private static string GetDefaultDisplayName(IColumns sourceColumns)
{
if (sourceColumns.Count == 1)
{
return(sourceColumns.First <Column>().DisplayName);
}
else
{
return(string.Format("[{0}]", string.Join(", ", sourceColumns.Select(x => x.DisplayName))));
}
}
private string GetDisplayNames(IColumns columns)
{
if (columns.Count == 0)
{
return(null);
}
else if (columns.Count == 1)
{
return(columns.Single().DisplayName);
}
else
{
return(string.Format("({0})", string.Join(", ", columns.Select(x => x.DisplayName))));
}
}
internal static string Serialize(this IColumns columns)
{
return(columns == null || columns.Count == 0 ? string.Empty : string.Join(",", columns.Select(x => x.Name)));
}
