asked on

Repeater Help

I have created a repeater that displays academic information (degrees, college, etc.). I want the user to be able to edit the entry (entry = degree). Right now I'm attempting to use a LinkButton and pass the EntryID as the CommandArguement. I thought this would work but I'm getting a strange error(Unable to cast object of type 'System.EventArgs' to type 'System.Web.UI.WebControls.CommandEventArgs').

My questions:

1. Is the route I'm taking possible, if so what am I doing wrong?

2. What are your suggestions for using a repeater and passing a parameter?

Thanks.

<asp:Repeater ID="Repeater1" runat="server" DataSourceID="odsDegreeDetails">
                <HeaderTemplate>
                    <table width="80%">
                </HeaderTemplate>
                <ItemTemplate>
                    <tr>
                        <td style="width: 60%; vertical-align: top">
                            <b>Institution: </b>
                            <%#Container.DataItem("NAME")%>
                        </td>
                        <td style="width: 40%; vertical-align: top">
                            <b>Degree: </b>
                            <%#Container.DataItem("DESCRIPTION")%>
                        </td>
                    </tr>
                    <tr>
                        <td style="width: 60%; vertical-align: top">
                            <b>Major: </b>
                            <%#Container.DataItem("MAJOR")%>
                        </td>
                        <td style="width: 40%; vertical-align: top">
                            <b>Grad. Date: </b>
                            <%#Container.DataItem("END_DATE")%>
                        </td>
                    </tr>
                    <tr>
                        <td colspan="2">
                            <b>Honors:</b>
                            <%#Container.DataItem("HONOR")%>
                        </td>
                    </tr>
                    <tr>
                        <td colspan="2">
                            <asp:LinkButton ID="lbEdit" runat="server" CommandArgument='<%#Container.DataItem("DegreesId")%>'  ValidationGroup="Edit" OnClick="lbEdit_Click">Edit</asp:LinkButton>
                            | <a href="delete_degree.aspx?DegreesId=<%#Container.DataItem("DegreesId")%>" onclick="confirmDelete()">
                                Delete</a>
                        </td>
                    </tr>
                </ItemTemplate>
                <SeparatorTemplate>
                    <tr>
                        <td colspan="2">
                            &nbsp;
                        </td>
                    </tr>
                </SeparatorTemplate>
                <FooterTemplate>
                    </table>
                </FooterTemplate>
            </asp:Repeater>

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Obadiah Christopher

Why don't u use the gridview. Editing a gridview is much easier I suppose

Nasir Razzaq

Apparantly, the repeater control could not be used for editing items.

http://www.geekinterview.com/question_details/30235
http://www.allinterview.com/showanswers/23314.html
http://www.aspnettutorials.com/tutorials/controls/repeater-vb.aspx

But do check this link
http://www.ajaxtutorials.com/ajax-tutorials/using-repeater-to-edit-in-line-with-ajax-in-vb-net/

mmeisel

ASKER

That's true but I want one record to span multiple rows. For example (-> indicates the following column)

College 1 -> Degree 1
Major 2 -> Grad Date 1
Edit | Delete

College 2 -> Degree 2
Major 2 -> Grad Date 2
Edit | Delete

etc.

If there is a way to do this with a gridview then fantastic but I thought gridviews could only display one row for each record.

Obadiah Christopher

Try placing gridview inside the repeater and bind the gridviews....

Then it might be possible to edit the gridview inside the repeater....

mmeisel

ASKER

CodeCruisier:

I'm not necessarily trying to edit the information in the repeater. What I'm trying to accomplish is to pass the CommandArguement to the event handler, in this case lbEdit_Click. With that CommandArguement I'm going to query the database and populate another form on the page. My problem is that I cannot read the CommandArguement in the event handler (lbEdit_Click).

Nasir Razzaq

That is what i meant. What you can do is bind the Tag property of the Edit button to the DegreeID instead of using CommandArguments because repeater does not use command arguments. Then on serverside, you can access the Tag property of the button easily.

ASKER CERTIFIED SOLUTION

mmeisel

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