populating data from database onto c# checkboxlist

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C#

SQL

i have a table in my mssql db with 2 columns (homecellid and homecellname) i want all data in homecell to be displayed in a checkboxlist (cblMinistries) i tried this but i keep getting an error “The type or namespace name "ListItem" could not be found” please help me out

private void PopulateMinistires()
        {

                SqlConnection conn = new SqlConnection(ConfigurationSettings.AppSettings["ConnectionString"]);
                conn.ConnectionString = "Data Source=USER-PC;Initial Catalog=PIWCDB;User ID=sa;Password=mike";


                using (SqlCommand cmd = new SqlCommand())
                {
                    cmd.CommandText = "select * from tblMinistries";
                    cmd.Connection = conn;
                    conn.Open();
                    using (SqlDataReader sdr = cmd.ExecuteReader())
                    {
                        while (sdr.Read())
                        {
                            ListItem item = new ListItem();
                            item.Text = sdr["Homecellname"].ToString();
                            chkMinistries.Items.Add(item);
                        }
                    }
                    conn.Close();
                }
            
        }