CODEWITHSUNDEEP
asp.netvb.netrepeater
Ani
Ani

Reputation: 4523

2 PlaceHolder inside Repeater - Hide/Show

I am trying to hide PlaceHolder2 and show PlaceHolder1 - on click of linkButton. Both are insider repeater.

Aspx

<form id="form1" runat="server">
   <asp:Repeater ID="rptOnly" runat="server">
         <ItemTemplate>
              <asp:PlaceHolder ID="PlaceHolder1" runat="server" Visible="False">
                      //Display some images
              </asp:PlaceHolder>
              <asp:PlaceHolder ID="PlaceHolder2" runat="server">
                   <asp:linkbutton runat="server" id="lnkbtn" text="Click Here" OnClick="Myfunction_Click" />
              </asp:PlaceHolder>
         </ItemTemplate>
   </asp:Repeater>
</form>

VB.net

Protected Sub Myfunction_Click(sender As Object, e As EventArgs)
    PlaceHolder1.Visible = True
    PlaceHolder2.Visible = False
End Sub

Upvotes: 0

Views: 1891

Answers (2)

NoAlias
NoAlias

Reputation: 9193

Use FindControl from the RepeaterItem (as there could be multiple items in the Repeater) and then set the visibility.

EX for First Item in Repeater =

CType(rptOnly.Items(0).FindControl("PlaceHolder1"), PlaceHolder).Visible = True
CType(rptOnly.Items(0).FindControl("PlaceHolder2"), PlaceHolder).Visible = False

For all items in the repeater, do a For Each RPI as RepeaterItem in rptOnly.Items and do the same thing.

Edit from Comments:

Your particular issue would have you set the CommandName Property of your Button, which is also within the ItemTemplate, and change the visibility of the PlaceHolders in the ItemCommand Event of the Repeater.

CType(e.Item.FindControl("PlaceHolder1"), PlaceHolder).Visible = True

Upvotes: 1

Daniel Flippance
Daniel Flippance

Reputation: 7932

The repeater has a collection of items - You need to check each item in the collection:

For Each c As Control in rptOnly.Items

    Dim p1 As Control = c.FindControl("PlaceHolder1")
    Dim p2 As Control = c.FindControl("PlaceHolder2")

    If p1 IsNot Nothing Then
        p1.Visible = True
    End If
    If p2 IsNot Nothing Then
        p2.Visible = False
    End If
Next

Each item is a RepeaterItem: http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.repeateritem_methods(v=vs.110).aspx

In Myfunction_Click you should be able to find the placeholder as the control parent - something like this (you might need to cast the Parent object):

Protected Sub Myfunction_Click(sender As Object, e As EventArgs)
    sender.Parent.Visible = True
    sender.Parent.Visible = False
End Sub

Upvotes: 1

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