error could not load file or assembly netpont.licencing error'

Hi,

iam new to netpoint SDK, i have created table and i have two fields like accounid,accountame i try insert through netpoint.api.dll

pls herewith below i have attached follwing code. Please guide me

how to insert a sample data in sample database.

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using netpoint.classes;

using netpoint.api;

using netpoint.api.account;

using netpoint.api.common;

using netpoint.api.prospecting;

public partial class _Default : netpoint.classes.NPBasePage

{

protected void Page_Load(object sender, EventArgs e)

{

}

protected void Button1_Click(object sender, EventArgs e)

{

System.Data.Odbc.OdbcConnection cn;

System.Data.Odbc.OdbcCommand com;

string strsql;

NPBasePage bp = (NPBasePage)Page;

cn = new System.Data.Odbc.OdbcConnection("Driver={SQL Server};Server=btsserverdc02;Database=library;Uid=sa;Pwd=sa2000");

strsql = "insert into Users values('" + txtsample1.Text + "','" + txtsample2.Text + "' )";

cn.Open();

com = new System.Data.Odbc.OdbcCommand(strsql, cn);

com.ExecuteNonQuery();

cn.Close();

}

}