Displaying a table information dynamically ,without using any controls

I want to show ,how to display the table information which is in the database,without using any controls. . 
step1: connect with the database. 

using System.Data.Sqlclient;
sqlconnection conn=new sqlconnection("server=....;user id=...;password=....");

step2: Enter the table name in a textbox,and displaying the table information 
 protected void TextBox1_TextChanged(object sender, EventArgs e)
    {
     try
        {
            string s1 = TextBox1.Text;
            //passing a query to fetch the table from database,which is entered in textbox 
            string s2 = "select * from " + s1;
            SqlDataAdapter da = new SqlDataAdapter(s2, conn);
            da.Fill(ds);
            DataTable dt = new DataTable();
            dt = ds.Tables[0];
           //creating a table dynamically 
            HtmlTable table = new HtmlTable();
            HtmlTableRow tr = null;
            HtmlTableCell tc = null;

           //displaying labels for displaying coloumn names in the table 
            if (dt.Columns.Count - 1 > 0)
            {
                tr = new HtmlTableRow();
                for (int i = 0; i < dt.Columns.Count; i++)
                {
                    tc = new HtmlTableCell();
                    Label lbl = new Label();
                    lbl.Text = dt.Columns[i].ColumnName;
                    lbl.ID = "lbl" + dt.Columns[i].ColumnName;
                    tc.Height = "50px";
                    tc.Width = "150px";
                    tc.Controls.Add(lbl);
                    tr.Controls.Add(tc);
                }
                table.Controls.Add(tr);
               
               //creating textboxes for displaying records information 

                for (int j = 0; j < dt.Rows.Count; j++)
                {
                    tr = new HtmlTableRow();
                    for (int k = 0; k < dt.Columns.Count; k++)
                    {
                        tc = new HtmlTableCell();
                        TextBox txt = new TextBox();
                        txt.ID = "txt" + j + k;
                        txt.Text = dt.Rows[j][dt.Columns[k].ToString()].ToString();
                        tc.Controls.Add(txt);
                        tr.Controls.Add(tc);
                    }
                    table.Controls.Add(tr);
                }
                form1.Controls.Add(table);
            }
        }
        catch (Exception ex)
        {
            Response.Write("Please enter a valid table");
        }
    }

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