private void frmInHDN_Load(object sender, EventArgs e) { InHdnReport inhdn = new InHdnReport(); string select = "SELECT* FROM vInHDN WHERE MaHD='" + mahd + "'"; DataSet ds = DataConn.GrdSource(select); inhdn.SetDataSource(ds.Tables[0]); crystalReportViewer1.ReportSource = inhdn; }