How to make Search option for listbox in wpf

Hello Patel, check below quick sample hardcoded you can do it using database, just assign data to list or observable collection obj.

XAML Code:

<Window x:Class="WpfListboxSearch.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:local="clr-namespace:WpfListboxSearch"
mc:Ignorable="d"
Title="MainWindow" Height="450" Width="800">
<Grid>
<TextBox Height="23" HorizontalAlignment="Left" Margin="82,11,0,0" Name="txtNameSearch" VerticalAlignment="Top" Width="120" TextChanged="txtNameSearch_TextChanged"/>
<ListBox Height="100" HorizontalAlignment="Left" Margin="86,51,0,0" Name="lbNameList" VerticalAlignment="Top" Width="600" >
<ListBoxItem>TabbuListBoxItem>
<ListBoxItem>RakshitaListBoxItem>
<ListBoxItem>ShaliniListBoxItem>
ListBox>
Grid>
Window>

Code behind .cs file

using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;
namespace WpfListboxSearch
{
public partial class MainWindow : Window
{
List<string> Namelist = new List<string>();
public MainWindow()
{
InitializeComponent();
foreach (ListBoxItem lbi in lbNameList.Items)
{
Namelist.Add(lbi.Content.ToString());
}
}
private void txtNameSearch_TextChanged(object sender, TextChangedEventArgs e)
{
if (!string.IsNullOrWhiteSpace(txtNameSearch.Text))
{
lbNameList.Items.Clear();
foreach (string name in Namelist)
{
if (name.StartsWith(txtNameSearch.Text.Trim()))
{
lbNameList.Items.Add(name);
}
}
}
else if (string.IsNullOrWhiteSpace(txtNameSearch.Text))
{
lbNameList.Items.Clear();
foreach (string name in Namelist)
{
lbNameList.Items.Add(name);
}
}
}
}
}

1 Reply

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Rajanikant Hawaldar6y ago
Accepted answer
Hello Patel, check below quick sample hardcoded you can do it using database, just assign data to list or observable collection obj.

XAML Code:
<Window x:Class="WpfListboxSearch.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfListboxSearch"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Grid>
        <TextBox Height="23" HorizontalAlignment="Left" Margin="82,11,0,0" Name="txtNameSearch" VerticalAlignment="Top" Width="120" TextChanged="txtNameSearch_TextChanged"/>
        <ListBox Height="100" HorizontalAlignment="Left" Margin="86,51,0,0" Name="lbNameList" VerticalAlignment="Top" Width="600" >
            <ListBoxItem>TabbuListBoxItem>
            <ListBoxItem>RakshitaListBoxItem>
            <ListBoxItem>ShaliniListBoxItem>
        ListBox>
    Grid>
Window>
Code behind .cs file
using System.Collections.Generic;
using System.Windows;
using System.Windows.Controls;

namespace WpfListboxSearch
{
    public partial class MainWindow : Window
    {
        List<string> Namelist = new List<string>();
        public MainWindow()
        {
            InitializeComponent();

            foreach (ListBoxItem lbi in lbNameList.Items)
            {
                Namelist.Add(lbi.Content.ToString());
            }
        }

        private void txtNameSearch_TextChanged(object sender, TextChangedEventArgs e)
        {
            if (!string.IsNullOrWhiteSpace(txtNameSearch.Text))
            {
                lbNameList.Items.Clear();
                foreach (string name in Namelist)
                {
                    if (name.StartsWith(txtNameSearch.Text.Trim()))
                    {
                        lbNameList.Items.Add(name);
                    }
                }
            }
            else if (string.IsNullOrWhiteSpace(txtNameSearch.Text))
            {
                lbNameList.Items.Clear();

                foreach (string name in Namelist)
                {
                    lbNameList.Items.Add(name);
                }
            }
        }
    }
}