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VB.NET ObjectDataSourceDesigner类代码示例

本文整理汇总了VB.NET中System.Web.UI.Design.WebControls.ObjectDataSourceDesigner的典型用法代码示例。如果您正苦于以下问题:VB.NET ObjectDataSourceDesigner类的具体用法?VB.NET ObjectDataSourceDesigner怎么用?VB.NET ObjectDataSourceDesigner使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了ObjectDataSourceDesigner类的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的VB.NET代码示例。

示例1: PreFilterProperties

' 导入命名空间
Imports System.Web
Imports System.Web.UI.WebControls
Imports System.Web.UI.Design.WebControls
Imports System.Collections
Imports System.ComponentModel
Imports System.Security.Permissions

Namespace Examples.VB.WebControls.Design

    ' The MyObjectDataSource is a copy of the ObjectDataSource.
    <AspNetHostingPermission(SecurityAction.Demand, _
        Level:=AspNetHostingPermissionLevel.Minimal)> _
    <AspNetHostingPermission(SecurityAction.InheritanceDemand, _
        Level:=AspNetHostingPermissionLevel.Minimal)> _
    <Designer(GetType(Examples.VB.WebControls.Design. _
        MyObjectDataSourceDesigner))> _
    Public Class MyObjectDataSource
        Inherits ObjectDataSource
    End Class

    ' Derive a designer that inherits from the ObjectDataSourceDesigner.
    <ReflectionPermission(SecurityAction.Demand, Flags:=ReflectionPermissionFlag.MemberAccess)> _
    Public Class MyObjectDataSourceDesigner
        Inherits ObjectDataSourceDesigner

        ' Generate the design-time markup.
        Public Overrides Function GetDesignTimeHtml() As String

            ' Get a reference to the control or a copy of the control.
            Dim myODS As MyObjectDataSource = _
                CType(ViewControl, MyObjectDataSource)

            Dim markup As String = _
                CreatePlaceHolderDesignTimeHtml( _
                    "<b>TypeName</b> """ & myODS.TypeName & """<br />" & _
                    "<b>SelectMethod</b> """ & myODS.SelectMethod & """")

            Return markup

        End Function ' GetDesignTimeHtml

        ' Shadow the control properties with design-time properties.
        Protected Overrides Sub PreFilterProperties( _
            ByVal properties As IDictionary)

            ' Call the base method first.
            MyBase.PreFilterProperties(properties)

            ' Make the NamingContainer visible in the Properties grid.
            Dim selectProp As PropertyDescriptor = _
                CType(properties("NamingContainer"), PropertyDescriptor)
            properties("NamingContainer") = _
                TypeDescriptor.CreateProperty(selectProp.ComponentType, _
                    selectProp, BrowsableAttribute.Yes)
        End Sub

    End Class
End Namespace ' Examples.VB.WebControls.Design
开发者ID:VB.NET开发者,项目名称:System.Web.UI.Design.WebControls,代码行数:59,代码来源:ObjectDataSourceDesigner


注:本文中的System.Web.UI.Design.WebControls.ObjectDataSourceDesigner类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。