c# - how can refresh a datagrid from another form without close form 2 or show form 1 -

i have 2 form(form1 , form 2) form1 has datagridview , form2 has textbox , how can refresh form1 , search txtbox without reload or show form1, mean form2 searchbox , how can control datagrid of form1 in form2?

private void datagrid_users_keypress(object sender, keypresseventargs e)     {           win_searchuser baz = new win_searchuser() ;         baz.searchname = datagrid_users.columns[datagrid_users.currentcell.columnindex].headertext;         baz.columnname = datagrid_users.columns[datagrid_users.currentcell.columnindex].name;          baz.showdialog();      } 

form2

private void txt_name_textchanged_1(object sender, eventargs e)     {         var query = data.database.sqlquery<vw_users>("select * vw_users "+columnname+" '%"+txt_name.text+"%'");         var u = query.tolist();         datagridview1.datasource = u;         users tt = new users();           tt.datagrid_users.datasource = this.datagridview1.datasource;         } 

stackoverflow.com/questions/16980077/refreshing-datagridview-from-another-form-on-button-click

or can use delegate

stackoverflow.com/questions/17478889/refresh-datagridview-records-from-another-form