protected void btnSearch_Click(object sender, EventArgs e)
{
String keyWord = txtSearch.Text;
DataTable dt = null;
String idType = ddlTypes.SelectedValue.ToString();
if (idType.Trim() != "")
{
dt = newDao.GetListSearchByType(idType, keyWord);
}
else
{
dt = newDao.GetListSearch(keyWord);
}
PageNumber = 0;
DataSource = dt;
fillData();
}