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Transfer for template in ListBox

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ListBox

This is a migrated thread and some comments may be shown as answers.

Taraman asked on 05 Dec 2010, 11:45 PM

Dear telerik,
I have create a listbox with template item, the problem when trying to transfer items it transfered but it appears empty

please help

ASPX:

<telerik:RadAjaxPanel runat="server" ID="RadAjaxPanel3">

<telerik:RadListBox ID="RadListBox5" runat="server" Height="150px" Width="215px" SelectionMode="Single"

AutoPostBackOnTransfer="true" AllowTransfer="true"

TransferToID="RadListBox6" OnTransferred="RadListBox5_Transferred">

<ButtonSettings ShowTransferAll="false" VerticalAlign="Middle" />

<ItemTemplate>

<table cellpadding="1" cellspacing="0" border="0">

<tr>

<td><b><%# Eval("Title") %></b></td>

<td> [Price:</td>

<td><%# Convert.ToInt32(Eval("Price")).ToString("C0")%>]</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

<telerik:RadListBox ID="RadListBox6" runat="server" Height="150px" Width="200px" SelectionMode="Single">

<ItemTemplate>

<table cellpadding="1" cellspacing="0" border="0">

<tr>

<td><b><%# Eval("Title") %></b></td>

<td> [Price:</td>

<td><%# Convert.ToInt32(Eval("Price")).ToString("C0")%>]</td>

</tr>

<tr>

<td colspan="3">

Quantity:

<telerik:RadNumericTextBox runat="server" ID="QuantityTextBox" Width="80px" MinValue="1" MaxValue="10" ShowSpinButtons="true" Value="1" NumberFormat-DecimalDigits="0" />

<asp:RequiredFieldValidator ID="RequiredQuantityTextBox" ControlToValidate="QuantityTextBox" runat="server" ErrorMessage="*">*</asp:RequiredFieldValidator>

</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

</telerik:RadAjaxPanel>

CS:

protected void Page_Load(object sender, EventArgs e)

{

if (!Page.IsPostBack)

{

RadListBox5_Load();

RadListBox6_Load();

}

public class Spinning

{

public string Title { get; set; }

public double Price { get; set; }

public int Quantity { get; set; }

}

void RadListBox5_Load()

{

List<Spinning> SpinningList = new List<Spinning>

{

new Spinning { Title = "Spinning Reel 1", Price = 100, Quantity = 1 },

new Spinning { Title = "Spinning Reel 2", Price = 200, Quantity = 2 },

new Spinning { Title = "Spinning Reel 3", Price = 300, Quantity = 3 }

};

RadListBox5.DataSource = SpinningList;

RadListBox5.DataBind();

}

void RadListBox6_Load()

{

List<Spinning> SpinningList = new List<Spinning>

{

new Spinning { Title = "Spinning Reel 4", Price = 400, Quantity = 4 },

new Spinning { Title = "Spinning Reel 5", Price = 500, Quantity = 5 },

new Spinning { Title = "Spinning Reel 6", Price = 600, Quantity = 6 }

};

RadListBox6.DataSource = SpinningList;

RadListBox6.DataBind();

}

protected void RadListBox5_Transferred(object sender, RadListBoxTransferredEventArgs e)

{

foreach (RadListBoxItem item in e.Items)

{

item.DataBind();

}

8 Answers, 1 is accepted

answered on 08 Dec 2010, 05:40 PM

exampleproject.zip

Hello Daryl,

The problem was that the data item was not tranferred . We've made some changes in order to work properly.

Kind regards,
Dimitar Terziev
the Telerik team

Browse the vast support resources we have to jumpstart your development with RadControls for ASP.NET AJAX. See how to integrate our AJAX controls seamlessly in SharePoint 2007/2010 visiting our common SharePoint portal.

answered on 09 Dec 2010, 08:53 AM

I correct myself, the problem is the same, on the other hand my code is different.

ASPX:

<tr>

<td valign="top">

Company

</td>

<td>

<telerik:RadListBox ID="rlbCompanies" runat="server" AllowTransfer="true" TransferToID="rlbCompaniesSelected"

Height="150px" Width="185px" AllowTransferOnDoubleClick="true" EnableDragAndDrop="true"

Skin="Windows7" AutoPostBackOnTransfer="True" Sort="Descending"

SortCaseSensitive="False">

</telerik:RadListBox>

</td>

<td colspan="2">

<telerik:RadListBox ID="rlbCompaniesSelected" runat="server" EmptyMessage="Drag Company Here"

Height="150px" Width="153px" Skin="Windows7" CssClass="listRight" EnableDragAndDrop="true"

OnInserted="rlbCompaniesSelected_Inserted" AutoPostBackOnTransfer="True" OnDeleted="rlbCompaniesSelected_Deleted"

AllowTransfer="false"

OnClientSelectedIndexChanged="companySelected"

onclienttransferring="companyTransferring">

<ItemTemplate>

<%# DataBinder.Eval(Container, "Text") %>

<span class="inactiveItem"><%# DataBinder.Eval(Container, "Attributes['AdditionalText']") %></span>

</ItemTemplate>

</telerik:RadListBox>

</td>

</tr>

C#

This works (when loading)

foreach (UserCompany company in user.UserCompanies)

{

// Find company and transfer.

