refresh

问题 I created a guestbook, in which users can add entries via an HTML form. After submitting data to the guestbook, some users refresh the page. All browsers I know resubmit the data. afterwards. Is there a way to tell the browser, that the data should not be resubmitted? I used to have a redirect after sucessfully storig the data to the database. But, now I want to promt some additional information to the user, e.g. "Thanks for your entry entitled '...'.", or "A coy of the entry was sent to your

问题 I have dataGridView1 in form1 but for inserting in it I'm using form2 which have save button (that provides insert into datagridview1) to which I'm trying to set - refresh or select * from so I dont need any refresh button in form1 whenever I want to show up just all the recors. Is there any way to achieve that? Thanks much for your time. 回答1: You can use delegate.. For example : Form1 : private void btnForm1_Click(object sender, System.EventArgs e) { // Create an instance of form 2 Form2

问题 I have a material Table with expandable rows (https://material.angular.io/components/table/examples) and I want to manage delete into the table itself, so I create a delete button with a function that trigger the delete event. The api works, the record is correctly deleted, but the table is not refreshed after delete, and I want to implement this behaviour. Here a stackblitz with fake api: https://stackblitz.com/edit/angular-comzph I try, in my delete function to call ngOnInt and to navigate

问题 I used meta refresh but it doesn't work 'Safari'. What can i do? <meta http-equiv="refresh" content="5;URL='http://example.com/'"> 回答1: It is not supported by Safari.. And your not the only one who asked that.. There is 2 possibility: Make a button to let user refresh the page Use Ajax to be able to update parts of your website Hope this helps! 回答2: According to what I found on Google; this may have been a bug in Safari in the past but many people claim it's been resolved. There's also

问题 I used meta refresh but it doesn't work 'Safari'. What can i do? <meta http-equiv="refresh" content="5;URL='http://example.com/'"> 回答1: It is not supported by Safari.. And your not the only one who asked that.. There is 2 possibility: Make a button to let user refresh the page Use Ajax to be able to update parts of your website Hope this helps! 回答2: According to what I found on Google; this may have been a bug in Safari in the past but many people claim it's been resolved. There's also

问题 I have looked into this, but I’m still not quite clear how to do it. I have a UILabel. I would like to write out a word... letter by latter. It goes through each letter, then at the end the entire word shows up. At first I thought it was just because it was too fast, so I put in a delay with something like this. typedWord.text = [typedWord.text stringByAppendingString:@"C"]; future = [NSDate dateWithTimeIntervalSinceNow: letterPause ]; [NSThread sleepUntilDate:future]; Then I read that it may

问题 I have looked into this, but I’m still not quite clear how to do it. I have a UILabel. I would like to write out a word... letter by latter. It goes through each letter, then at the end the entire word shows up. At first I thought it was just because it was too fast, so I put in a delay with something like this. typedWord.text = [typedWord.text stringByAppendingString:@"C"]; future = [NSDate dateWithTimeIntervalSinceNow: letterPause ]; [NSThread sleepUntilDate:future]; Then I read that it may

问题 I want to be able do refresh my datagrid, because I am updating my table on my database datagrid and want to see the changes in grid , is there any way of automatically updating datagrid for every 1 minute? 回答1: DataGrid.Items.Refresh() will refresh the items. You can then use a timer to run every minute to force the refresh Here is an example of implementing a timer to update a ListBox which you can adapt for your purpose. 回答2: Going forward you can use ObservableCollection to bind the grid

问题 I wish button1 to edit Label 'etykietka' when clicked, but i don't know how. Have you got some ideas? class Zastepstwa (App): def build(self): lista=WebOps().getList() layout = BoxLayout(orientation='vertical') etykietka = Label(text='aa', font_size=10) button1 = Button(text='aa') button1.bind(callback) layout.add_widget(etykietka) layout.add_widget(button) return layout def callback (instance): newLabelText='kkk' #? 回答1: you need to pass your label to callback, a nice way to do it is to use

问题 I'm looking to create a Rails application that will be used as programme that outlines the running order of a service / event for my local church. The basic concept is that the technical team who control the sound, lighting, visuals etc and the volunteers can log in to the application and view the running order which will contain all the elements of the service including timings etc. I want a producer to be able to control the running order, so that he / she has basically a 'Next' / 'Back'