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9.3

ASP.NET 3.5 Linq insert a child record LISTVIEW

Asked by TrilobyteMKR in Programming for ASP.NET, Language Integrated Query - LINQ, Visual Studio

Tags: Microsoft ASP.NET3.5 Visual Studio LINQ Insert LISTVIEW

I am trying to build an application Visual Studio using VB SQL server 2008 and LINQ. I have a simple one to many structure and I wish to INSERT items into the child database using the Listview Control and LINQ.
I am using the InsertItems template etc. I can enter data but when I click on insert nothing is happening. I have done a databing in the vb code behind, am I missing something?
This is driving me nuts. I also need to inert a value into the FK of the child database. I am getting no error messages, but nothing is being written to the database.
Can anyone help
Thanks

TrilobyteMKR 
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<asp:LinqDataSource ID="LinqDataSource2" runat="server" 
        ContextTypeName="DataClassesDataContext" EnableDelete="True" 
        EnableInsert="True" EnableUpdate="True" 
        select="New
         with consID =linqdatasource1"
         TableName="Tbl_ExtraNotes">
    </asp:LinqDataSource>
 
<asp:ListView ID="ListView1" runat="server" DataKeyNames="ID" 
                    DataSourceID="LinqDataSource2" InsertItemPosition="LastItem">
                    <ItemTemplate>
                        <tr style="background-color: #FFFBD6;color: #333333;">
                            <td>
                                <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
                            </td>
                            <td>
                                <asp:Label ID="IDLabel" runat="server" Text='<%# Eval("ID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateAddedLabel" runat="server" Text='<%# Eval("DateAdded") %>' />
                            </td>
                            <td>
                                <asp:Label ID="AddedByLabel" runat="server" Text='<%# Eval("AddedBy") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NotesLabel" runat="server" Text='<%# Eval("Notes") %>' />
                            </td>
                            <td>
                                <asp:Label ID="stampLabel" runat="server" Text='<%# Eval("stamp") %>' />
                            </td>
                            <td>
                                <asp:Label ID="ConsIDLabel" runat="server" Text='<%# Eval("ConsID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateNextActionLabel" runat="server" 
                                    Text='<%# Eval("DateNextAction") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NextActionOnLabel" runat="server" 
                                    Text='<%# Eval("NextActionOn") %>' />
                            </td>
                            <td>
                                <asp:Label ID="Tbl_ConsumerCallLabel" runat="server" 
                                    Text='<%# Eval("Tbl_ConsumerCall") %>' />
                            </td>
                        </tr>
                    </ItemTemplate>
                    <AlternatingItemTemplate>
                        <tr style="background-color: #FAFAD2;color: #284775;">
                            <td>
                                <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
                            </td>
                            <td>
                                <asp:Label ID="IDLabel" runat="server" Text='<%# Eval("ID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateAddedLabel" runat="server" Text='<%# Eval("DateAdded") %>' />
                            </td>
                            <td>
                                <asp:Label ID="AddedByLabel" runat="server" Text='<%# Eval("AddedBy") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NotesLabel" runat="server" Text='<%# Eval("Notes") %>' />
                            </td>
                            <td>
                                <asp:Label ID="stampLabel" runat="server" Text='<%# Eval("stamp") %>' />
                            </td>
                            <td>
                                <asp:Label ID="ConsIDLabel" runat="server" Text='<%# Eval("ConsID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateNextActionLabel" runat="server" 
                                    Text='<%# Eval("DateNextAction") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NextActionOnLabel" runat="server" 
                                    Text='<%# Eval("NextActionOn") %>' />
                            </td>
                            <td>
                                <asp:Label ID="Tbl_ConsumerCallLabel" runat="server" 
                                    Text='<%# Eval("Tbl_ConsumerCall") %>' />
                            </td>
                        </tr>
                    </AlternatingItemTemplate>
                    <EmptyDataTemplate>
                        <table runat="server" 
                            style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;">
                            <tr>
                                <td>
                                    No data was returned.</td>
                            </tr>
                        </table>
                    </EmptyDataTemplate>
                    <InsertItemTemplate>
                        <tr style="">
                            <td>
                                <asp:Button ID="InsertButton" runat="server" CommandName="Insert" 
                                    Text="Insert" />
                                <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" 
                                    Text="Clear" />
                            </td>
                            <td>
                                &nbsp;</td>
                            <td>
                                <asp:TextBox ID="DateAddedTextBox" runat="server" 
                                    Text='<%# Bind("DateAdded") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="AddedByTextBox" runat="server" Text='<%# Bind("AddedBy") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="NotesTextBox" runat="server" Text='<%# Bind("Notes") %>' />
                            </td>
                            <td>
                                &nbsp;</td>
                            <td>
                                <asp:TextBox ID="ConsIDTextBox" runat="server" Text='<%# Bind("ConsID") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="DateNextActionTextBox" runat="server" 
                                    Text='<%# Bind("DateNextAction") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="NextActionOnTextBox" runat="server" 
                                    Text='<%# Bind("NextActionOn") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="Tbl_ConsumerCallTextBox" runat="server" 
                                    Text='<%# Bind("Tbl_ConsumerCall") %>' />
                            </td>
                        </tr>
                    </InsertItemTemplate>
                    <LayoutTemplate>
                        <table runat="server">
                            <tr runat="server">
                                <td runat="server">
