onclick event not firing

[Glenn]

I've got a datalist that includes in each databound row a button to delete that specific record. But for some reason, clicking the button does not trigger the event handler. here's the datalist

<form runat="server"> <asp:Label id="lblErrorTex t" runat="server" cssclass="FormV alidationErrorT ext" enableviewstate ="False"></asp:Label><asp: Label id="lblAgreemen tNbr" runat="server" enableviewstate ="False"></asp:Label><br /><br /><br /><asp:datalis t id="dlEquipment " runat="server" DataKeyField="E quipmentID" OnItemDataBound ="FormatDataLis tRow"><HeaderTe mplate><table width="800" border="1" ><tbody><tr><td ><asp:Label id="lblEquipmen tType" runat="server" cssclass="Input LabelText">Equi pmen
Type: </asp:Label></td><td><asp:Lab el id="lblBrand" runat="server" cssclass="Input LabelText">Bran d: </asp:Label></td><td><asp:Lab el id="lblModelNbr " runat="server" cssclass="Input LabelText">Mode l Number: </asp:Label></td><td><asp:Lab el id="lblSerialNb r" runat="server" cssclass="Input LabelText">Seri al Number: </asp:Label></td></tr></HeaderTemplate> <ItemTemplate>< tr><td><input id="hdnEquipmen tID" type="hidden" name="hdnEquipm entID" runat="server" value='<%#Datab inder.Eval(Cont ainer.DataItem, "EquipmentID")% >' /><CustomControl :EquipmentDropD own id="ddlEquipmen tType" runat="server" SelectedItemVal ue='<%#Databind er.Eval(Contain er.DataItem, "EquipmentTypeI D")%>'></CustomControl:E quipmentDropDow n></td><td><CustomC ontrol:BrandDro pDown id="ddlBrand" runat="server" Filter="showPri vateList" SelectedItemVal ue='<%#Databind er.Eval(Contain er.DataItem, "MfgCode")% >'></CustomControl:B randDropDown></td><td width="18%"><as p:TextBox id="txtModelNbr " Text='<%#Databi nder.Eval(Conta iner.DataItem, "ModelNbr") %>' runat="server"> </asp:TextBox><as p:RequiredField Validator id="vldModelNbr " runat="server" CssClass="FormV alidationErrorT ext" ErrorMessage="M odel Number" ControlToValida te="txtModelNbr " Enabled="False" EnableViewState ="True" Display="None"> </asp:RequiredFie ldValidator></td><td width="18%"><as p:TextBox id="txtSerialNb r" Text='<%#Databi nder.Eval(Conta iner.DataItem, "SerialNbr" )%>' runat="server"> </asp:TextBox><as p:RequiredField Validator id="vldSerialNb r" runat="server" CssClass="FormV alidationErrorT ext" ErrorMessage="S erial Number" ControlToValida te="txtSerialNb r" Enabled="False" EnableViewState ="True" Display="None"> </asp:RequiredFie ldValidator></td><td

*************** ** here's the button *************** **
<asp:Button id="btnDelete" CommandName='<% #Databinder.Eva l(Container.Dat aItem, "EquipmentID")% >' runat="server" Text="Delete item"
onClick="btnDel ete_Click"></asp:Button></td></tr></ItemTemplate><F ooterTemplate>< tr><td colspan="5" align="center"> <input type="submit" value="submit" />&nbsp;<input type="reset" value="cancel" /></td></tr></tbody></table></FooterTemplate> </asp:datalist></form

------------------- Here's the event handle

Sub btnDelete_Click (Sender as ObJect, E as EventArgs
tr
cmd.CommandText = "DELETE FROM equipment WHERE EquipmentID = " & Cint(Sender.Com mandName
cmd.ExecuteNonQ uery(
lblAgreementNbr .Text = "The selected equipment has been deleted. <a href='Agreement Listing.aspx'>C lick here</a> to return to the agreement listing.
catch exc as Exceptio
lblAgreementNbr .Visible = Fals
lblErrorText.Te xt = "An error occurred while trying to delete the equipment.
End Tr
End Su

[twostepted]

Anyone,

I'm having the same problem. Here is what I've done:

Event Signature:
protected void btnDelete_Click (object sender, System.EventArg s e)

In InitializeCompo nent:
this.btnDelete. Click += new System.EventHan dler(this.btnDe lete_Click);

In .aspx file:
<asp:Button id="btnDelete" CssClass="clsBu tton" runat="server"
Text="Delete" ToolTip="Perman ently delete this message"
OnClick="btnDel ete_Click" />

I've tried taking the OnClick="btnDel ete_Click" out of the <asp:Button>
tag. I've also tried commenting out the this.btnDelete. Click += new
System.EventHan dler(this.btnDe lete_Click). Neither has any effect.
I'm never making it into the btnDelete_Click event. Does anyone have
any ideas why?

Thanks,

--twostepted

[No One]

twostepted wrote:

Anyone,

I'm having the same problem. Here is what I've done:

Event Signature:
protected void btnDelete_Click (object sender, System.EventArg s e)

In InitializeCompo nent:
this.btnDelete. Click += new System.EventHan dler(this.btnDe lete_Click);

In .aspx file:
<asp:Button id="btnDelete" CssClass="clsBu tton" runat="server"
Text="Delete" ToolTip="Perman ently delete this message"
OnClick="btnDel ete_Click" />

I've tried taking the OnClick="btnDel ete_Click" out of the <asp:Button>
tag. I've also tried commenting out the this.btnDelete. Click += new
System.EventHan dler(this.btnDe lete_Click). Neither has any effect.
I'm never making it into the btnDelete_Click event. Does anyone have
any ideas why?

Thanks,

--twostepted

Does your <asp:Button /> HTML code have Runat="Server"?

[Vko]

The event is not raised because the button is in a DataList and the DataList
renamed the children controls ... and so the event isn't catch in the page.

If you want to handle the event you must (C#) :

1/ Rewrite your button as :
<asp:button id="btnDelete" commandName="De lete"
commandArgument ='<%#Databinder .Eval(Container .DataItem, "EquipmentID")% >'
runat="server" text="Delete item" >

2/ handle the ItemCommand event from the DataList
this.DataList1. ItemCommand += new EventHandler (DataList1_Item Command)

3/ Evaluate the command name from the handler function parameter
private void DataList1_ItemC ommand (object sender, DataListCommand EventArgs e)
{
if ( e.CommandName == "Delete")
{
// write your code here
BusinessLayer.I tems.Delete (e.CommandArgum ent);
}
}

Note that commands named : "Update", "Cancel" and "Delete" could be directly
handled by specifics DataList's events : UpdateCommand, CancelCommand and
DeleteCommand.
The ItemCommand is the common event for all command events.