Asp.net Move items from one listbox to another listbox
ASPX:
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Listbox Sample</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<table align="center">
<tr>
<td align="center" colspan="3">
<b>ListBox Sample</b>
</td>
</tr>
<tr>
<td>
<asp:ListBox ID="ListBox1" runat="server" Height="169px" Width="121px" SelectionMode="Multiple">
<asp:listitem Value="0">Asp.Net</asp:listitem>
<asp:listitem Value="1">C#.Net</asp:listitem>
<asp:listitem Value="2">VB.Net</asp:listitem>
<asp:listitem Value="3">JavaScript</asp:listitem>
<asp:listitem Value="4">Ajax</asp:listitem>
</asp:ListBox>
</td>
<td>
<table>
<tr>
<td>
<asp:Button ID="btn1" runat="server" Text=">" Width="45px" onclick="btn1_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="btn2" runat="server" Text=">>" Width="45px" onclick="btn2_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="btn3" runat="server" Text="<" Width="45px" onclick="btn3_Click" />
</td>
</tr>
<tr>
<td>
<asp:Button ID="btn4" runat="server" Text="<<" Width="45px" onclick="btn4_Click" />
</td>
</tr>
</table>
</td>
<td>
<asp:ListBox ID="ListBox2" runat="server" Height="169px" Width="121px" SelectionMode="Multiple">
<asp:listitem Value="0">SQl
Server</asp:listitem>
<asp:listitem Value="1">Sharesoint</asp:listitem>
<asp:listitem Value="2">Jquery</asp:listitem>
</asp:ListBox>
</td>
</tr>
<tr>
<td colspan="3">
<asp:Label ID="lbltxt" runat="server" ForeColor="Red"></asp:Label>
</td>
</tr>
</table>
</div>
</form>
</body>
</html>
Add using System.Collections;
ArrayList arraylist1
= new ArrayList();
ArrayList arraylist2
= new ArrayList();
protected void Page_Load(object sender, EventArgs e)
{
}
protected void btn1_Click(object
sender, EventArgs e)
{
lbltxt.Visible = false;
if
(ListBox1.SelectedIndex >= 0)
{
for
(int i = 0; i < ListBox1.Items.Count; i++)
{
if
(ListBox1.Items[i].Selected)
{
if
(!arraylist1.Contains(ListBox1.Items[i]))
{
arraylist1.Add(ListBox1.Items[i]);
}
}
}
for
(int i = 0; i < arraylist1.Count; i++)
{
if
(!ListBox2.Items.Contains(((ListItem)arraylist1[i])))
{
ListBox2.Items.Add(((ListItem)arraylist1[i]));
}
ListBox1.Items.Remove(((ListItem)arraylist1[i]));
}
ListBox2.SelectedIndex = -1;
}
else
{
lbltxt.Visible = true;
lbltxt.Text = "Please select atleast one in Listbox1 to move";
}
}
protected void btn2_Click(object
sender, EventArgs e)
{
lbltxt.Visible = false;
while(ListBox1.Items.Count!=0)
{
for(int i=0;i<ListBox1.Items.Count;i++)
{
ListBox2.Items.Add(ListBox1.Items[i]);
ListBox1.Items.Remove(ListBox1.Items[i]);
}
}
}
protected void btn3_Click(object
sender, EventArgs e)
{
lbltxt.Visible = false;
if
(ListBox2.SelectedIndex >= 0)
{
for
(int i = 0; i < ListBox2.Items.Count; i++)
{
if
(ListBox2.Items[i].Selected)
{
if
(!arraylist2.Contains(ListBox2.Items[i]))
{
arraylist2.Add(ListBox2.Items[i]);
}
}
}
for
(int i = 0; i < arraylist2.Count; i++)
{
if
(!ListBox1.Items.Contains(((ListItem)arraylist2[i])))
{
ListBox1.Items.Add(((ListItem)arraylist2[i]));
}
ListBox2.Items.Remove(((ListItem)arraylist2[i]));
}
ListBox1.SelectedIndex = -1;
}
else
{
lbltxt.Visible = true;
lbltxt.Text = "Please select atleast one in Listbox2 to move";
}
}
protected void btn4_Click(object
sender, EventArgs e)
{
lbltxt.Visible = false;
while
(ListBox2.Items.Count != 0)
{
for
(int i = 0; i < ListBox2.Items.Count; i++)
{
ListBox1.Items.Add(ListBox2.Items[i]);
ListBox2.Items.Remove(ListBox2.Items[i]);
}
}
}
http://www.aspdotnet-suresh.com/2010/12/how-to-move-listitems-from-one-listbox.html
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http://www.aspdotnet-suresh.com/2010/12/how-to-move-listitems-from-one-listbox.html