https://www.c-sharpcorner.com/article/angular-7-multiple-data-save-using-formgroup-formarray/
in this link explain about how to insert data using form array but not to the database.
SaveData()
{
console.log(this.SchoolDetailsForm.value);
//pass this data to service and api node/webapi
}
it will print all the data of class details with in the form.i want to display single class detail.how can i do?