Before you navigate to your next page set the parameter using set method. then navigate to your next page
myFunction1(){
this.uploadData = param;
this.router.navigate(['/page1/view'])
}
set uploadData (param) {
this._param = param;
}
once you are on the next page, retrieve the parameter using get method
myFunction2(){
parameter = this.uploadData;
}
get uploadData () {
return this._param;
}
please note. this is just a sudo code. you will need to implement it as per your requirement.
you can more info about getters and setters from following links
set method
get method