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POHow to access list from another form
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  1. POHow to access list from another form
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    copied!<p>I have two forms, in Form1 a create objects from a class and puts into list (list of objects). then I have another list of strings which is supposed to be a source for <code>Form2</code> - the list of strings contains elements which are object's attributes turned into strings. <code>Form2</code>, after opening, should read the data from the list of strings and put them into listbox. The problem is it does not see the data. I can access data in <code>Form1</code>, so I'm sure the list is populated, but Form2 cannot access the data - how to solve this?</p> <p>I have tried different ideas taken from the forum and other sources but none of them worked for me. what worked was populating the list which is supposed to be a data source in Form1 'initialize component' but it is not a perfect solution since objects are created after clicking a button. now I put the list at the top of the Form1 class but it is still populated by clicking a button - and it does not work, the listbox is still empty.</p> <p>Here is the code of <code>Form1</code>:</p> <pre><code>public partial class Form1 : Form { public House MyHouse = new House(); public List&lt;string&gt; allPeopleSource = new List&lt;string&gt;(); public Form1() { InitializeComponent(); } private void button1_Click(object sender, EventArgs e) { Person p1 = new Person("Simon", 33); Person p2 = new Person("Peter", 23); MyHouse.IsInhabitedBy(p1); MyHouse.IsInhabitedBy(p2); allPeopleSource.Add(p1.Name + " | " + p1.Age.ToString()); allPeopleSource.Add(p2.Name + " | " + p2.Age.ToString()); Form2 lista = new Form2(); lista.ShowDialog(); } } </code></pre> <p>Here is the code of <code>Form2</code>:</p> <pre><code>public partial class Form2 : Form { Form1 main = new Form1(); List&lt;string&gt; allPeople = new List&lt;string&gt;(); public Form2() { InitializeComponent(); foreach (string s in main.allPeopleSource) { allPeople.Add(s); } foreach (string s in allPeople) { lsbResidents.Items.Add(s); } } } </code></pre> <p>I appreciate any help.</p>
 

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