Question

How to find item in a ListBox and selects it if found using WinForms in C#

Answer 1

namespace WinFormsApp1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            listBox1.Items.Add("c#");
            listBox1.Items.Add("java");
            listBox1.Items.Add("c");
            listBox1.Items.Add("c++");
        }

        private void button2_Click(object sender, EventArgs e)
        {
            listBox1.ClearSelected();

            int index = listBox1.FindString(textBox1.Text);

            if (index < 0)
            {
                MessageBox.Show("Item not found.");
                textBox1.Text = String.Empty;
            }
            else
            {
                listBox1.SelectedIndex = index;
            }
        }
    }
}




/*
run:
 

  
*/

 

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