OriginalValueRecord 类
定义
提供对对象数据的原始值的访问。Provides access to the original values of object data.
public ref class OriginalValueRecord abstract : System::Data::Objects::DbUpdatableDataRecord
public abstract class OriginalValueRecord : System.Data.Objects.DbUpdatableDataRecord
type OriginalValueRecord = class
inherit DbUpdatableDataRecord
Public MustInherit Class OriginalValueRecord
Inherits DbUpdatableDataRecord
- 继承
属性
| DataRecordInfo |
获取数据记录信息。Gets data record information. (继承自 DbUpdatableDataRecord) |
| FieldCount |
获取记录中的字段数。Gets the number of fields in the record. (继承自 DbUpdatableDataRecord) |
| Item[Int32] |
返回具有给定字段序号的值。Returns a value that has the given field ordinal. (继承自 DbUpdatableDataRecord) |
| Item[String] |
获取具有给定字段名称的值。Gets a value that has the given field name. (继承自 DbUpdatableDataRecord) |
方法
| Equals(Object) |
确定指定对象是否等于当前对象。Determines whether the specified object is equal to the current object. (继承自 Object) |
| GetBoolean(Int32) |
检索布尔值形式的字段值。Retrieves the field value as a Boolean. (继承自 DbUpdatableDataRecord) |
| GetByte(Int32) |
检索 |
| GetBytes(Int32, Int64, Byte[], Int32, Int32) |
检索 |
| GetChar(Int32) |
检索 |
| GetChars(Int32, Int64, Char[], Int32, Int32) |
检索 |
| GetData(Int32) |
目前尚不支持。Not currently supported. (继承自 DbDataRecord) |
| GetDataReader(Int32) |
检索 DbDataReader 形式的字段值。Retrieves the field value as a DbDataReader. (继承自 DbUpdatableDataRecord) |
| GetDataRecord(Int32) |
检索 DbDataRecord 形式的字段值。Retrieves a field value as a DbDataRecord. (继承自 DbUpdatableDataRecord) |
| GetDataTypeName(Int32) |
检索字段数据类型的名称。Retrieves the name of the field data type. (继承自 DbUpdatableDataRecord) |
| GetDateTime(Int32) |
检索 DateTime 形式的字段值。Retrieves the field value as a DateTime. (继承自 DbUpdatableDataRecord) |
| GetDbDataReader(Int32) |
以 DbDataReader 形式检索字段值Retrieves the field value as a DbDataReader (继承自 DbUpdatableDataRecord) |
| GetDecimal(Int32) |
检索 |
| GetDouble(Int32) |
检索 |
| GetFieldType(Int32) |
检索字段的类型。Retrieves the type of a field. (继承自 DbUpdatableDataRecord) |
| GetFloat(Int32) |
检索 |
| GetGuid(Int32) |
检索 Guid 形式的字段值。Retrieves the field value as a Guid. (继承自 DbUpdatableDataRecord) |
| GetHashCode() |
作为默认哈希函数。Serves as the default hash function. (继承自 Object) |
| GetInt16(Int32) |
检索 Int16 形式的字段值。Retrieves the field value as an Int16. (继承自 DbUpdatableDataRecord) |
| GetInt32(Int32) |
检索 Int32 形式的字段值。Retrieves the field value as an Int32. (继承自 DbUpdatableDataRecord) |
| GetInt64(Int32) |
检索 Int64 形式的字段值。Retrieves the field value as an Int64. (继承自 DbUpdatableDataRecord) |
| GetName(Int32) |
检索字段的名称。Retrieves the name of a field. (继承自 DbUpdatableDataRecord) |
| GetOrdinal(String) |
使用字段名检索字段的序号。Retrieves the ordinal of a field by using the name of the field. (继承自 DbUpdatableDataRecord) |
| GetRecordValue(Int32) |
检索字段的值。Retrieves the value of a field. (继承自 DbUpdatableDataRecord) |
| GetString(Int32) |
检索字符串形式的字段值。Retrieves the field value as a string. (继承自 DbUpdatableDataRecord) |
| GetType() |
获取当前实例的 Type。Gets the Type of the current instance. (继承自 Object) |
| GetValue(Int32) |
检索字段的值。Retrieves the value of a field. (继承自 DbUpdatableDataRecord) |
| GetValues(Object[]) |
使用当前记录的字段值来填充对象数组。Populates an array of objects with the field values of the current record. (继承自 DbUpdatableDataRecord) |
| IsDBNull(Int32) |
返回指示指定字段是否设置为 DBNull 的值。Returns whether the specified field is set to DBNull. (继承自 DbUpdatableDataRecord) |
| MemberwiseClone() |
创建当前 Object 的浅表副本。Creates a shallow copy of the current Object. (继承自 Object) |
| SetBoolean(Int32, Boolean) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetByte(Int32, Byte) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetChar(Int32, Char) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetDataRecord(Int32, IDataRecord) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetDateTime(Int32, DateTime) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetDBNull(Int32) |
将一个字段设置为 DBNull 值。Sets a field to the DBNull value. (继承自 DbUpdatableDataRecord) |
| SetDecimal(Int32, Decimal) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetDouble(Int32, Double) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetFloat(Int32, Single) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetGuid(Int32, Guid) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetInt16(Int32, Int16) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetInt32(Int32, Int32) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetInt64(Int32, Int64) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetRecordValue(Int32, Object) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetString(Int32, String) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetValue(Int32, Object) |
设置记录中一个字段的值。Sets the value of a field in a record. (继承自 DbUpdatableDataRecord) |
| SetValues(Object[]) |
设置记录中的字段值。Sets field values in a record. (继承自 DbUpdatableDataRecord) |
| ToString() |
返回表示当前对象的字符串。Returns a string that represents the current object. (继承自 Object) |
显式接口实现
| ICustomTypeDescriptor.GetAttributes() |
返回此组件实例的自定义属性的集合。Returns a collection of custom attributes for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetClassName() |
返回此组件实例的类名称。Returns the class name of this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetComponentName() |
返回某个组件的此实例的名称。Returns the name of this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetConverter() |
返回此组件实例的类型转换器。Returns a type converter for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetDefaultEvent() |
返回某个组件的此实例的默认事件。Returns the default event for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetDefaultProperty() |
返回此组件实例的默认属性。Returns the default property for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetEditor(Type) |
返回此组件实例的指定类型的编辑器。Returns an editor of the specified type for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetEvents() |
返回此组件实例的事件。Returns the events for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetEvents(Attribute[]) |
使用指定的属性数组作为筛选器,返回此组件实例的事件。Returns the events for this instance of a component using the specified attribute array as a filter. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetProperties() |
返回此组件实例的属性。Returns the properties for this instance of a component. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetProperties(Attribute[]) |
使用特性数组作为筛选器,返回此组件实例的属性。Returns the properties for this instance of a component using the attribute array as a filter. (继承自 DbDataRecord) |
| ICustomTypeDescriptor.GetPropertyOwner(PropertyDescriptor) |
返回一个对象,该对象包含指定的属性描述符所描述的属性。Returns an object that contains the property described by the specified property descriptor. (继承自 DbDataRecord) |
| IDataRecord.GetData(Int32) |
检索 IDataReader 形式的字段值。Retrieves the field value as an IDataReader. (继承自 DbUpdatableDataRecord) |