inserting 10-12 items from listbox into sql database

Question

hi guys...I am developing windws form & in that form 1 is combox , 1 listbox & 1 button .... listbox containg items after selecting items from combobox now i want when i clicking on save button how should i am inserting the all items from listbox into sql database...here following is my code

 

private void Btn_Save_Click(object sender, EventArgs e)

{

SqlConnection con = new SqlConnection(ConnectionString);

con.Open();

str = "insert into Customer_Entery_Form values('"+Lst_Bx_Service_Name.Items.ToString()+ "')";

com = new SqlCommand(str, con);

com.ExecuteNonQuery();

con.Close();

MessageBox.Show("Records successfully Inserted");

Lst_Bx_Staff_Name.Items.Clear();

}

 

now the problem is that data is inserting successfully from listbox but when i am showing in sql database it shows like "System.Windows.Forms.ListBox+ObjectCollection "