string[] SplitTextBox = TextBox1.Text.Split('|');

DropDownList1.Datasource = ds.Tables[0];
DropDownList1.DataTextField = "Field Name of the table to display text"; //e.g: DropDownList1.DataTextField = "skey";
DropDownList1.DataValueField = "Field

string abc = "frndsslambooktextbox"+i.ToString();
//Change this: TextBox txt = (TextBox)pnl1.FindControl("abc");
//To this:
TextBox txt = (TextBox)pnl1.FindControl(abc);

<video width="320" height="240" controls="controls">
  <source src="movie.ogg" type="video/ogg" />
Your browser does not support the video tag.
</video>

<object width="425" height="344">
<param

  textBoxArr[i].ID = "frndslambooktextbox" + i.ToString();

com.Parameters.Add("@slambookfields_ans", SqlDbType.NVarChar).Value =textBoxArr[i].Text;