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How to require users to log in before posting comments - ID#1048

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Last Modified: 7/11/2008

Related categories: Modules;

Article information
Article relates to	Sitefinity 3.2 Hotfix 1616
Created by	Penka Ivanova
Last modified by	Rebecca

To implement login for posting comments to blogs, you need to create your own control that extends the base class Telerik.Blogs.WebControls.BlogCommentsList.

This is how to do it:

1. In the CreateChildControls method of the BlogCommentsList extender, subscribe Submit button to the Click event and then add an event handler:

    
            protected override void CreateChildControls() 
        
                    { 
        
                        if (this.Page == null) 
        
                            this.Page = new Page(); 
        
                        base.CreateChildControls(); 
        
                        this.Container.SubmitButton.Click += new EventHandler(SubmitButton_Click); 
        
                    }

2. In the event handler, check whether the user is authenticated:

    
            void SubmitButton_Click(object sender, EventArgs e) 
        
                    { 
        
                        if (!this.Page.User.Identity.IsAuthenticated) 
        
                        { 
        
                            this.ParentID = Guid.Empty; 
        
                            this.Page.Response.Redirect("~/login.aspx"); 
        
                        } 
        
                    }

3. Modify the ~/Sitefinity/ControlTemplates/Blogs/ContentViewSingleItem.ascx template to use BlogCommentsListExtender instead of the old BlogCommentsList custom control.

    
            ... 
        
            <%@ Register Assembly="App_Code" Namespace="Telerik.Blogs.WebControls" TagPrefix="sfWeb" %> 
        
            ... 
        
            <sfWeb:BlogCommentsListExtender ID="commentsList" runat="server" CssClass="sf_commentsList"> 
        
                    ... 
        
            </sfWeb:BlogCommentsListExtender>

See attachment for full example.

You can use the same approach to achieve the same functionality for the CommentsList control. Note that the extender there should inherit the Telerik.Cms.Engine.WebControls.CommentsList base class.

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