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C# LoginViewDesigner类代码示例

本文整理汇总了C#中System.Web.UI.Design.WebControls.LoginViewDesigner的典型用法代码示例。如果您正苦于以下问题:C# LoginViewDesigner类的具体用法?C# LoginViewDesigner怎么用?C# LoginViewDesigner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。


LoginViewDesigner类属于System.Web.UI.Design.WebControls命名空间,在下文中一共展示了LoginViewDesigner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C#代码示例。

示例1: GetErrorDesignTimeHtml

//引入命名空间
using System;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.Design;
using System.Web.UI.Design.WebControls;
using System.Collections;
using System.ComponentModel;
using System.Security.Permissions;

namespace Examples.CS.WebControls.Design
{
    // The MyLoginView is a copy of the LoginView.
    [AspNetHostingPermission(SecurityAction.Demand, 
        Level = AspNetHostingPermissionLevel.Minimal)]
    [AspNetHostingPermission(SecurityAction.InheritanceDemand, 
        Level = AspNetHostingPermissionLevel.Minimal)]
    [Designer(typeof(Examples.CS.WebControls.Design.MyLoginViewDesigner))]
    public class MyLoginView : LoginView
    {
    } // MyLoginView

    // Override members of the LoginViewDesigner.
    [ReflectionPermission(SecurityAction.Demand, Flags=ReflectionPermissionFlag.MemberAccess)]
    public class MyLoginViewDesigner : LoginViewDesigner
    {
        // Generate the design-time markup for the control when an error occurs.
        protected override string GetErrorDesignTimeHtml(Exception ex) 
        {
            // Write the error message text in red, bold.
            string errorRendering =
                "<span style=\"font-weight:bold; color:Red; \">" +
                ex.Message + "</span>";

            return CreatePlaceHolderDesignTimeHtml(errorRendering);
        } // GetErrorDesignTimeHtml

        // Generate the design-time markup for the control 
        // when the template is empty.
        protected override string GetEmptyDesignTimeHtml()
        {
            // Generate a design-time placeholder containing the names of all
            // the role groups.
            MyLoginView myLoginViewCtl = (MyLoginView)ViewControl;
            RoleGroupCollection roleGroups = myLoginViewCtl.RoleGroups;
            string roleNames = null;

            // If there are any role groups, form a string of their names.
            if (roleGroups.Count > 0)
            {
                roleNames = "Role Groups: <br /> &nbsp;&nbsp;" + 
                    roleGroups[0].ToString();

                for( int rgX = 1; rgX < roleGroups.Count; rgX++ )
                    roleNames += 
                        "<br /> &nbsp;&nbsp;" + roleGroups[rgX].ToString();
            }
            return CreatePlaceHolderDesignTimeHtml( roleNames);
        } // GetEmptyDesignTimeHtml

        // Shadow control properties with design-time properties.
        protected override void PreFilterProperties(IDictionary properties)
        {
            // Call the base method first.
            base.PreFilterProperties(properties);

            // Make the NamingContainer visible in the Properties grid.
            PropertyDescriptor selectProp = 
                (PropertyDescriptor)properties["NamingContainer"];
            properties["NamingContainer"] =
                TypeDescriptor.CreateProperty(selectProp.ComponentType, 
                    selectProp, BrowsableAttribute.Yes);
        } // PreFilterProperties

        // Generate the design-time markup.
        public override string GetDesignTimeHtml(DesignerRegionCollection regions)
        {
            // Make the control more visible in the designer.   
            // Enclose the markup in a table with an orange border. 
            const string openTableMarkup =
                "<table><tr><td style=\"border:4 solid #FF7F00;\">";
            const string closeTableMarkup = "</td></tr></table>";

            // Call the base method to generate the markup.
            string markup = base.GetDesignTimeHtml(regions);

            return openTableMarkup + markup + closeTableMarkup;
        } // GetDesignTimeHtml

        public override void Initialize(IComponent component)
        {
            // Ensure that only a MyLoginView can be created in this designer.
            if (!(component is MyLoginView))
                throw new ArgumentException();

            // Call the base method to generate the markup.
            base.Initialize(component);
        } // Initialize
    } // MyLoginViewDesigner
} // Examples.CS.WebControls.Design
开发者ID:.NET开发者,项目名称:System.Web.UI.Design.WebControls,代码行数:100,代码来源:LoginViewDesigner


注:本文中的System.Web.UI.Design.WebControls.LoginViewDesigner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。