int z = Convert.ToInt32(ds100.Tables[0].Rows[k]["company_id"].ToString());

quicksearch.get_company_id = z;
ds = quicksearch.companysearch();
if (ds.Tables[0].Rows.Count != 0)
    {
       Label3.Visible = false;
        GridView dg = new GridView();
        dg.AllowPaging = true;
        dg.PageSize = 50;
        dg.Width = 50;
        dg.Height = 50;
         dg.DataSource = ds;
         dg.DataBind();
         Panel5.Visible = true;
           Panel5.Controls.Add(dg);
       }
     else
        {
           Page.ClientScript.RegisterStartupScript(this.GetType(), "msg", "");                                                                       Panel5.Visible = false;
         }