c# - how to show confirmation dialog from drop down list? -


i have grid display data database, , have custom column in left side checkbox, choose records deleted , have dropdown list, trigger event in server side delete records, before delete records want show confirmation dialog "are sure? ok , cancel", how that? thought?

i :

 if(ddlaction.selectedvalue == "delete")  {      string id = string.empty;      int = 0;      list<int> idx = new list<int>();       foreach (gridviewrow rowitem in gvdept.rows)      {         checkbox itemchk = (checkbox)rowitem.findcontrol("cbselectone");          if (itemchk != null & itemchk.checked)         {              id += rowitem.cells[3].text.tostring() + ',';               idx.add(i);          }            = + 1;       }        id = id.trim(",".tochararray());       list<string> objremovekeys = id.split(',').tolist();        if (objremovekeys.count > 0)       {               ddlaction.attributes.add("onchange", "javascript:return confirmdeletion('are sure remove selected items?');"); // part not working.           airasialinqdatacontext linqdatactx = new airasialinqdatacontext();           var record = in linqdatactx.departements                       objremovekeys.contains(a.departementcode)                       select a;           linqdatactx.departements.deleteallonsubmit(record);          linqdatactx.submitchanges();            (int j = 0; j < idx.count; j++)          {              gvdept.deleterow(idx[j]);          }     }     ddlaction.selectedvalue = "";

}

this looks code-behind (c#) code. dialogs happen on client side. can relatively jquery (or vanilla javascript code), or use ajax control toolkit's confirmbutton:

http://www.asp.net/ajaxlibrary/ajaxcontroltoolkitsamplesite/confirmbutton/confirmbutton.aspx

for little more control on process can give juiceui go: http://juiceui.com/controls/dialog


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