public void fillfolderdata() { ConnectionClass mycon = new ConnectionClass(); string cid = Request.QueryString["c_id"]; DataTable dt = mycon.select("select * from tbl_pvt where status='ACTIVE' AND c_id=" + cid); //for (int i = 0; i < dt.Rows.Count; i++) //{ // string url = dt.Rows[i]["path"].ToString(); // string ext = Path.GetExtension(url); // if (ext == ".txt") // { // dt.Rows[i]["path"] = "~/imgs/sv.png"; // } //} DataFolder.DataSource = dt; DataFolder.DataBind(); }