protected void GridViewBind() { MultiProblem multiproblem = new MultiProblem(); //创建多选题对象 DataSet ds = multiproblem.QueryMultiProblem(int.Parse(ddlCourse.SelectedValue)); //根据试卷科目查询多选题信息 GridView1.DataSource = ds.Tables[0].DefaultView; //为GridView控件指名数据源 GridView1.DataBind(); //绑定数据 }