private void GetArtistsPageWise(int pageIndex)
{
arts = new Artists();
int recordCount = arts.GetArtistsPageWise(pageIndex, Convert.ToInt32(ddlPageSize.SelectedValue));
gvwAllArtists.DataSource = arts;
gvwAllArtists.DataBind();
PopulatePager(recordCount, pageIndex);
}