BaseFieldControl 类

项目
05/13/2015

使用一个或多个子控件（例如标签、链接或文本框控件中呈现表单页（未列表视图页）上的字段。

继承层次结构

System.Object
  System.Web.UI.Control
    Microsoft.SharePoint.WebControls.SPControl
      Microsoft.SharePoint.WebControls.TemplateBasedControl
        Microsoft.SharePoint.WebControls.FormComponent
          Microsoft.SharePoint.WebControls.FieldMetadata
            Microsoft.SharePoint.WebControls.BaseFieldControl

命名空间： Microsoft.SharePoint.WebControls
程序集： Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）

语法

声明
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
<AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public MustInherit Class BaseFieldControl _
    Inherits FieldMetadata _
    Implements IValidator
用法
Dim instance As BaseFieldControl

[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
[AspNetHostingPermissionAttribute(SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public abstract class BaseFieldControl : FieldMetadata, 
    IValidator

备注

使用此类作为基类派生控件来呈现特定类型的字段在列表表单上（但不是在列表视图上）。

BaseFieldControl类型的对象主要用作SPField.FieldRenderingControl属性的值。

线程安全性

该类型的任何公共静态 (已共享在 Visual Basic 中) 成员都是线程安全的。不保证任何实例成员都是线程安全的。

另请参阅

引用

BaseFieldControl 成员

Microsoft.SharePoint.WebControls 命名空间

其他资源

Patterns of Custom Field Rendering

Custom Field Types

Walkthrough: Creating a Custom Field Type

继承层次结构

System.Object
  System.Web.UI.Control
    Microsoft.SharePoint.WebControls.SPControl
      Microsoft.SharePoint.WebControls.TemplateBasedControl
        Microsoft.SharePoint.WebControls.FormComponent
          Microsoft.SharePoint.WebControls.FieldMetadata
            Microsoft.SharePoint.WebControls.BaseFieldControl
              Microsoft.SharePoint.WebControls.AllDayEventField
              Microsoft.SharePoint.WebControls.AttachmentsField
              Microsoft.SharePoint.WebControls.AttendeeField
              Microsoft.SharePoint.WebControls.BaseChoiceField
              Microsoft.SharePoint.WebControls.BaseTextField
              Microsoft.SharePoint.WebControls.BooleanField
              Microsoft.SharePoint.WebControls.BusinessDataFieldControl
              Microsoft.SharePoint.WebControls.CalculatedField
              Microsoft.SharePoint.WebControls.ComputedField
              Microsoft.SharePoint.WebControls.CrossProjectLinkField
              Microsoft.SharePoint.WebControls.DateTimeField
              Microsoft.SharePoint.WebControls.FieldValue
              Microsoft.SharePoint.WebControls.FileField
              Microsoft.SharePoint.WebControls.FormField
              Microsoft.SharePoint.WebControls.GeolocationFieldControl
              Microsoft.SharePoint.WebControls.GuidField
              Microsoft.SharePoint.WebControls.LookupField
              Microsoft.SharePoint.WebControls.ParentInformationField
              Microsoft.SharePoint.WebControls.RatingScaleField
              Microsoft.SharePoint.WebControls.RecurrenceField
              Microsoft.SharePoint.WebControls.UrlField
              Microsoft.SharePoint.WebControls.UserField