protected void txtSearch_TextChanged(object sender, EventArgs e)
{
RiverTableAdapter RiverTableAdapter = new RiverTableAdapter();
DataSet ds = RiverTableAdapter.GetSearchByRiver(txtSearch.Text, "ACTIVE");
if (ds.Tables[0].Rows.Count > 0)
{
Session["dt"] = ds.Tables[0];
PagingDataBind((DataTable)Session["dt"]);
}
}