AutoComplete TextBox Control

Question

I want to have a textbox control that suggests and append values from a database in a Windows application with C# 2008 and LINQ.

I do it with a combobox but I can\'t

Answer 1

To AutoComplete TextBox Control in C#.net windows application using 
wamp mysql database...

here is my code..

AutoComplete();

write this **AutoComplete();** text in form-load event..

private void Autocomplete()
    {
        try
        {
            MySqlConnection cn = new MySqlConnection("server=localhost;
database=databasename;user id=root;password=;charset=utf8;");
            cn.Open();
            MySqlCommand cmd = new MySqlCommand("SELECT distinct Column_Name
     FROM table_Name", cn);
            DataSet ds = new DataSet();
            MySqlDataAdapter da = new MySqlDataAdapter(cmd);
            da.Fill(ds, "table_Name");
            AutoCompleteStringCollection col = new   
            AutoCompleteStringCollection();
            int i = 0;
            for (i = 0; i <= ds.Tables[0].Rows.Count - 1; i++)
            {
                col.Add(ds.Tables[0].Rows[i]["Column_Name"].ToString());

            }
            textBox1.AutoCompleteSource = AutoCompleteSource.CustomSource;
            textBox1.AutoCompleteCustomSource = col;
            textBox1.AutoCompleteMode = AutoCompleteMode.Suggest;
            cn.Close();
        }
        catch (Exception ex)
        {
            MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK,
       MessageBoxIcon.Error);
        }
    }