public void LoadValidValues(Report rpt)
{
_validValues = new List <ParameterValue>();
if (_validValuesDS != null)
{
DataSet ds = rpt.DataSets[_validValuesDS.DataSetName];
if (ds == null)
{
throw new Exception("Invalid data set " + _validValuesDS.DataSetName + " in ReportParameter");
}
if (ds.Fields[_validValuesDS.ValueField] == null)
{
throw new Exception("Invalid value field " + _validValuesDS.ValueField + " in ReportParameter");
}
if (_validValuesDS.LableField != null && ds.Fields[_validValuesDS.LableField] == null)
{
throw new Exception("Invalid label field " + _validValuesDS.LableField + " in ReportParameter");
}
//System.Data.DataSet dsTemp = new System.Data.DataSet();
//ds.Initialize(dsTemp);
ds.Reset();
Rdl.Runtime.Context context = new Rdl.Runtime.Context(null, ds, null, null, null);
ValidValues.Clear();
while (context.CurrentRow != null)
{
string value = context.CurrentRow[_validValuesDS.ValueField].ToString();
string label = string.Empty;
if (_validValuesDS.LableField != null)
{
label = context.CurrentRow[_validValuesDS.LableField].ToString();
}
ParameterValue pv = new ParameterValue(value, label);
if (!_validValues.Contains(pv))
{
_validValues.Add(pv);
}
context.MoveNext();
}
}
}