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Auto Complete property of Text box

Last week i learned about auto-complete property of  text box.so i want to share it with all of you so that it can help you as well.
First declare following global variables.

 AutoCompleteStringCollection collection = new AutoCompleteStringCollection();
  private string strConnection =System.Configuration.ConfigurationManager.ConnectionStrings["connectionString"].ConnectionString;
        SqlConnection conn = new SqlConnection();

After that i have made a function


 public void  AutoComplete()
        {
            SqlDataReader dReader;


            conn.ConnectionString = strConnection;
            SqlCommand cmd = new SqlCommand();
            cmd.Connection = conn;
            cmd.CommandType = CommandType.Text;
            cmd.CommandText = "Select * from test";
            conn.Open();
            dReader = cmd.ExecuteReader();
            if (dReader.HasRows == true)
            {
                while (dReader.Read())
                    namesCollection.Add(dReader["Name"].ToString());


            }
            else
            {
                MessageBox.Show("Data not found");
            }
            dReader.Close();
            conn.Close();
            textword.AutoCompleteMode = AutoCompleteMode.SuggestAppend;
            textword.AutoCompleteSource = AutoCompleteSource.CustomSource;
            textword.AutoCompleteCustomSource =collection;


        }


Now call this function on the Form Load event.
  private void Formname_Load(object sender, EventArgs e)
        {
            AutoComplete();
        }

After that output will look like this.


Hope this post will help you.

Happy programming.....:)



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