c# - prevent freeze gif file at the same time searching text in database -

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i want search data in database , show result. when searching word in db, want show group box(gbloading) label , gif image control, gif file freeze when searching word. how can change code prevent freezing gif image in group box of form.

my code :

private  void  btsearch_click(object sender, eventargs e) {     gbloading.location = new point(this.width / 2 - 100, this.height / 2 - 30);     gbloading.visible = true;     application.doevents();      list<bookauthorsfieldset> resources = db.search(resourceorautor, txsearch.text.trim());     datatable dt = convertlisttodatatable(resources);     dgvresourcesorauthors.datasource = dt;     dgvresourcesorauthorscount.text = "result count : " + dgvresourcesorauthors.rows.count.tostring();     application.doevents();     dgvspecialresourcesorauthors.datasource = null;                          gbloading.visible = false; } 

do asynctask db search/load. i'd suggest activity implements interface create, perhaps iloadcompleted 1 method loadcompleted or that. send reference activity , on postexecute use reference iloadcompleted execute loadcompleted activity knows asynctask done.