How can i access single method into all webpages using class

Question

Hi,

    here it is small method for binding employee data. i want to access this method into 5 webpages. instead of keeping every page load method i want to access only one method to all webpages how ? ? 

private void BindGridviewData()

{

con.Open();

SqlCommand cmd = new SqlCommand("Bindemployee", con);

cmd.CommandType = CommandType.StoredProcedure;

SqlDataAdapter da = new SqlDataAdapter(cmd);

DataSet ds = new DataSet();

da.Fill(ds);

con.Close();

gvDetails.DataSource = ds;

gvDetails.DataBind();

}