public static IEnumerable ToDataSource(this DataGrid grid, IEnumerable <ExpandoObject> list, ExpandoObject firstObj)
{
ExpandoObject first = firstObj;
if (first == null)
{
var numer = list.GetEnumerator();
numer.Reset();
numer.MoveNext();
first = numer.Current;
numer.Reset();
}
ObservableCollection <DataGridColumn> columns = grid.Columns;
columns.Clear();
foreach (var key in ExpandoUtils.Keys(first))
{
var item = new DataGridTextColumn()
{
Header = key,
Binding = new Binding(key)
};
columns.Add(item);
}
// ItemsControl
list.GetEnumerator(); // .Reset();
IEnumerable result = list as IEnumerable;
grid.ItemsSource = result;
return(result);
}
public static T Convert <T>(IEnumerable <ExpandoObject> list) where T : class
{
XElement table = new XElement("table", new XAttribute("style", "border: 1px solid gray;"));
XElement head = new XElement("tr");
var numerator = list.GetEnumerator();
if (numerator == null)
{
return(default(T));
}
if (!numerator.MoveNext())
{
return(default(T));
}
ExpandoObject first = numerator.Current;
if (first == null)
{
return(default(T));
}
// Ai.Reflection;
foreach (string item in ExpandoUtils.Keys(first))
{
head.Add(new XElement("th",
new XElement("nobr", HtmlAgilityPack.HtmlDocument.HtmlEncode(item))
));
}
table.Add(head);
do
{
var item = numerator.Current as ExpandoObject;
var row = new XElement("tr");
foreach (string itemKey in item.Keys())
{
var td = new XElement("td");
string itemValueOrig = item.DynValue <string>(itemKey);
if (!string.IsNullOrWhiteSpace(itemValueOrig))
{
var itemValue = itemValueOrig.TrimEnd();
if (itemValue.Contains(' ') && itemValue.Length < 30)
{
// HtmlAgilityPack.HtmlDocument.HtmlEncode
td.Add(new XElement("nobr", (itemValue)));
}
else if (itemValue.Length > 170)
{
td.Add(new XElement("div"
, new XAttribute("style", "min-width: 400px;")
, itemValue));
}
else if (itemValue.Length > 70)
{
td.Add(new XElement("div"
, new XAttribute("style", "min-width: 200px;")
, itemValue));
}
else
{
td.Value = (itemValue);
}
}
row.Add(td);
}
table.Add(row);
}while (numerator.MoveNext());
// body.Add(table); return body as T;
return(table as T);
}
