private void showscore()
{
if (DDLmission.SelectedValue != "")
{
int Sgrade = Int32.Parse(DDLgrade.SelectedValue.ToString());
int Sclass = Int32.Parse(DDLclass.SelectedValue.ToString());
int Wcid = Int32.Parse(Request.QueryString["Cid"].ToString());
int Wmsort = Int32.Parse(DDLmission.SelectedValue);
LearnSite.BLL.Works works = new LearnSite.BLL.Works();
GridViewScore.DataSource = works.GetListWork(Wcid, Sgrade, Sclass, Wmsort);
GridViewScore.DataBind();
}
}