try
{
admin_user dq_gly = Session["stjBEF985E"] as admin_user;
using (TransactionScope scope = new TransactionScope())
{
var cx_xk = from aa in sjklj.Xs_xk
where aa.dwid == dq_gly.dwid
select aa;
foreach (var kk in cx_xk)
{
sjklj.Xs_xk.DeleteObject(kk);
}
sjklj.SaveChanges();
scope.Complete();
// Button_cxjskc_Click(null, null);
this.GridView1.DataSource = null;
this.GridView1.DataBind();
//layeriujq.Msg("所有选课记录全部删除", "1", "3000", this.Page);//这个在使用webdevexpress后失效
//webdevexpress与传统的javascript冲突，但是webdevexpress与所有的asp.net原生控件可以共用无冲突
this.ASPxLabel_tytsxx.Text = "所有选课记录全部删除";
this.ASPxPopupControl_tytsxx.ShowOnPageLoad = true;
}
}
catch
{
// layeriujq.Msg("所有选课记录全部删除，单击【开始查询】刷新", "1", "3000", this.Page);
this.ASPxLabel_tytsxx.Text = "所有选课记录全部删除，单击【查询】刷新";
this.ASPxPopupControl_tytsxx.ShowOnPageLoad = true;
}
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