public CrystalViewer(EMDataSet dataSet,bool isPO)
{
//
// Required for Windows Form Designer support
//
InitializeComponent();
ParameterFields fields= new ParameterFields();
ParameterField field = new ParameterField();
field.ParameterFieldName = "isPO";
ParameterDiscreteValue discrete = new ParameterDiscreteValue();
discrete.Value = isPO;
field.CurrentValues.Add(discrete);
fields.Add(field);
CrystalReport1 c = new CrystalReport1();
crystalReportViewer1.ParameterFieldInfo = fields;
EMDataSet copy = (EMDataSet)dataSet.Copy();
c.SetDataSource(copy);
crystalReportViewer1.ReportSource = c;
//
// TODO: Add any constructor code after InitializeComponent call
//
}