Here, all the input from the text fields are packaged in an NSString object, which is used in the POST body of the request:

NSString *userUpdate =[NSString stringWithFormat:@"bizprop=%@&rooms=%@&age=%@&highways=%@&tax=%@&ptratio=%@&lstat=%@",bizropfeild.text,roomsfeild.text,agefeild.text,highwaysfeild.text,taxfeild.text,ptratiofeild.text,lstatfeild.text];