How to populate data to a UITableView from Array which is in a model Array?

Question

i have an array of model class and this model class have an array . i want to populate tableview from array . its showing me error

Here is my Model class

class DataModel {

    var name:[String]

    init(name:[String]) {
        self.name = name
    }
}

Here is my model object :

class Data {
    static var product = [DataModel]()
}

Here is my function for append data to object :

class Function {

    static func read(compleationHandler:@escaping ()->()) {

        var model = ["nsu","iUB","UIU"]
        DispatchQueue.global(qos: .userInteractive).async {
            if Data.product.count == 0 {
                Data.product.append(DataModel(name: model))
            }
            DispatchQueue.main.async {
                compleationHandler()
            }
        }
    }
}

and here is my tableView Cell method :

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
       let cell = myTableView.dequeueReusableCell(withIdentifier: "myCell") as! myCell

        cell.textLabel?.text = Data.product[indexPath.row].name[indexPath.count]

        return cell
    }

Here is my ViewDidLoad :

myTableView.delegate = self
        myTableView.dataSource = self
        Function.read { [weak self] in
            print(Data.product.count)
            self?.myTableView.reloadData()
        }

    }

I want to populate data from this array which belong in model "cell.textLabel?.text = Data.product[indexPath.row].name[indexPath.row]" — Ekramul Hoque
– Ekramul Hoque, Commented Aug 23, 2018 at 6:08
It's probably because you are using the wrong indexes in cellForRowAt. cell.textLabel?.text = Data.product[indexPath.section].name[indexPath.row] But i can't be sure unless i see your numberOfSections and numberOfRows delegates. — Rakesha Shastri
– Rakesha Shastri, Commented Aug 23, 2018 at 6:08

Rakesha Shastri · Accepted Answer · 2018-08-23 06:11:41Z

3

The problem probably is the way your delegates are set up. This is what i feel is what you are trying to achieve.

func numberOfSections(in tableView: UITableView) -> Int {
    return Data.product.count
}

func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
    return Data.product[section].name.count
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
   let cell = myTableView.dequeueReusableCell(withIdentifier: "myCell") as! myCell

    cell.textLabel?.text = Data.product[indexPath.section].name[indexPath.row]

    return cell
}

answered Aug 23, 2018 at 6:11

Rakesha Shastri

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2 Comments

Ekramul Hoque Over a year ago

Thank you its working but If i populate in one section how its possible ?

Rakesha Shastri Over a year ago

You have to map all the names to a one dimensional array and use that as data source. Also return 1 in numberOfSections. You can refer this to get an understanding of how to flatter multi dimensional arrays - stackoverflow.com/questions/24465281/…

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