IVsDataColumn 接口
定义
重要
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表示描述表格对象列的映射对象。
public interface class IVsDataColumn : Microsoft::VisualStudio::Data::Core::IVsDataSiteableObject<Microsoft::VisualStudio::Data::Services::IVsDataMappedObject ^>, Microsoft::VisualStudio::Data::Services::IVsDataMappedObject[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableForeignKeyColumn", AvailableRestrictions="Catalog, Schema, Table, TableForeignKey, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, TableForeignKey, Name", RequiredOrdering="Catalog, Schema, Table, TableForeignKey, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableColumn", AvailableRestrictions="Catalog, Schema, Table, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, Name", RequiredOrdering="Catalog, Schema, Table, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TabularObjectColumn", AvailableRestrictions="Catalog, Schema, Object, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Object, Name", RequiredOrdering="Catalog, Schema, Object, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("ViewColumn", AvailableRestrictions="Catalog, Schema, View, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, View, Name", RequiredOrdering="Catalog, Schema, View, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("StoredProcedureColumn", AvailableRestrictions="Catalog, Schema, StoredProcedure, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, StoredProcedure, Name", RequiredOrdering="Catalog, Schema, StoredProcedure, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TabularFunctionColumn", AvailableRestrictions="Catalog, Schema, TabularFunction, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, TabularFunction, Name", RequiredOrdering="Catalog, Schema, TabularFunction, Ordinal")]
[Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableUniqueKeyColumn", AvailableRestrictions="Catalog, Schema, Table, TableUniqueKey, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, TableUniqueKey, Name", RequiredOrdering="Catalog, Schema, Table, TableUniqueKey, Ordinal")]
public interface IVsDataColumn : Microsoft.VisualStudio.Data.Core.IVsDataSiteableObject<Microsoft.VisualStudio.Data.Services.IVsDataMappedObject>, Microsoft.VisualStudio.Data.Services.IVsDataMappedObject[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableForeignKeyColumn", AvailableRestrictions="Catalog, Schema, Table, TableForeignKey, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, TableForeignKey, Name", RequiredOrdering="Catalog, Schema, Table, TableForeignKey, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableColumn", AvailableRestrictions="Catalog, Schema, Table, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, Name", RequiredOrdering="Catalog, Schema, Table, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TabularObjectColumn", AvailableRestrictions="Catalog, Schema, Object, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Object, Name", RequiredOrdering="Catalog, Schema, Object, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("ViewColumn", AvailableRestrictions="Catalog, Schema, View, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, View, Name", RequiredOrdering="Catalog, Schema, View, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("StoredProcedureColumn", AvailableRestrictions="Catalog, Schema, StoredProcedure, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, StoredProcedure, Name", RequiredOrdering="Catalog, Schema, StoredProcedure, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TabularFunctionColumn", AvailableRestrictions="Catalog, Schema, TabularFunction, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, TabularFunction, Name", RequiredOrdering="Catalog, Schema, TabularFunction, Ordinal")>]
[<Microsoft.VisualStudio.Data.Services.DataMappedObjectType("TableUniqueKeyColumn", AvailableRestrictions="Catalog, Schema, Table, TableUniqueKey, Name", ClassId="9AEBB15B-6649-4fb6-B6F7-B594F6E16F70", Identifier="Catalog, Schema, Table, TableUniqueKey, Name", RequiredOrdering="Catalog, Schema, Table, TableUniqueKey, Ordinal")>]
type IVsDataColumn = interface
interface IVsDataMappedObject
interface IVsDataSiteableObject<IVsDataMappedObject>Public Interface IVsDataColumn
Implements IVsDataMappedObject, IVsDataSiteableObject(Of IVsDataMappedObject)- 派生
- 属性
- 实现
属性
| AdoDotNetDataType |
从特定于 ADO.NET 的枚举中获取 ADO.NET 数据类型作为数值。 |
| AdoDotNetDbType |
从 枚举中 DbType 获取一个值，该值指定 ADO.NET 数据提供程序的列的数据类型。 |
| FrameworkDataType |
获取列.NET Framework类型。 |
| Identifier |
获取唯一标识当前泛型映射类型的标识符部分的列表。 (继承自 IVsDataMappedObject) |
| IsDeleted |
获取一个值，该值指示是否删除当前泛型映射类型。 (继承自 IVsDataMappedObject) |
| IsNullable |
获取一个值，该值指示列是否可为 null。 |
| Length |
获取列的长度。 |
| Name |
获取泛型映射类型的名称。 (继承自 IVsDataMappedObject) |
| NativeDataType |
获取特定于数据源的数据类型名称。 |
| Ordinal |
获取列的序号，该序号指定列在列集合中的顺序。 |
| Precision |
获取列中存储的最大位数。 |
| Properties |
获取名称/值对，其中包含与当前泛型映射类型关联的属性名称和值。 (继承自 IVsDataMappedObject) |
| Scale |
获取小数点右侧的最大位数。 |
| Selector |
获取一个选择器对象，该对象允许从数据对象支持 XML 文件检索数据源特定的元数据。 (继承自 IVsDataMappedObject) |
| Site |
获取或设置站点。 (继承自 IVsDataSiteableObject<T>) |
| Type |
获取当前泛型映射类型的字符串类型名称。 (继承自 IVsDataMappedObject) |
| UnderlyingObject |
获取当前泛型映射类型包含的基础对象。 (继承自 IVsDataMappedObject) |
| UserDataType |
获取用户定义的数据类型。 |