Hi ,
Check this
protected void Page_Load(object sender, EventArgs e)
{
if (Session["userid"] != null)
{
string key = Session["userid"].ToString();
SqlDataSource1.ConnectionString = "your conection";
SqlDataSource1.SelectCommand = "SELECT fname,lastname,number,userid from users where userid= '" + key + "'";
YourGridView.DataSource= SqlDataSource1;
YourGridView.DataBind();
}
}
Best Regards
M.Mitwalli