private void GetResultFromDataTable()
{
object result = null;
if (this.Context.Recodes.ContainsKey(this.Id))
{
Epi.Core.AnalysisInterpreter.Rules.RecodeList RL = this.Context.Recodes[this.Id];
result = RL.GetRecode(this.Context.CurrentDataRow[RL.SourceName]);
}
else
{
result = ParseDataStrings(this.Context.CurrentDataRow[this.Id].ToString());
}
if (result is System.DBNull)
{
result = null;
}
ReturnResult = result;
}
/// <summary>
/// performs execution of retrieving the value of a variable or expression
/// </summary>
/// <returns>object</returns>
public override object Execute()
{
object result = null;
if (this.Id != null)
{
IVariable var;
DataType dataType = DataType.Unknown;
string dataValue = string.Empty;
if (this.Context.MemoryRegion.TryGetVariable(this.Id, out var))
{
if (var.VarType == VariableType.Standard || var.VarType == VariableType.DataSource)
{
if (this.Context.CurrentDataRow != null)
{
if (var.VarType == VariableType.Standard)
{
if (this.Context.Recodes.ContainsKey(var.Name))
{
Epi.Core.AnalysisInterpreter.Rules.RecodeList RL = this.Context.Recodes[var.Name];
result = RL.GetRecode(this.Context.CurrentDataRow[RL.SourceName]);
}
else
{
//result = ParseDataStrings(this.Context.CurrentDataRow[this.Id].ToString());
result = this.Context.CurrentDataRow[this.Id];
}
}
else
{
//result = ParseDataStrings(this.Context.CurrentDataRow[this.Id].ToString());
result = this.Context.CurrentDataRow[this.Id];
}
if (result is System.DBNull)
{
result = "";
}
}
else // there is NO current row go through datarows
{
this.Context.GetOutput(GetResultFromDataTable);
result = ReturnResult;
}
}
else
{
dataType = var.DataType;
dataValue = var.Expression;
result = ConvertEpiDataTypeToSystemObject(dataType, dataValue);
}
}
else if (this.Context.CurrentDataRow != null)
{
if (this.Context.Recodes.ContainsKey(this.Id))
{
Epi.Core.AnalysisInterpreter.Rules.RecodeList RL = this.Context.Recodes[this.Id];
result = RL.GetRecode(this.Context.CurrentDataRow[RL.SourceName]);
}
else
{
result = this.Context.CurrentDataRow[this.Id];
if (result is System.DBNull)
{
result = null;
}
}
}
}
else
{
if (value is AnalysisRule)
{
result = ((AnalysisRule)value).Execute();
}
else
{
result = value;
}
}
return result;
}
