Creating controls within a Loop

TableCell tCell1 = new TableCell();
        TableCell tCell2 = new TableCell();
        TableCell tCell3 = new TableCell();
        TableCell tCell4 = new TableCell();
        TableCell tCell5 = new TableCell();
        TableCell tCell6 = new TableCell();
        TableCell tCell7 = new TableCell();

        TextBox txt1 = new TextBox();
        TextBox txt2 = new TextBox();
        TextBox txt3 = new TextBox();
        TextBox txt4 = new TextBox();
        TextBox txt5 = new TextBox();
        TextBox txt6 = new TextBox();
        TextBox txt7 = new TextBox();

        tCell1.Controls.Add(txt1);
        tCell2.Controls.Add(txt2);
        tCell3.Controls.Add(txt3);
        tCell4.Controls.Add(txt4);
        tCell5.Controls.Add(txt5);
        tCell6.Controls.Add(txt6);
        tCell7.Controls.Add(txt7);

        tRow.Cells.Add(tCell1);
        tRow.Cells.Add(tCell2);
        tRow.Cells.Add(tCell3);
        tRow.Cells.Add(tCell4);
        tRow.Cells.Add(tCell5);
        tRow.Cells.Add(tCell6);
        tRow.Cells.Add(tCell7);

for (int i = 0; i < 6; i++)
    {

        TableCell tCell[i] = new TableCell();
        TextBox txt[i] = new TextBox();
        tCell[i].Controls.Add(txt[i]);
        tRow.Cells.Add(tCell[i]);

    }

for (int i = 0; i < 7; i++)
    {

        TableCell tCell = new TableCell();
        TextBox txt = new TextBox();
        tCell.Controls.Add(txt);
        tRow.Cells.Add(tCell);

    }

for (int i = 0; i < 6; i++)
{
    TableCell tCell = new TableCell();
    TextBox txt = new TextBox();
    tCell.Controls.Add(txt);
    tRow.Cells.Add(tCell);
}