)
            {
                if (j == 0)
                {
                    var txtbox = new TextBox();
                    txtbox.Location = new Point(163 + (i * 220), (36));
                    txtbox.Name = i + "Names";
                    txtbox.Text = txtbox.Name;
                    txtbox.Width = 40;
                    this.Controls.Add(txtbox);


                }
                else if (j>0 && j<6)
                {

                    var extratxt = new TextBox();
                    extratxt.Location = new Point(163 + (i * 220), (36+ 36 * j));
                    extratxt.Name = i + "Input" + j;
                    extratxt.Text = extratxt.Name;
                    extratxt.Width = 70;
                    this.Controls.Add(extratxt);

                    var percentbox = new Label();
                    percentbox.Location = new Point(163 + (90+ i * 220), (36 + 36 * j));
                    percentbox.Name = i + "Percent" + j;
                    percentbox.Text = percentbox.Name;
                    percentbox.Width = 50;
                    this.Controls.Add(percentbox);

                    var gradebox = new Label();
                    gradebox.Location = new Point(163 + (150 + i * 220), (36 + 36 * j));
                    gradebox.Name = i + "Grade" + j;
                    gradebox.Text = gradebox.Name;
                    gradebox.Width = 50;
                    this.Controls.Add(gradebox);
                }

                else
                {
                    var totals = new Label();
                    totals.Location = new Point(163 + (i * 220), (36 + 36 * j));
                    totals.Name = i + "Total";
                    totals.Text = totals.Name;
                    totals.Width = 40;
                    this.Controls.Add(totals);