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SeanNijFlag for South Africa

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Code-Behind Method from dynamically created HTML

Hi All

I would like to know if it is possible to dynamically create asp:LinkButton that post back to code behind with a value in the CommandArgument field.
Meaning I have a list of borrowers and would like to give the user the ability to edit the borrower, but can not use a gridview.

I would like to edit the borrower on the same place I use to add a new borrower.
The code I attached shows what I did, but was not sure as to where to go next or even if I'm doing anything wrong, because my code behind method (also attached) does not have any value in the CommandArgument field.

Any ideas?

S
<table>
                                    <tr>
                                        <th>
                                            Application For Cover - Borrower(s) Information
                                        </th>
                                    </tr>
                                    <tr>
                                        <td>
                                            <% if (HFGABLL.CDatabaseTasks.GetTempBorrowers(Convert.ToInt32(Session["ID"])).Count() != 0)
                                               { %>
                                            <table width="100%" class="Contents1" border="0" cellpadding="0" cellspacing="0">
                                                <tr>
                                                    <th align="left">
                                                        Full Name
                                                    </th>
                                                    <th align="left">
                                                        ID Ref
                                                    </th>
                                                    <th align="left">
                                                        Gross Monthly Income
                                                    </th>
                                                    <% if (Policy.UseNetIncome)
                                                       { %>
                                                    <th align="left">
                                                        Nett Monthly Income
                                                    </th>
                                                    <%} %>
                                                    <th align="left">
                                                        Primary Borrower
                                                    </th>
                                                    <th align="left">
                                                        Edit
                                                    </th>
                                                    <th align="left">
                                                        Remove
                                                    </th>
                                                </tr>
                                                <% bool bAltRow = false;
                                                   foreach (var pBor in HFGABLL.CDatabaseTasks.GetTempBorrowers(Convert.ToInt32(Session["ID"])))
                                                   { %>
                                                <tr <% if (bAltRow) Response.Write("class=\"AltRow\""); %>>
                                                    <td align="left">
                                                        <%=pBor.FirstName + " " + pBor.LastName %>
                                                    </td>
                                                    <td align="left">
                                                        <%=pBor.IDReference %>
                                                    </td>
                                                    <td align="left">
                                                        <%=DisplayFmt.Money(pBor.MonthlyIncome) %>
                                                    </td>
                                                    <% if (Policy.UseNetIncome)
                                                       { %>
                                                    <td align="left">
                                                        <%=DisplayFmt.Money(pBor.NettIncome)%>
                                                    </td>
                                                    <%} %>
                                                    <td align="left">
                                                        <%=DisplayFmt.Boolean(pBor.PrimaryBorrower) %>
                                                    </td>
                                                    <td align="left">
                                                        <asp:LinkButton ID="LinkButton2" runat="server" CommandArgument='<%# Eval("ID") %>'
                                                            Text="Edit" OnCommand="DoEditBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:LinkButton ID="LinkButton1" runat="server" CommandArgument='<%#Eval("pBor.ID") %>'
                                                            Text="Edit" OnCommand="DoEditBorrower" />
                                                    </td>
                                                </tr>
                                                <%bAltRow = !bAltRow;
                                                   } %>
                                            </table>
                                            <%} %>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <asp:PlaceHolder ID="phBorrowers" runat="server" />
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <table>
                                                <tr>
                                                    <td align="left">
                                                        Gross Monthly Income
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtMonthlyIncome" runat="server" Width="140" />
                                                        <asp:FilteredTextBoxExtender ID="FilteredTextBoxExtender1" runat="server" TargetControlID="txtMonthlyIncome"
                                                            FilterType="Numbers, Custom" ValidChars=",." />
                                                        <%=strCurrencyCode %>
                                                    </td>
                                                </tr>
                                                <% if (Policy.UseNetIncome)
                                                   { %>
                                                <tr>
                                                    <td align="left">
                                                        Nett Monthly Income
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox runat="server" ID="txtMonthlyIncomeNett" MaxLength="30" ValidationGroup="MKE" />
                                                        <%=strCurrencyCode %>
                                                        <asp:Label ID="lblErrorOntxtMonthlyIncomeNett" runat="server" CssClass="ErrorLabel"
                                                            Visible="false" Text="*" />
