Get multiple selected values from Listbox in asp.net

Introduction: In this article today I am going to explain how we can get multiple selected values from Listbox in asp.net

Description:

In the previous article I have explained Format theemails using StringBulider in asp.net, Disable copy, cut, paste and drop options in asp.net textbox using Jquery, Explain cookies in asp.net OR Explain cookies with example in asp.net and Display number of character left and count word in asp.net multiline textbox using Jquery plugin.

Design the webform as given below:

  <fieldset style="width:450px">

    <legend>Listbox Example</legend> 

    Country :

<asp:ListBox ID="lstcountry" runat="server" Width="100px" SelectionMode="Multiple">

            <asp:ListItem>India</asp:ListItem>

            <asp:ListItem>China</asp:ListItem>

            <asp:ListItem>Cuba</asp:ListItem>

            <asp:ListItem>Other</asp:ListItem>

        </asp:ListBox>

        <br /> 

        <br />

<asp:Button

            ID="btnsubmit" runat="server" Text="Get Value" onclick="btnsubmit_Click" /> 

        <asp:Label ID="lblmessage" runat="server"></asp:Label> 

    </fieldset>

On button click write the below given code (C#):

  protected void btnsubmit_Click(object sender, EventArgs e)

    {

        foreach (int i in lstcountry.GetSelectedIndices())

        {

            lblmessage.Text += lstcountry.Items[i].Value+",";

        }

    }

VB:

Protected Sub btnsubmit_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles btnsubmit.Click

        For Each i As Integer In lstcountry.GetSelectedIndices()

            lblmessage.Text += lstcountry.Items(i).Value + ","

        Next

    End Sub

Build and run the project.

Demo:

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