asp:label in asp:datalist - Setting Text Value Does not work!

[Harry]

Hi,

Can anyone tell me why the below code does not work.
I dont get any errors, but nor does the Text for the asp:label get
set.

Thanks in advance as always
H

protected void Page_Load(objec t source,
System.Web.UI.W ebControls.Data ListCommandEven tArgs e)
{
if (Request.QueryS tring["Range"] == "Plat_Price "){
string PlatLabel = "Platino";
Label hypSelectC = (Label)e.Item.F indControl("hyp SelectC");
hypSelectC.Text = "PlatLabel" ;
}
}
And in the html I have the following label, which is contained within
a Datalist.

<ASP:DataList ID="dlListCases "
RepeatColumns=" 2"
RepeatDirection ="Horizontal "
RepeatLayout="T able" ItemStyle-CssClass="CaseR ightBorder"
runat="server">
<ItemTemplate >
<table border="0" cellpadding="0" cellspacing="0"
class="CaseTabl e">
<tr>
<td colspan="2" class="CaseTabl eHeader"><%#
DataBinder.Eval (Container.Data Item, "CaseName") %>
</td>
</tr>
<tr>
<td width="75" valign="middle" >
<asp:image runat="server" AlternateText=" Thumbnail" ImageUrl='<%#
DataBinder.Eval (Container.Data Item, "image_thum b") %>'/>
<br>
</td>
<td width="134" valign="top"> <%#
DataBinder.Eval (Container.Data Item,
"Bullet_Points" ).ToString().Re place("\n","<br >") %>
<br>
<b>Price:
<%# DataBinder.Eval (Container.Data Item, "PriceCol", "{0:c}") %>
<asp:label CssClass="BoldL abel" ID="hypSelectC "
runat="server"> </asp:label>
</b>
</td>
</tr>
</table>
</ItemTemplate>
</ASP:DataList>

[Matt Berther]

Hello Harry,

Can anyone tell me why the below code does not work.
I dont get any errors, but nor does the Text for the asp:label get
set.
Thanks in advance as always
H
protected void Page_Load(objec t source,
System.Web.UI.W ebControls.Data ListCommandEven tArgs e)
{
if (Request.QueryS tring["Range"] == "Plat_Price "){
string PlatLabel = "Platino";
Label hypSelectC = (Label)e.Item.F indControl("hyp SelectC");
hypSelectC.Text = "PlatLabel" ;
}
}

This is beside the point, but would help in troubleshooting your problem. Your method name in the above example is Page_Load, but the method has a signature indicative of a datalist command method. At what point are you attempting to refresh the label (ie: EditCommand, UpdateCommand, etc).

--
Matt Berther
http://www.mattberther.com

[Harry Singh]

Hi Matt,

I actually have two Page_Load functions.
(I am still getting my head around this bit!)

The First:
protected void Page_Load(Objec t Src, EventArgs E)
{
Lots of code here
}

I tried putting the code in this block, but it kept on chucking out
errors. (Error: CS0117 System.EventArg s does not contain a definition
for 'item')

I couldnt work out how to referance a asp:lable that is located in a
datalist on the intial page load.

Am i doing this completely the wrong way?

Any light you can shed on this would be appriciated.

Thanks
H


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[Matt Berther]

Hello Harry,

I couldnt work out how to referance a asp:lable that is located in a
datalist on the intial page load.

First of all, in your Page_Load, you'll want to do something like this:

protected void Page_Load(objec t sender, EventArgs e)
{
if (!Page.IsPostBa ck)
{
// hook up your datalist's datasource and bind it
datalist.DataSo urce = whatever;
datalist.DataBi nd();
}

// The rest of your code
}

and then handle the datalist's ItemDataBound event via something like this:

protected void DataList_ItemDa taBound(object sender, DataListItemEve ntArgs e)
{
// this is where you would put the stuff for populating the label
}

Make sure that you've hooked up the event handler through the designer (via the properties window for the DataList) or programmaticall y in the code.

--
Matt Berther
http://www.mattberther.com