How do I check if a Kendo Grid has changes in angular 2+? - kendo-grid

I am using editable Kendo grid(few columns contains input controls), I want to alert the user "No changes has been detected" when clicking on "Save" button.

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How to show an alert / text box after submitting (button) an option value (from drop-down list)?

I can't seem to find how to make this work - selecting an option from the drop-down list & submitting it using a submit button then having an alert / text box show after after clicking submit button. Is it possible ? TIA

What language do you use? if it web, you can add javascript to check your value dropdown.
you can add onSubmit on your form

How to create two onclick event button html?

I have created a form in html with two input feilds and one button.
List of Input Fields:-
Name
Mobile Number
Now what i wanted to do is if I click on a button, it should send an sms to mobile number entered.
clicking on the button should call an api(url) for which it should fetch the mobile number entered in the input field.

kendoui grid nested in popup form

I using a kendoui grid to list maintenance jobs and have it set to popup form when editing. on the popup form i have another grid which i want that to list notes associated with the maintenance job. However the 'ADD new record' button on the notes grid opens the a new maintenance popup form instead of the note popup form.
How to i make the 'Add new record' on the notes grid actually open the noted popup form.
Ive attached a screen shot below.

Primefaces show confirmation box if some rows are selected from datagrid

Using primefaces 5. We are having a datagrid with checkboxes and delete button. When the user selects some rows from datagrid and clicks on delete button then a confirmation dialog box is displayed which asks the user to press yes or no.
We want to display an alert message if no row is selected from the datagrid and delete button is clicked and confirmation dialog box should also not be shown. If user selects row from datagrid and clicks on delete then confirmation box should be displayed.
We are using global confirmation box. My code for delete button is as given below
Kindly, let me know how can this be achieved

Accordion Panel required fields validation issue

I am using accordion panel with three tabs each tab has required fields for form submission.I want to validate required fields when submit operation is performed. But the validation happens during the tab change and I don't want this functionality, so how to remove this and validate the whole form during form submit. Please give me some guidance.

You should set your accordionPanel not to be dynamically loaded : dynamic="false"