c# - After button having postback -

protected void page_load(object sender, eventargs e) {     button cmdtemp = null;     try     {         cmdtemp = (button)getpostbackcontrol(this);     }     catch { }       filltabledb();     if(ispostback)     {         if(cmdtemp == null || cmdtemp.id == "btnnew" || cmdtemp.id != "btnsave")         {             generateblanktablehtml("");         }     }   }  private void filltabledb() {     //sql query     //select status table       generateblanktablehtml(status) }  private void generateblanktablehtml(string status) {    if(status=="")    {         btnnew.style.add("display", "none");    }    else    {       //show status in label      lblstatus.text=status;    }  }  public static control getpostbackcontrol(page page) {     control control = null;      string ctrlname = page.request.params.get("__eventtarget");     if(ctrlname != null && ctrlname != string.empty)     {         control = page.findcontrol(ctrlname);     }     else     {         foreach(string ctl in page.request.form)         {             control c = page.findcontrol(ctl);             if(c system.web.ui.webcontrols.button)             {                 control = c;                 break;             }         }     }     return control; } 

aspx:

<asp:button id="btnsave" runat="server"/> <asp:button id="btnnew" runat="server"/> <asp:label id="lblstatus" runat="server" 

i have 2 functions filltabledb();generateblanktablehtml(string status); when status getting blank have hide btnnew otherwise showing status in label. if label having status , new study botton displayed otherwise not.

what want when user click on button new , have show label text blank status not click on save button should do.

try       if(ispostback)      {                              if(btnnew.style.value == "display:none;")       {              generateblanktablehtml("");       }                          }     protected void btnnew_click(object sender, eventargs e)     {       generateblanktablehtml("");     }