Re: Conditional Row in Repeater

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From: Wayne Wengert (wayneDONTWANTSPAM_at_wengert.com)
Date: 11/17/04 

Date: Wed, 17 Nov 2004 11:31:40 -0700

Thank you - I'll try that.

Wayne

"Lachlan James" <anonymous@discussions.microsoft.com> wrote in message
news:6e6e01c4ccc5$61a603b0$a601280a@phx.gbl...
> Because the Panel is inside the repeater you will need to
> get a reference to it by calling e.Item.FindControl()
> before setting its value.
>
> >-----Original Message-----
> >I am using VB with ASP.NET and I have a repeater control
> which displays a
> >list of records from a dataset. The records are ordered
> by ZIP code. I want
> >to insert an extra row containing the name of the current
> state (with a
> >different background color) when the value of the "State"
> field changes.
> >Based on some information I found via Google I am trying
> to include that
> >conditional row within a Panel control and then use the
> Visible property to
> >enable it when the value of State changes. Portions of my
> page and code are
> >below. When I run this I am getting an error that "Object
> reference not set
> >to an instance of an object" on the line:
> >
> >Panel1.Visible = True
> >
> >Any suggestions or advice appreciated
> >
> >Wayne
> >
> >
> >=========== ItemBound Function ===============
> >Protected Sub NewClassRow(ByVal sender As Object, ByVal e
> As
> >RepeaterItemEventArgs)
> >
> >If e.Item.ItemType = ListItemType.Item Or _
> >
> >e.Item.ItemType = ListItemType.AlternatingItem Then
> >
> >Dim dbr As System.Data.Common.DbDataRecord = CType
> (e.Item.DataItem,
> >System.Data.Common.DbDataRecord)
> >
> >If Not (dbr("State")) = laststate Then
> >
> >Panel1.Visible = True
> >
> >laststate = dbr("State")
> >
> >End If
> >
> >End If
> >
> >End Sub
> >
> >
> >======== portion of repeater control
> ======================
> ><ItemTemplate>
> > <asp:Panel id="Panel1" visible =False runat="server">
> > <tr id="newclass" bgcolor="#ffff66" runat="server"
> height="0">
> > <td id="newclasscol" runat="server" colspan="8"
> align="center"
> >height="0">newstate</td>
> > </tr>
> > </asp:Panel>
> > <tr>
> > <td><%# DataBinder.Eval
> (Container,"DataItem.FullName") %></td>
> > <td align="center"><%# DataBinder.Eval
> (Container,"DataItem.Group")
> >%></td>
> > <td align="center"><%# DataBinder.Eval
> (Container,"DataItem.City")
> >%></td>
> > <td align="center"><%# DataBinder.Eval
> (Container,"DataItem.State")
> >%></td>
> > <td>
> > <asp:HyperLink id="Hyperlink1" runat="server"
> NavigateUrl= '<%#
> >DataBinder.Eval(Container.DataItem,"WebSite") %>'
> Text= '<%#
> >DataBinder.Eval(Container, "DataItem.WebSite") %> '>
> > </asp:HyperLink>
> > </td>
> > </tr>
> ></ItemTemplate>
> >
> >
> >.
> >

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