Question

Adding a click event to a LinkButton (C#)

Asked by: senior_internet

Hi,

I'm trying to programitically add LinkButtons to my web form.

    protected void Page_PreRender(object sender, EventArgs e)
    {
        for(int i = 1 ; i <= _pageCount ; i++)
        {
            LinkButton pageNumber = new LinkButton();
            pageNumber.CommandArgument = i.ToString();
            pageNumber.Text = i.ToString();
            pageNumber.Click += new EventHandler(this.pageNumber_Click);
            pnlPaging.Controls.Add(pageNumber);
        }
    }

    protected void pageNumber_Click(object sender, EventArgs e)
    {
          dot stuff....
    }

However, the pageNumber_Click method never runs when I click on of the LinkButtons. I 've steped through the process in debug and it just gets completely skipped. Am I missing something?

Cheers, cm

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Asked On
2007-03-07 at 06:19:35ID22433596
Tags

_pagecount

,

linkbutton

Topics

C# Programming Language

,

Programming for ASP.NET

Participating Experts
2
Points
500
Comments
4

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Answers

 

by: gbzhhuPosted on 2007-03-07 at 06:37:23ID: 18670332

See this article.  It explains the problem

http://www.codetoad.com/forum/23_24438.asp

 

by: netswapPosted on 2007-03-07 at 07:01:43ID: 18670529

Hi senior_architect,

try following code

protected void Page_PreRender(object sender, EventArgs e)
    {
        for(int i = 1 ; i <= _pageCount ; i++)
        {
            LinkButton pageNumber = new LinkButton();
            pnlPaging.Controls.Add(pageNumber);
            pageNumber.CommandArgument = i.ToString();
            pageNumber.Text = i.ToString();
            pageNumber.Click += new EventHandler(this.pageNumber_Click);
     
        }
    }

    protected void pageNumber_Click(object sender, EventArgs e)
    {
          dot stuff....
    }

 

by: senior_internetPosted on 2007-03-12 at 02:32:15ID: 18700582

Hi,

Thanks both for the replies.

netswap. I still have the same problem when using your code unfortunately.
gbzhhu: From reading through that article I think I understand that the problem is WHEN i'm adding the event rather than HOW. I ran tests where I added a click event to a control in Page_Init() which seemed to work. Unfortunately there's no way for me to access my '_pageCount' variable at this point so I've had to abandon the idea and find another way around it (I put the button inside the footer of the GridView and use the RowCommand event).

CM

 

by: gbzhhuPosted on 2007-03-12 at 04:42:11ID: 18701086

Glad you have a solution

20120131-EE-VQP-002

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