Insert multiple CheckBoxList values to database in web

</form>

</body>

</html>

using System;

using System.Collections;

using System.Configuration;

using System.Data;

using System.Linq;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.HtmlControls;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Xml.Linq;

using System.Data.SqlClient;

namespace Insert_multiple_Value_CheckBoxList

{

public partial class _Default : System.Web.UI.Page

{

string connStr = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;

SqlCommand com;

protected void btn_insert_Click(object sender, EventArgs e)

{

SqlConnection con = new SqlConnection(connStr);

string s1 = string.Empty;

foreach (ListItem item in this.CheckBoxList1.Items)

{

if (item.Selected)

{

s1 = item.ToString();

com = new SqlCommand("Insert into test values('" + s1 + "')", con);

con.Open();

com.ExecuteNonQuery();

con.Close();

}

}

Response.Write("Inserted Successfully");

}

}

}