Introduction:
Here I will explain how to remove or delete multiple selected items from listbox in on button click in asp.net using c#, vb.net with example or remove or delete multiple items from listbox items button click in asp.net using c#, vb.net.
Here I will explain how to remove or delete multiple selected items from listbox in on button click in asp.net using c#, vb.net with example or remove or delete multiple items from listbox items button click in asp.net using c#, vb.net.
Description:
In previous post I explained add textbox values to listbox in asp.net on button click, create and consume webservice in asp.net, simple cursor example in sql server, sitemap control example, send html page as mail body in asp.net, how to send mail with attachment in asp.net and many more articles related to asp.net using c#, vb.net. Now I will explain how to delete or remove multiple selected items from listbox on button click in asp.net using c#, vb.net with example.
In previous post I explained add textbox values to listbox in asp.net on button click, create and consume webservice in asp.net, simple cursor example in sql server, sitemap control example, send html page as mail body in asp.net, how to send mail with attachment in asp.net and many more articles related to asp.net using c#, vb.net. Now I will explain how to delete or remove multiple selected items from listbox on button click in asp.net using c#, vb.net with example.
To delete selected listbox
items in
asp.net
on button click using c#,
vb.net
we need to write aspx code like as shown below
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>Delete Multiple
Selected Listbox Items in asp.net on Button Click</title>
</head>
<body>
<form id="form1"
runat="server">
<div>
<b>Listbox Items:</b> <asp:ListBox ID="lbColors" runat="server" SelectionMode="Multiple" Height="134px" Width="237px">
<asp:ListItem>Blue</asp:ListItem>
<asp:ListItem>Red</asp:ListItem>
<asp:ListItem>Orange</asp:ListItem>
<asp:ListItem>Green</asp:ListItem>
<asp:ListItem>Black</asp:ListItem>
<asp:ListItem>White</asp:ListItem>
<asp:ListItem>Brown</asp:ListItem>
<asp:ListItem>Navy Blue</asp:ListItem>
</asp:ListBox>
<br />
<asp:Button ID="btnDelete"
runat="server"
Text="Delete
Items" onclick="btnDelete_Click" />
</div>
</form>
</body>
</html>
|
After completion of aspx page write the add following namespaces
in codebehind
C#
Code
using System;
using
System.Collections.Generic;
using
System.Web.UI.WebControls;
|
VB.NET
Code
Imports
System.Collections.Generic
Imports
System.Web.UI.WebControls
|
After completion of adding namespaces you need to write the
code like as shown below
C#
Code
protected void btnDelete_Click(object
sender, EventArgs e)
{
List<ListItem> lstSelectedCities = new List<ListItem>();
foreach (ListItem liItems in
lbColors.Items)
{
if (liItems.Selected == true)
{
lstSelectedCities.Add(liItems);
}
}
foreach (ListItem liSelected in
lstSelectedCities)
{
lbColors.Items.Remove(liSelected);
}
}
|
VB.NET
Code
Imports
System.Collections.Generic
Imports
System.Web.UI.WebControls
Partial Class VBCode
Inherits System.Web.UI.Page
Protected Sub Page_Load(ByVal
sender As Object,
ByVal e As EventArgs)
End Sub
Protected Sub btnDelete_Click(ByVal
sender As Object,
ByVal e As EventArgs)
Dim lstSelectedCities As New List(Of ListItem)()
For Each liItems As ListItem In
lbColors.Items
If liItems.Selected = True
Then
lstSelectedCities.Add(liItems)
End If
Next
For Each liSelected As ListItem In
lstSelectedCities
lbColors.Items.Remove(liSelected)
Next
End Sub
End Class
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Demo
 |
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