public void GetDisplayString()
{
MetaModel m = Utils.CommonInitialize(true);
var route = RouteTable.Routes[0] as MyDynamicDataRoute;
MetaTable t = m.Tables[TestDataContext.TableFooWithDefaults];
var foo = new FooWithDefaults();
Assert.AreEqual(String.Empty, t.GetDisplayString(null), "#A1");
AssertExtensions.Throws <HttpException> (() => t.GetDisplayString(String.Empty), "#A2");
Assert.AreEqual("hello", t.GetDisplayString(foo), "#A3");
AssertExtensions.Throws <HttpException> (() => t.GetDisplayString("TestString"), "#A4");
// The method looks at the entity type to see if it has an overriden ToString method,
// it ignores such methods on the passed "row"
var foo2 = new FooWithToString();
Assert.AreEqual("hello", t.GetDisplayString(foo2), "#B1");
t = m.Tables[TestDataContext.TableFooWithToString];
Assert.AreEqual("ValueFrom_ToString", t.GetDisplayString(foo2), "#C1");
// If we pass an object which is not of EntityType,
// the method returns the result of row.ToString ()
Assert.AreEqual(foo.GetType().ToString(), t.GetDisplayString(foo), "#C2");
var foo3 = new FooNoDefaultsWithPrimaryKey();
t = m.Tables[TestDataContext.TableFooNoDefaultsWithPrimaryKey];
Assert.AreEqual(String.Empty, t.GetDisplayString(foo3), "#D1");
}
private void BindToDataItem(object dataItem)
{
dataItem = Misc.GetRealDataItem(dataItem);
Debug.Assert(dataItem != null, "DataItem is null");
// Try to get the MetaTable from the type and if we can't find it then ---- up.
MetaTable table = Misc.GetTableFromTypeHierarchy(dataItem.GetType());
if (table == null)
{
throw new InvalidOperationException(String.Format(
CultureInfo.CurrentCulture,
DynamicDataResources.MetaModel_EntityTypeDoesNotBelongToModel,
dataItem.GetType().FullName));
}
string action = GetActionOrDefaultTo(PageAction.Details);
NavigateUrl = table.GetActionPath(action, GetRouteValues(table, dataItem));
if (String.IsNullOrEmpty(Text))
{
if (!String.IsNullOrEmpty(DataField))
{
Text = DataBinder.GetPropertyValue(dataItem, DataField).ToString();
}
else
{
Text = table.GetDisplayString(dataItem);
}
}
}
public static void FillListItemCollection(System.Web.DynamicData.MetaTable table, ListItemCollection listItemCollection)
{
Func <object, object> func2 = null;
IQueryable query = table.GetQuery();
IEnumerable enumerable = null;
MetaColumn sortColumn = table.SortColumn;
if (sortColumn == null)
{
enumerable = query;
}
else if (sortColumn.IsCustomProperty)
{
IEnumerable <object> source = query.Cast <object>().AsEnumerable <object>();
if (func2 == null)
{
func2 = delegate(object row)
{
return(DataBinder.GetPropertyValue(row, sortColumn.Name));
};
}
Func <object, object> keySelector = func2;
if (table.SortDescending)
{
enumerable = source.OrderByDescending <object, object>(keySelector);
}
else
{
enumerable = source.OrderBy <object, object>(keySelector);
}
}
else
{
ParameterExpression expression = Expression.Parameter(table.EntityType, "row");
LambdaExpression expression2 = null;
if (sortColumn is MetaForeignKeyColumn)
{
MetaColumn column = (sortColumn as MetaForeignKeyColumn).ParentTable.SortColumn;
expression2 = Expression.Lambda(Expression.Property(Expression.Property(expression, sortColumn.Name), column.Name), new ParameterExpression[] { expression });
}
else
{
expression2 = Expression.Lambda(Expression.Property(expression, sortColumn.Name), new ParameterExpression[] { expression });
}
string methodName = table.SortDescending ? "OrderByDescending" : "OrderBy";
MethodCallExpression expression3 = Expression.Call(typeof(Queryable), methodName, new Type[] { query.ElementType, expression2.Body.Type }, new Expression[] { query.Expression, expression2 });
enumerable = query.Provider.CreateQuery(expression3);
}
foreach (object obj2 in enumerable)
{
string displayString = table.GetDisplayString(obj2);
string primaryKeyString = table.GetPrimaryKeyString(obj2);
listItemCollection.Add(new ListItem(displayString, primaryKeyString.TrimEnd(new char[0])));
}
}
private static string CreateAutoCompleteItem(MetaTable table, object row) {
return AutoCompleteExtender.CreateAutoCompleteItem(table.GetDisplayString(row), table.GetPrimaryKeyString(row));
}
