How to display selected data in Listbox and display in Textbox?

Question

I have two forms - one is the main form which has a listbox containing data which is loaded in from a text file. The other is a delivery form. When the user selects an item in the list box and clicks the edit button the delivery form should appear with the selected data displayed in the text box of the delivery form. At the moment I have something like this:

private Visit theVisit = new Visit();
private List<Delivery> deliveries = new List<Delivery>();
private FrmDelivery deliveryForm = new FrmDelivery();

private void updateDelivery()
{
    lstDeliveries.Items.Clear();            
    List<String> listOfD = theVisit.listDeliveries();
    lstDeliveries.Items.AddRange(listOfD.ToArray());            
}

private void btnEditDelivery_Click(object sender, EventArgs e)
{
    deliveryForm.ShowDialog();
    updateDelivery();
}

Can we see your Xaml? Is this WinForms?

Bob.
– Bob.

2012-11-27 21:50:14 +00:00
Commented Nov 27, 2012 at 21:50 — Bob.
– Bob., Commented Nov 27, 2012 at 21:50
Would you post the code from both of your forms please?

Ian R. O'Brien
– Ian R. O'Brien

2012-11-28 03:27:31 +00:00
Commented Nov 28, 2012 at 3:27 — Ian R. O'Brien
– Ian R. O'Brien, Commented Nov 28, 2012 at 3:27

Samy Arous · Accepted Answer · 2012-11-27 22:06:38Z

1

A Form is a class like any other: you can add properties and you can setup accessors.

Use a property on the delivery form which fill a textbox when changed.

All you have to do now is set this value from the main form and show the delivery form.

Delivery Form:

class FrmDelivery: Form
{
    TextBox text1; // Initialize this as usual
    public string DisplayText
    {
       get { return text1.Text; }
       set { text1.Text = Value; }
    }
}

Main Form:

private void btnEditDelivery_Click(object sender, EventArgs e)
{
    FrmDelivery frm = new FrmDelivery();
    frm.DisplayText = "Whatever Value you want";
    frm.ShowDialog();
}

You could also declare text1 as public, but I don't like given more control than needed. Always pick the most restrictive way.

answered Nov 27, 2012 at 22:06

Samy Arous

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2 Comments

littledevils326 Over a year ago

i want text to be displayed in textboxes

littledevils326 Over a year ago

i have tried this but it doesnt work: private void btnEditDelivery_Click(object sender, EventArgs e) { Delivery deliveryForm = new Delivery(); deliveryForm.customerName = (lstDeliveries.SelectedIndex.ToString()); deliveryForm.ShowDialog(); updateDelivery(); }

Arash · Accepted Answer · 2012-11-27 21:59:18Z

0

There are some ways to do this,one is you can use static field to pass the value of selecteditem of listbox to Delivery form

like this :

form1(in selectedindexchanged event of listbox):

public static string listboxselecteditem=listbox1.selecteditem;//here you add selected item of listbox

and then in Delivery form you do :

textbox1.Text=form1.listboxselecteditem;//add value of selected item in listbox to textbox in Delivery form

edited Nov 27, 2012 at 21:59

answered Nov 27, 2012 at 21:52

Arash

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