using System; using System.Collections.Generic; using System.Collections.ObjectModel; public class Dinosaurs : Collection<string> { public event EventHandler<DinosaursChangedEventArgs> Changed; protected override void InsertItem(int index, string newItem) { base.InsertItem(index, newItem); EventHandler...
{ } public override string FormatErrorMessage(string name) { return String.Format(CultureInfo.CurrentUICulture, ErrorMessageString, name, _minCharacters); } public override bool IsValid(object value) { string valueAsString = value as string; return (valueAsString != null && valueAsString.Length ...
The Create and Edit methods and views also pass a Movie model object.Examine the Index.cshtml view and the Index method in the Movies controller. Notice how the code creates a List object when it calls the View method. The code passes this Movies list from the Index action method to the...
The Create and Edit methods and views also pass a Movie model object.Examine the Index.cshtml view and the Index method in the Movies controller. Notice how the code creates a List object when it calls the View method. The code passes this Movies list from the Index action method to the...
CodeObject 包含自定义代码。 ColorProperty 表示报表中的颜色属性。 ComparablePropertyDefinition<T> 包含RDL 对象模型使用的类。 RDL 对象模型有助于在报表处理期间操纵报表,以便在呈现报表之前自定义报表的数据或外观。 ComponentMetadata 表示与报表部件相关联的一组元数据。 ConnectionProperties 包含有关数据源连接的...
id # Returns the ID of your new object. There’s no way to tell what the value of an ID will be before you call save(), because that value is calculated by your database, not by Django. For convenience, each model has an AutoField named id by default unless you explicitly specify...
using System; using System.Collections.Generic; using System.Collections.ObjectModel; public class Dinosaurs : Collection<string> { public event EventHandler<DinosaursChangedEventArgs> Changed; protected override void InsertItem(int index, string newItem) { base.InsertItem(index, newItem); EventHandler...
publicReadOnlyObservableCollection(System.Collections.ObjectModel.ObservableCollection<T> list); 参数 list ObservableCollection<T> ObservableCollection<T>,用于创建ReadOnlyObservableCollection<T>类的此实例。 例外 ArgumentNullException list为null。 适用于
Note that if you provide an exclude argument to validate_unique(), any unique_together constraint involving one of the fields you provided will not be checked.Saving objects¶ To save an object back to the database, call save(): Model.save(force_insert=False, force_update=False, using=DE...
Qwen2.5 is the large language model series developed by Qwen team, Alibaba Cloud. - vllm中的例子跑不通,出现错误{"object":"error","message":"The model `Qwen/Qwen1.5-7B-Chat` does not exist.","type":"NotFoundError","param":null,"code":404} · Issue #87 ·