                                                        <asp:FilteredTextBoxExtender ID="FilteredTextBoxExtender10" runat="server" TargetControlID="txtMonthlyIncomeNett"
                                                            FilterType="Numbers, Custom" ValidChars=",." />
                                                    </td>
                                                </tr>
                                                <%} %>
                                                <tr>
                                                    <td align="left">
                                                        Title
                                                    </td>
                                                    <td align="left">
                                                        <asp:DropDownList ID="ddlTitle" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Initials<asp:RequiredFieldValidator ID="RequiredFieldValidator13" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtInitials" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtInitials" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        First Name<asp:RequiredFieldValidator ID="RequiredFieldValidator11" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtFirstName" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtFirstName" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Last Name<asp:RequiredFieldValidator ID="RequiredFieldValidator10" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtLastName" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtLastName" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        ID Type
                                                    </td>
                                                    <td align="left">
                                                        <asp:DropDownList ID="ddlIDType" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        ID Reference/No<asp:RequiredFieldValidator ID="RequiredFieldValidator18" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtIDRef" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtIDRef" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Primary Borrower
                                                    </td>
                                                    <td align="left">
                                                        <asp:CheckBox ID="cbPrimBorrower" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Telephone<asp:RequiredFieldValidator ID="RequiredFieldValidator19" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtTelephone" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtTelephone" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Cellphone<asp:RequiredFieldValidator ID="RequiredFieldValidator20" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtCellPhone" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtCellPhone" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Address<asp:RequiredFieldValidator ID="RequiredFieldValidator21" runat="server" ErrorMessage="*"
                                                            ControlToValidate="txtAddressBorrower" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtAddressBorrower" runat="server" TextMode="MultiLine" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Suburb<asp:RequiredFieldValidator ID="RequiredFieldValidator22" runat="server" ErrorMessage="*"
                                                            ControlToValidate="txtSuburbBorrower" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtSuburbBorrower" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        City/Town<asp:RequiredFieldValidator ID="RequiredFieldValidator23" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtCityBorrower" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtCityBorrower" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                                <tr>
                                                    <td align="left">
                                                        Area (Postal) code<asp:RequiredFieldValidator ID="RequiredFieldValidator24" runat="server"
                                                            ErrorMessage="*" ControlToValidate="txtCodeBorrower" ValidationGroup="AddBorrower" />
                                                    </td>
                                                    <td align="left">
                                                        <asp:TextBox ID="txtCodeBorrower" runat="server" Width="140" />
                                                    </td>
                                                </tr>
                                            </table>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <asp:Label ID="lblResultOnBorrowerStep" runat="server" CssClass="ErrorLabel" Visible="false" />
                                        </td>
                                    </tr>
                                    <tr>
                                        <td>
                                            <table>
                                                <tr>
                                                    <td>
                                                        <asp:Label ID="lblBorrowerID" runat="server" Visible="false" />
                                                        <asp:Button runat="server" ID="btnClearBorrowers" Text="Clear Borrowers" OnClick="btnClearBorrowers_Click" />
                                                        <asp:Button runat="server" ID="btnAddBorrower" Text="Add Borrower" OnClick="btnAddBorrower_Click"
                                                            ValidationGroup="AddBorrower" />
                                                    </td>
                                                </tr>
                                            </table>
                                        </td>
                                    </tr>
                                </table>

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protected void DoEditBorrower(object sender, CommandEventArgs e)
    {
        throw new Exception(e.CommandArgument.ToString());
    }

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Avatar of jondow
jondow
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Hi there,

The following works:

 
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        Me.LinkButton1.CommandArgument = "test"
    End Sub
    Sub DoEditBorrower(ByVal sender As Object, ByVal e As CommandEventArgs)
        Dim x = "You chose: " & e.CommandName & " Item " & e.CommandArgument
    End Sub

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<asp:LinkButton id="LinkButton1" 
           Text="Edit"
           CommandName="Borrower" 
           CommandArgument=""
           OnCommand="DoEditBorrower" 
           runat="server"/>

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If memory serves me correctly, an arguement set as you are trying to is not available on postback due to the page lifecycle, although if anyone would like to prove me wrong feel free.

Regards

Rick
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SeanNij
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ASKER

The user that commented did not provide a solution. I did eventually figure it out by myself.