Answers for "alert with yes or no"

messagebox yes-no

DialogResult dialogResult = MessageBox.Show("Sure", "Some Title", MessageBoxButtons.YesNo);
if(dialogResult == DialogResult.Yes)
{
    //do something
}
else if (dialogResult == DialogResult.No)
{
    //do something else
}

javascript confirm yes no

var proceed = confirm("Are you sure you want to proceed?");
if (proceed) {
  //proceed
} else {
  //don't proceed
}

js alert yes no

if (confirm('Are you sure you want to donate to Andrew Hyder?')) {
  // true (paypal.me/andrewdhyder)
} else {
  // false
}

javascript confirm yes no

let proceed = confirm("Are you sure you want to proceed?");
if (proceed) {
  //proceed
} else {
  //don't proceed
}