asp.net數據庫操作2——nonquery

if(!Page.IsPostBack)
   {
    SqlConnection conn = new SqlConnection(con);
    conn.Open();

    string strSql = "insert into 公告 (標題,內容) values ('這是標題1','這是內容1')";
    SqlCommand cm = new SqlCommand(strSql,conn);

    int i = cm.ExecuteNonQuery();

    Response.Write(i);

    conn.Close();
   }