private static string getColumnNameFor(string name, Aggregate func, string datafield, char separator)
{
return(getColumnNameFor(getColumnNameFor(name, func, separator), datafield));
}
/// <summary>
/// Aggregates sub data of data view.
/// </summary>
/// <param name="data">Data view containing all data.</param>
/// <param name="filter">Filter to filter with.</param>
/// <param name="dataField">Column to take values from.</param>
/// <param name="aggregate">Function to be used for aggregation.</param>
/// <returns>Aggregated value.</returns>
private static object getData(DataView data, string filter, string dataField, Aggregate aggregate)
{
var filteredRows = data.Table.Select(filter);
var objList = filteredRows.Select(x => x[dataField]).ToArray();
return(aggregate.PerformAggregation(objList) ?? DBNull.Value);
}
private static string getColumnNameFor(Aggregate func, string datafield)
{
return(getColumnNameFor(func.Name, datafield));
}