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Problem executing function as event from dynamic created linkbuttons

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sniper1983 sniper1983 is offline

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Problem executing function as event from dynamic created linkbuttons

Nov 20th, 2007

Hi..

Sorry if this post is misplaced but thourght that it would fit in best here.

What I want to do is call a function, maybe by postback, when a dynamic constructed linkbutton is pushed. This should be done with a parameter and this is the part that I can't figure how to do..

The code I have tried to do this with is:

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1    Partial Class Webform2
2        Inherits System.Web.UI.Page
3    
4        Dim linkButton1 As System.Web.UI.WebControls.LinkButton
5    
6        Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
7    
8            'loop that creates linkbuttons
9            Dim i = 0
10           For i = 0 To 5
11               linkButton1 = New LinkButton()
12               linkButton1.ID = "TesterLinkbox" + i.ToString
13               linkButton1.Text = i.ToString
14               linkButton1.CommandName = "test12"
15               linkButton1.CommandArgument = "The value i want to pass" 'i.ToString
16               linkButton1.OnClientClick = "javascript:__doPostBack('LinkButtonTest12','test1');"
17               Panel1.Controls.Add(linkButton1)
18           Next
19   
20   
21       End Sub
22   
23   ' Did not know if i could use panel-events to handle it..???!
24   
25       'Protected Sub fisk_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Panel1.Init
26       '    MsgBox("Panel initialised")
27       '    Dim lb As LinkButton = CType(sender, LinkButton)
28       '    If lb.CommandName = "Fisk" Then
29       '        MsgBox(lb.CommandArgument)
30       '        Response.Write(lb.CommandArgument) 'your argument here do any thing you want
31       '    End If
32   
33       'End Sub
34   
35   ' Handles ordinary clicks on a normal linkbutton
36   
37       Protected Sub Kongen_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Kongen.Click
38           MsgBox("YES")
39           Dim lb As LinkButton = CType(sender, LinkButton)
40           If lb.CommandName = "Click" Then
41               MsgBox(lb.CommandArgument)
42               Response.Write(lb.CommandArgument)
43           End If
44   
45       End Sub
46   
47      Protected Sub LinkButtonTest12_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles LinkButtonTest12.Click
48           MsgBox("Test12")
49           Dim lb As LinkButton = CType(sender, LinkButton)
50           If lb.CommandName = "test12" Then
51               MsgBox(lb.CommandArgument)
52               'Response.Write(lb.CommandArgument) 'your argument here do any thing you want
53           End If
54       End Sub
55   End Class
56   
57

1    Partial Class Webform2
2        Inherits System.Web.UI.Page
3    
4        Dim linkButton1 As System.Web.UI.WebControls.LinkButton
5    
6        Private Sub Page_Init(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Init
7    
8            'loop that creates linkbuttons
9            Dim i = 0
10           For i = 0 To 5
11               linkButton1 = New LinkButton()
12               linkButton1.ID = "TesterLinkbox" + i.ToString
13               linkButton1.Text = i.ToString
14               linkButton1.CommandName = "test12"
15               linkButton1.CommandArgument = "The value i want to pass" 'i.ToString
16               linkButton1.OnClientClick = "javascript<b></b>:__doPostBack('LinkButtonTest12','test1');"
17               Panel1.Controls.Add(linkButton1)
18           Next
19   
20   
21       End Sub
22   
23   ' Did not know if i could use panel-events to handle it..???!
24   
25       'Protected Sub fisk_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Panel1.Init
26       '    MsgBox("Panel initialised")
27       '    Dim lb As LinkButton = CType(sender, LinkButton)
28       '    If lb.CommandName = "Fisk" Then
29       '        MsgBox(lb.CommandArgument)
30       '        Response.Write(lb.CommandArgument) 'your argument here do any thing you want
31       '    End If
32   
33       'End Sub
34   
35   ' Handles ordinary clicks on a normal linkbutton
36   
37       Protected Sub Kongen_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles Kongen.Click
38           MsgBox("YES")
39           Dim lb As LinkButton = CType(sender, LinkButton)
40           If lb.CommandName = "Click" Then
41               MsgBox(lb.CommandArgument)
42               Response.Write(lb.CommandArgument)
43           End If
44   
45       End Sub
46   
47      Protected Sub LinkButtonTest12_Click(ByVal sender As Object, ByVal e As System.EventArgs) Handles LinkButtonTest12.Click
48           MsgBox("Test12")
49           Dim lb As LinkButton = CType(sender, LinkButton)
50           If lb.CommandName = "test12" Then
51               MsgBox(lb.CommandArgument)
52               'Response.Write(lb.CommandArgument) 'your argument here do any thing you want
53           End If
54       End Sub
55   End Class
56   
57

The ASP.NET site looks like this:

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1    <%@ Page Language="VB" AutoEventWireup="false" CodeFile="Webform2.aspx.vb" Inherits="Webform2" %>
2    
3    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
4    
5    <html xmlns="http://www.w3.org/1999/xhtml" >
6    <head runat="server">
7        <title>Untitled Page</title>
8    </head>
9    <body>
10       <form id="form1" runat="server">
11       <div>
12           <asp:LinkButton ID="Kongen" CommandName="Click" CommandArgument="Test" runat="server">Kongen</asp:LinkButton>
13           <asp:HiddenField ID="Target" runat="server" />
14       
15       </div>
16           <asp:HiddenField ID="Argument" runat="server" />
17           <asp:Panel ID="Panel1" runat="server" Height="331px" Width="511px">
18           <asp:LinkButton ID="LinkButtonTest12" runat="server">Test12</asp:LinkButton>
19           </asp:Panel>
20       </form>
21   </body>
22   </html>

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