public static void Set(this DBDataSources sources, string datasourceId, string columnId, int rowIndex,
DateTime?value)
{
var source = sources.Item(datasourceId);
source.Set(columnId, rowIndex, value);
}
public static string GetString(this DBDataSources sources, string datasourceId, string columnId, int rowIndex)
{
var source = sources.Item(datasourceId);
return(source.GetString(columnId, rowIndex));
}