public void BindTravQtnUserList() { DataTable dt = objUser.Get_Travel_Quotation_Acess(); string filter = ""; if (txtQtnUserListSearch.Text.Trim() != "") { filter = "UserName like '%" + txtQtnUserListSearch.Text + "%'"; } dt.DefaultView.RowFilter = filter; chkLstQtnUser.DataSource = dt.DefaultView; chkLstQtnUser.DataTextField = "UserName"; chkLstQtnUser.DataValueField = "UserID"; chkLstQtnUser.DataBind(); }