                                    <table ID="itemPlaceholderContainer" runat="server" border="1" 
                                        style="background-color: #FFFFFF;border-collapse: collapse;border-color: #999999;border-style:none;border-width:1px;font-family: Verdana, Arial, Helvetica, sans-serif;">
                                        <tr runat="server" style="background-color: #FFFBD6;color: #333333;">
                                            <th runat="server">
                                            </th>
                                            <th runat="server">
                                                ID</th>
                                            <th runat="server">
                                                DateAdded</th>
                                            <th runat="server">
                                                AddedBy</th>
                                            <th runat="server">
                                                Notes</th>
                                            <th runat="server">
                                                stamp</th>
                                            <th runat="server">
                                                ConsID</th>
                                            <th runat="server">
                                                DateNextAction</th>
                                            <th runat="server">
                                                NextActionOn</th>
                                            <th runat="server">
                                                Tbl_ConsumerCall</th>
                                        </tr>
                                        <tr ID="itemPlaceholder" runat="server">
                                        </tr>
                                    </table>
                                </td>
                            </tr>
                            <tr runat="server">
                                <td runat="server" 
                                    style="text-align: center;background-color: #FFCC66;font-family: Verdana, Arial, Helvetica, sans-serif;color: #333333;">
                                </td>
                            </tr>
                        </table>
                    </LayoutTemplate>
                    <EditItemTemplate>
                        <tr style="background-color: #FFCC66;color: #000080;">
                            <td>
                                <asp:Button ID="UpdateButton" runat="server" CommandName="Update" 
                                    Text="Update" />
                                <asp:Button ID="CancelButton" runat="server" CommandName="Cancel" 
                                    Text="Cancel" />
                            </td>
                            <td>
                                <asp:Label ID="IDLabel1" runat="server" Text='<%# Eval("ID") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="DateAddedTextBox" runat="server" 
                                    Text='<%# Bind("DateAdded") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="AddedByTextBox" runat="server" Text='<%# Bind("AddedBy") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="NotesTextBox" runat="server" Text='<%# Bind("Notes") %>' />
                            </td>
                            <td>
                                <asp:Label ID="stampLabel1" runat="server" Text='<%# Eval("stamp") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="ConsIDTextBox" runat="server" Text='<%# Bind("ConsID") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="DateNextActionTextBox" runat="server" 
                                    Text='<%# Bind("DateNextAction") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="NextActionOnTextBox" runat="server" 
                                    Text='<%# Bind("NextActionOn") %>' />
                            </td>
                            <td>
                                <asp:TextBox ID="Tbl_ConsumerCallTextBox" runat="server" 
                                    Text='<%# Bind("Tbl_ConsumerCall") %>' />
                            </td>
                        </tr>
                    </EditItemTemplate>
                    <SelectedItemTemplate>
                        <tr style="background-color: #FFCC66;font-weight: bold;color: #000080;">
                            <td>
                                <asp:Button ID="EditButton" runat="server" CommandName="Edit" Text="Edit" />
                            </td>
                            <td>
                                <asp:Label ID="IDLabel" runat="server" Text='<%# Eval("ID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateAddedLabel" runat="server" Text='<%# Eval("DateAdded") %>' />
                            </td>
                            <td>
                                <asp:Label ID="AddedByLabel" runat="server" Text='<%# Eval("AddedBy") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NotesLabel" runat="server" Text='<%# Eval("Notes") %>' />
                            </td>
                            <td>
                                <asp:Label ID="stampLabel" runat="server" Text='<%# Eval("stamp") %>' />
                            </td>
                            <td>
                                <asp:Label ID="ConsIDLabel" runat="server" Text='<%# Eval("ConsID") %>' />
                            </td>
                            <td>
                                <asp:Label ID="DateNextActionLabel" runat="server" 
                                    Text='<%# Eval("DateNextAction") %>' />
                            </td>
                            <td>
                                <asp:Label ID="NextActionOnLabel" runat="server" 
                                    Text='<%# Eval("NextActionOn") %>' />
                            </td>
                            <td>
                                <asp:Label ID="Tbl_ConsumerCallLabel" runat="server" 
                                    Text='<%# Eval("Tbl_ConsumerCall") %>' />
                            </td>
                        </tr>
                    </SelectedItemTemplate>
                </asp:ListView>
 
VB CODE ***********************************************************************
 Protected Sub ListView1_ItemInserted(ByVal sender As Object, _
                ByVal e As System.Web.UI.WebControls.ListViewInsertedEventArgs) _
                Handles ListView1.ItemInserted
        If e.Exception IsNot Nothing Then
            lblError.Text = "A database error has occurred. " _
            & e.Exception.Message
            e.ExceptionHandled = True
        Else
            ListView1.DataBind()
        End If
    End Sub
[+][-]04/03/09 04:34 AM, ID: 24058659Accepted Solution

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About this solution

Zones: Programming for ASP.NET, Language Integrated Query - LINQ, Visual Studio
Tags: Microsoft ASP.NET3.5 Visual Studio LINQ Insert LISTVIEW
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Solution Provided By: CodeCruiser
Participating Experts: 1
Solution Grade: A
 
 
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