DataList with button linked to a method (Vb.Net)

Question

This my data list:

     <asp:DataList ID="DataList1" runat="server" DataSourceID="SqlDataSource1" 
               RepeatLayout="Flow">
            <ItemTemplate>
                Titre:
                <asp:Label ID="TitreLabel" runat="server" Text='<%# Eval("Titre") %>' />
                <br />
                Description:
                <asp:Label ID="DescriptionLabel" runat="server" 
                    Text='<%# Eval("Description") %>' />
                <br />

                <asp:Image ID="Image1" runat="server" 
                 ImageUrl='<%# Eval("ID", "Handler.ashx?ID={0}") %>' Width="200" Height="200"/>

                <br />
                comments:
                <asp:Label ID="commentsLabel" runat="server" Text='<%# Eval("comments") %>' />
                <br />

                Ajouter commentaire 
                <asp:button ID="btnAjouter"  runat="server" Text="Ajouter" />
                <br/>
                <br/>
            </ItemTemplate>
        </asp:DataList>

In the Vb.aspx code I create a method:

public Sub updateComments()
.......
End Sub

And I want to add an event to my DataList button and excute the method.

I don't know how to do it correctly.

This is in Vb.net.

Thanks

Frank

stackoverflow.com/questions/8790016/…

FrankSharp
– FrankSharp

2012-01-16 18:38:41 +00:00
Commented Jan 16, 2012 at 18:38 — FrankSharp
– FrankSharp, Commented Jan 16, 2012 at 18:38

Tim Schmelter · Accepted Answer · 2012-01-16 19:07:53Z

2

You just need to add a CommandName to your button and handle the DataList's ItemCommand.

For example(in ItemTemplate)

<asp:button ID="btnAjouter" CommandName="Ajouter"  runat="server" Text="Ajouter" />

In Codebehind:

Sub Item_Command(sender As Object, e As DataListCommandEventArgs)Handles DataList1.ItemCommand
    If e.CommandName = "Ajouter"
        '  do something '
    End If
End Sub

answered Jan 16, 2012 at 19:07

Tim Schmelter

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1 Comment

pseudocoder Over a year ago

Also note you can add a parameter to work with using the CommandArgument Property of the Button and access in Item_Command via e.CommandArgument. +1 :)

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