asp.net文本域里而输入多条数据进等查询

  private void Button1_Click(object sender, System.EventArgs e)
  {
   string searchText=TextSearch.Text.Trim();
   string searchText2=searchText.Replace("/r/n",",");
   string [] split=searchText2.Split(new Char [] { ','});
   Response.Write("<table border='1' width='200'>");
   foreach(string d in split)
   {
    if(d!="")
    {
     Response.Write("<tr><td>");
     Response.Write(d);
     Response.Write(",");
     Response.Write("</td></tr>");
    }
   }
   Response.Write("</table>");

  }