private void AuthoriseUser()
{
gvCustomers.Columns["Actions"].Visible = Master.LoggedUser.IsUserAuthorised(Enums.Rights.CustomerManagement_Customer_Delete);
gvCustomers.Columns[1].Visible = (Master.LoggedUser.IsUserAuthorised(Enums.Rights.CompanyManagement_Company_View) ||
Master.LoggedUser.IsUserAuthorised(Enums.Rights.CompanyManagement_Company_Edit));
gvCustomers.Columns[2].Visible = !gvCustomers.Columns[1].Visible;
if (!Master.LoggedUser.IsUserAuthorised(Enums.Rights.CustomerManagement_Customer_Search))
{
Response.Redirect(Constants.URL_UNAUTHORISEDACTION, false);
}
}