sql server - update on datagridview does not update local db with update statement -


i have login form should updating local db current logged on users. on form_load pulls users db hidden datagridview via tableadapter , refreshes every 5 seconds via timer.

on login disables timer, changes single value on datagridview , runs table adapter.update statement. on completion enables timer again refresh datagridview.

my problem is, @ runtime testing, datagridview visible , can see changes value user, once refreshes, old value. code loginbtn_click , timer1_tick below :

private sub loginbtn_click(sender object, e eventargs) handles loginbtn.click     if pwtxt.text = pw         if datagridview1.item(4, temppos).value = false             timer1.enabled = false             loggedinid = tempid             datagridview1.item(4, temppos).value = true             me.logintableadapter.update(logindataset)             menuform.show()             menuform.focus()             timer1.enabled = true         else             msgbox(trim(tempid) & " logged in. please contact systems administrator.")             end         end if     else         msgbox("invalid password")         loggedinid = ""     end if end sub  private sub timer1_tick(sender object, e eventargs) handles timer1.tick     try         me.logintableadapter.fill(me.logindataset.login)     catch ex exception         msgbox("failed refresh. error : " & vbcrlf & ex.message)     end try end sub

any explanation or resolution appreciated. in advance.


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