how to fill drop down list from data set in asp.net

DataSet dsmves=new DataSet();
        dsmves = cm.getNowShowingMoviesall();
        ddlmovie.DataSource = dsmves;
        ddlmovie.DataTextField = "moviename";
        ddlmovie.DataValueField = "movieid";
        ddlmovie.DataBind();
        ddlmovie.Items.Insert(0, "Select Movie");