public partial class _Default : System.Web.UI.Page {
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
BindData();
}
protected void MoveRight(object sender, EventArgs e) {
while(uxListBox1.Items.Count > 0 && uxListBox1.SelectedItem != null) {
ListItem selectedItem = uxListBox1.SelectedItem;
selectedItem.Selected = false;
uxListBox2.Items.Add(selectedItem);
uxListBox1.Items.Remove(selectedItem);
}
}
protected void MoveLeft(object sender, EventArgs e) {
while(uxListBox2.Items.Count > 0 && uxListBox2.SelectedItem != null) {
ListItem selectedItem = uxListBox2.SelectedItem;
selectedItem.Selected = false;
uxListBox1.Items.Add(selectedItem);
uxListBox2.Items.Remove(selectedItem);
}
}
private void BindData() {
uxListBox1.Items.Add(new ListItem("test1", "test1"));
uxListBox1.Items.Add(new ListItem("test2", "test2"));
uxListBox1.Items.Add(new ListItem("test3", "test3"));
}
}
Default.aspx
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ListBox ID="uxListBox1" runat="server" SelectionMode="multiple" />
<asp:Button id="uxRightBtn" runat="server" OnClick="MoveRight" Text=" > " />
<asp:Button id="uxLeftBtn" runat="server" OnClick="MoveLeft" Text=" < " />
<asp:ListBox ID="uxListBox2" runat="server" SelectionMode="multiple" />
</div>
</form>
</body>
</html>
Default.aspx.cs
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
BindData();
}
protected void MoveRight(object sender, EventArgs e) {
while(uxListBox1.Items.Count > 0 && uxListBox1.SelectedItem != null) {
ListItem selectedItem = uxListBox1.SelectedItem;
selectedItem.Selected = false;
uxListBox2.Items.Add(selectedItem);
uxListBox1.Items.Remove(selectedItem);
}
}
protected void MoveLeft(object sender, EventArgs e) {
while(uxListBox2.Items.Count > 0 && uxListBox2.SelectedItem != null) {
ListItem selectedItem = uxListBox2.SelectedItem;
selectedItem.Selected = false;
uxListBox1.Items.Add(selectedItem);
uxListBox2.Items.Remove(selectedItem);
}
}
private void BindData() {
uxListBox1.Items.Add(new ListItem("test1", "test1"));
uxListBox1.Items.Add(new ListItem("test2", "test2"));
uxListBox1.Items.Add(new ListItem("test3", "test3"));
}
}
Default.aspx
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ListBox ID="uxListBox1" runat="server" SelectionMode="multiple" />
<asp:Button id="uxRightBtn" runat="server" OnClick="MoveRight" Text=" > " />
<asp:Button id="uxLeftBtn" runat="server" OnClick="MoveLeft" Text=" < " />
<asp:ListBox ID="uxListBox2" runat="server" SelectionMode="multiple" />
</div>
</form>
</body>
</html>
Default.aspx.cs