List<RadListBoxItem> companies = rlbCompanies.Items.Where(b => b.Value.Equals(company.CompanyID.ToString())).ToList<RadListBoxItem>();

// If inactive, add to additional text.

foreach (RadListBoxItem radItem in companies)

{

rlbCompanies.Transfer(radItem, rlbCompanies, rlbCompaniesSelected);

if (company.Inactive)

{

radItem.AllowDrag = false;

radItem.Attributes["AdditionalText"] = " (Inactive)";

}

rlbCompaniesSelected.DataBind();

On the other hand, transferring from one to another manually (from UI) doesn't work. I get a blank entry.

Thanks,
Daryl

answered on 13 Dec 2010, 07:33 PM

Dear telerik,
Thanks for help, it is now working.
I have another issue, I need to load the textBox inside the list box with data
I have the following object:

List<Spinning> SpinningList = new List<Spinning>

{

new Spinning { Title = "Spinning Reel 4", Price = 400, Quantity = 4 },

new Spinning { Title = "Spinning Reel 5", Price = 500, Quantity = 5 },

new Spinning { Title = "Spinning Reel 6", Price = 600, Quantity = 6 }

};

currently we can load "Title" and "Price" using the following code

<telerik:RadListBox ID="RadListBox7" runat="server" Height="100px" Width="215px"

SelectionMode="Single" AutoPostBackOnTransfer="true" AllowTransfer="true"

TransferToID="RadListBox8" OnTransferred="RadListBox7_Transferred"

DataTextField="Title" DataValueField="Price">

<ButtonSettings ShowTransferAll="false" VerticalAlign="Middle" />

<ItemTemplate>

<table cellpadding="1" cellspacing="0" border="0">

<tr>

<td>

<b>

<%# DataBinder.Eval(Container, "Text") %></b>

</td>

<td>

[Price:

</td>

<td>

<%# Convert.ToInt32(DataBinder.Eval(Container, "Value")).ToString("C0")%>]

</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

but when try the following :

<telerik:RadListBox ID="RadListBox8" runat="server" Height="100px" Width="200px"

SelectionMode="Single" DataTextField="Title" DataValueField="Price">

<ItemTemplate>

<table cellpadding="1" cellspacing="0" border="0">

<tr>

<td>

<b>

<%# DataBinder.Eval(Container, "Text")%></b>

</td>

<td>

[Price:

</td>

<td>

<%# Convert.ToInt32(DataBinder.Eval(Container, "Value")).ToString("C0")%>]

</td>

</tr>

<tr>

<td colspan="3">

Quantity:

<telerik:RadNumericTextBox runat="server" ID="QuantityTextBox" Width="80px" MinValue="1"

MaxValue="10" ShowSpinButtons="true" Value='<%# DataBinder.Eval(Container, "Quantity") %>' NumberFormat-DecimalDigits="0" />

<asp:RequiredFieldValidator ID="RequiredQuantityTextBox" ControlToValidate="QuantityTextBox"

runat="server" ErrorMessage="*">*</asp:RequiredFieldValidator>

</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

it give me the following error:

DataBinding: 'Telerik.Web.UI.RadListBoxItem' does not contain a property with the name 'Quantity'.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Web.HttpException: DataBinding: 'Telerik.Web.UI.RadListBoxItem' does not contain a property with the name 'Quantity'.

Source Error:

Line 198:									<td colspan="3">
Line 199:										Quantity:
Line 200:										<telerik:RadNumericTextBox runat="server" ID="QuantityTextBox" Width="80px" MinValue="1"
Line 201:											MaxValue="10" ShowSpinButtons="true" Value='<%# DataBinder.Eval(Container, "Quantity") %>' NumberFormat-DecimalDigits="0"  />
Line 202:										<asp:RequiredFieldValidator ID="RequiredQuantityTextBox" ControlToValidate="QuantityTextBox"

Source File: d:\01- AlexProSoft\Projects\LearnDotNet\LearnDotNet.Solution\LearnDotNet\LearnTelerik\ListBox\ListBox_05_Template.aspx Line: 200

Please help

thanks,
Mohamed Taraman