public BulkDescription(XmlElement desc)
{
_description = desc;
_columns = new BulkColumnCollection();
foreach (XmlElement each in desc.SelectNodes("//Field"))
{
BulkColumn column = new BulkColumn(each);
try
{
_columns.Add(column.FullDisplayText, column);
}
catch (ArgumentException ex)
{
throw new XmlParseException("載入欄位資訊錯誤，可能是欄位名稱重覆。(" + column.FullDisplayText + ")", each, ex);
}
}
_generators = new List <ElementGenerator>();
foreach (XmlNode each in desc.ChildNodes)
{
if (each.NodeType == XmlNodeType.Element)
{
_generators.Add(new ElementGenerator(each as XmlElement));
}
}
}
/// <summary>
/// 取得與 columns 參數交集的欄位資訊。
/// </summary>
public BulkColumnCollection GetInstersection(string[] columns)
{
BulkColumnCollection cols = new BulkColumnCollection();
foreach (string each in columns)
{
if (ContainsKey(each))
{
BulkColumn column = this[each];
cols.Add(column.FullDisplayText, column);
}
}
return(cols);
}