Generate Controls Dynamically and adding to the page in asp.net

Getting data from database and generate controls based on table(database) columns and rows, generate label and textbox controls with in a html table dynamically and added to the Page in asp.net.....

private void getallowance()
    {
        DataTable dt = BLayer.getAllowColumns();
        if (dt.Rows.Count > 0)
        {
            //HtmlTableRow htr = new HtmlTableRow();

            Table tbl = new Table();
            tbl.ID = "table1";
            Page.Form.Controls.Add(tbl);
            foreach (DataRow dr in dt.Rows)
            {
                Label lbl = new Label();
                HtmlTableRow htr = new HtmlTableRow();
                HtmlTableCell htc = new HtmlTableCell();
                //htc.ColSpan = 2;
                for (int irow = 0; irow < 6; irow++)
                {
                    htc = new HtmlTableCell();

                 

                    string strcolname = dr["columnname"].ToString();
                    string[] strtestcol = strcolname.Split("_".ToCharArray());
          
                   
                    if (strtestcol.Length <= 1)
                    {
                        if (strcolname.ToUpper() == "CUG" || strcolname.ToUpper() == "TDS" || strcolname.ToUpper() == "LOAN")
                        {
                            if (irow == 4)
                            {
                                lbl.ID = "lbl" + strcolname;
                                lbl.Text = dr["Heading"].ToString();
                                htc.Controls.Add(lbl);
                                htc.Width = "265";
                            }
                            if (irow == 5)
                            {
                                TextBox TextBox1 = new TextBox();
                                TextBox1.ID = "txt" + strcolname;
                                TextBox1.CssClass = "formstyle01";
                                TextBox1.Enabled = false;
                                TextBox1.Font.Bold = true;
                                TextBox1.Text = string.Empty;
                                TextBox1.Style.Add("text-align", "right");
                                htc.Controls.Add(TextBox1);
                                htc.Width = "150";
                            }

                            htr.Cells.Add(htc);
                            tblcolded.Rows.Add(htr);
                        }
                    }
                    else
                    {
                        //htr = new HtmlTableRow();
                        if (irow == 2)
                        {
                            htc.Style["bgcolor"] = "#807d7d";
                            //htc.Controls.Add(cell);
                        }
                        if (irow == 3)
                        {
                         
                            //row.Style["bgcolor"] = "#807d7d";
                            //htc.Controls.Add(row);
                        }
                        if (strtestcol[1].ToString() == "a")
                        {
                            if (irow == 0)
                            {
                                lbl.ID = "lbl" + strcolname;
                                lbl.Text = dr["Heading"].ToString();
                                htc.Controls.Add(lbl);
                                htc.Width = "265";
                            }
                            if (irow == 1)
                            {
                                TextBox TextBox1 = new TextBox();
                                TextBox1.ID = "txt" + strcolname;
                                TextBox1.CssClass = "formstyle01";
                                TextBox1.Enabled = false;
                                TextBox1.Font.Bold = true;
                                TextBox1.Text = string.Empty;
                                TextBox1.Style.Add("text-align", "right");
                                htc.Controls.Add(TextBox1);
                                //htr.Cells.Add(htc);
                                htc.Width = "150";
                                htc.VAlign = "middle";
                                htc.Align = "left";                              
                            }
                            htr.Cells.Add(htc);
                            htr.VAlign = "top";
                            tblcol.Rows.Add(htr);
                          
                        }
                        else if (strtestcol[1].ToString() == "d")
                        {
                            if (irow == 4)
                            {
                                //Label lbl = new Label();
                                lbl.ID = "lbl" + strcolname;
                                lbl.Text = dr["Heading"].ToString();
                                htc.Controls.Add(lbl);
                                htc.Width = "265";
                            }
                            if (irow == 5)
                            {
                                TextBox TextBox1 = new TextBox();
                                TextBox1.ID = "txt" + strcolname;
                                TextBox1.CssClass = "formstyle01";
                                TextBox1.Enabled = false;
                                TextBox1.Font.Bold = true;

                                TextBox1.Style.Add("text-align", "right");
                                TextBox1.Text = string.Empty;
                                htc.Controls.Add(TextBox1);
                                //htr.Cells.Add(htc);
                                htc.Width = "150";
                                //tblcol.Rows.Add(htr);
                            }

                            htr.Cells.Add(htc);
                            //tblcol.Rows.Add(htr);
                            tblcolded.Rows.Add(htr);
                        }
                    }              
                 
                }              

            }
          
        }
      
    }