How to move item(s) from a listbox to another

Question

1.00/5 (2 votes)

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I want to make a WPF application that has two list boxes (source and target)
and two buttons(>> button and << button) to move (not copy) one or multiple items from a list box the other.

The source list box is initialized with predefined values when the window loads (1,2,3,4 for example).

Another thing, when one or multiple items are moved back from the target list box to the source list box, it is inserted on its original order (as when the window has loaded).

The problem with my solution is that when I click the (<< button) the last saved items in MA7 arraylist items gets copied every time i click the (<< button)

Thank you.

Posted 18-Mar-15 6:38am

Member 11481290

Updated 21-Mar-15 5:40am

v5

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Comments

sudevsu 18-Mar-15 12:55pm

Post your code to understand where you are stuck.

sudevsu 18-Mar-15 13:02pm

this is the not way to post your code. Please remove it. we actually want to help you. Show only part of code where you are stuck. Before someone deletes your question. Improve it

Member 11481290 18-Mar-15 13:47pm

I didn't understand your response quite much.
Would you show me an example.
Thx

sudevsu 18-Mar-15 16:08pm

http://www.c-sharpcorner.com/Forums/Thread/213414/move-items-from-one-listbox-to-another-C-Sharp-form-application.aspx

3 solutions

Solution 2

If you are looking for something like below

VB

Listbox1    ListBox2
   1               a
   2               b
   3               c

Now you have button one >> and button two <<

on button one(>>) click item should go in Listbox2
On button two(<<) click item should go in Listbox1
If you are having trouble in listbox after moving, you need to show datasource to Listbox.
something like below
Items.Add("something");
Listbox1.Datasource=Items;

let me know if you are having problems

Posted 18-Mar-15 7:18am

sudevsu

Solution 3

This is what you are looking for. ASP.Snippets is awesome for code snippets
http://www.aspsnippets.com/Articles/How-to-move-ListBox-items-to-another-ListBox-in-ASPNet-using-jQuery.aspx[^]

If this has helped you accept it as solution

Posted 18-Mar-15 10:09am

sudevsu

Comments

sudevsu 18-Mar-15 16:10pm

if you don't want to do in Jquery you can do similarly in C# or VB code also

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Member 11481290 · Accepted Answer · 2015-03-21T05:37:00

using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace From_To_Listboxes
{
public partial class Form1 : Form
{
ArrayList MyArray = new ArrayList();
ArrayList SortedArray = new ArrayList();
ArrayList MA1 = new ArrayList();
ArrayList MA2 = new ArrayList();
ArrayList MA3 = new ArrayList();
ArrayList MA4 = new ArrayList();
ArrayList MA5 = new ArrayList();
ArrayList MA6 = new ArrayList();
ArrayList MA7 = new ArrayList();
ArrayList SelChangedFrom = new ArrayList();
ArrayList SelChangedTo = new ArrayList();
public Form1()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
lstbxFrom.SelectionMode = SelectionMode.MultiExtended;
lstbxTo.SelectionMode = SelectionMode.MultiExtended;

MyArray.Add("1");
MyArray.Add("2");
MyArray.Add("3");
MyArray.Add("4");
MyArray.Add("5");
MyArray.Add("6");
MyArray.Add("7");
foreach (string item in MyArray)
{
lstbxFrom.Items.Add(item);
}
}
private void btnFromTo_Click(object sender, EventArgs e)
{

lstbxTo.ClearSelected();

foreach (string item in lstbxFrom.Items)
{
MA1.Add(item);
}
foreach (string item in lstbxFrom.SelectedItems)
{
MA2.Add(item);

}
foreach (string item in MA2)
{
lstbxTo.Items.Add(item);
}
foreach (string item in MA1)
{
if (!(MA1.Contains(item) && MA2.Contains(item)))
{
MA3.Add(item);
}

}
lstbxFrom.Items.Clear();

foreach (string item in MA3)
{
lstbxFrom.Items.Add(item);
}

MA1.Clear();
MA2.Clear();
MA3.Clear();
}
private void btnToFrom_Click(object sender, EventArgs e)
{
lstbxFrom.ClearSelected();
if (lstbxTo.SelectedItems.Count != 0)
{
foreach (string item in lstbxTo.Items)
{
MA4.Add(item);
}
foreach (string item in lstbxTo.SelectedItems)
{
MA5.Add(item);
}

foreach (string item in MA5)
{
MA7.Add(item);
}
foreach (string item in MA1)
{
MA7.Add(item);
}

foreach (string item in MA7)
{
lstbxFrom.Items.Add(item);
}

foreach (string item in MA4)
{
if (!(MA4.Contains(item) && MA5.Contains(item)))
{
MA6.Add(item);
}
}

lstbxTo.Items.Clear();
foreach (string item in MA6)
{
lstbxTo.Items.Add(item);
}
}
foreach (string item in lstbxFrom.Items)
{
SortedArray.Add(item);
}
SortedArray.Sort();
lstbxFrom.Items.Clear();
foreach (string item in SortedArray)
{
lstbxFrom.Items.Add(item);
}
SortedArray.Clear();
MA4.Clear();
MA5.Clear();
MA6.Clear();
MA7.Clear();
}
}
}