Questions on UI for ASP.NET AJAX Forum

6 answers

224 views

Hello,

I want to transfer an item in a listbox to another listbox like in this example : http://demos.telerik.com/aspnet-ajax/listbox/examples/functionality/templates/defaultcs.aspx
My problem is when I transfered an item in the second lisbox the item is empty (see the attached file).

<telerik:RadListBox ID="RLB_References" runat="server" Width="360px" TransferToID="RLB_SelectedReference"

AutoPostBackOnTransfer="True" AllowTransfer="True" OnTransferred="RLB_References_Transferred">

<HeaderTemplate>

<table>

<tr>

<td width="80px">Titre</td>

<td width="80px">Référence</td>

<td width="80px">Taille</td>

<td width="80px">Coloris</td>

</tr>

</table>

</HeaderTemplate>

<ItemTemplate>

<table>

<tr>

<td width="90px">

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

</td>

<td width="90px">

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

</td>

<td width="90px">

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

</td>

<td width="90px">

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

</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

<telerik:RadListBox ID="RLB_SelectedReference" runat="server" Width="400px">

<HeaderTemplate>

<table>

<tr>

<td width="80px">Titre</td>

<td width="80px">Référence</td>

<td width="80px">Taille</td>

<td width="80px">Coloris</td>

<td width="80px">Quantité</td>

</tr>

</table>

</HeaderTemplate>

<ItemTemplate>

<table>

<tr>

<td width="80px">

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

</td>

<td width="80px">

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

</td>

<td width="80px">

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

</td>

<td width="80px">

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

</td>

<td width="80px">

<telerik:RadNumericTextBox runat="server" ID="QuantityTextBox" Width="50px" MinValue="1"

ShowSpinButtons="true" Value="1" NumberFormat-DecimalDigits="0">

</telerik:RadNumericTextBox>

</td>

</tr>

</table>

</ItemTemplate>

</telerik:RadListBox>

private string GetArticleTitle(int nodeId)

{

return "title";

}

protected void Page_Load(object sender, EventArgs e)

{

if (!Page.IsPostBack)

{

List<tbl_references> references = null;

using (ReferenceContainer context = new ReferenceContainer())

{

references = context.tbl_references.ToList();

}

var datasource = from r in references

let reference = r.Reference

let taille = r.Taille

let coloris = r.Coloris

let titre = GetArticleTitle(r.ArticleNodeId)

select new

{

Reference = reference,

Taille = taille,

Coloris = coloris,

Titre = titre

};

RLB_References.DataSource = datasource;

RLB_References.DataBind();

}

protected void RLB_References_Transferred(object sender, Telerik.Web.UI.RadListBoxTransferredEventArgs e)

{

foreach (RadListBoxItem item in e.Items)

{

item.DataBind();

}

Have you a solution ?

Thanks.

ListBox

answered on 06 Sep 2019

1 answer

116 views

Is there a way to hide the grid in the UI while still using the Excel export

I'd like to use the telerik radgrid control to generate an excel export of data, however, I don't want to display the grid on the web page. Is there a way to do this?

Thanks in advance.

Grid

answered on 06 Sep 2019

7 answers

617 views

Checkboxes with Multi-Level Grouping

Hello all,

I just can't figure out how to add a checkbox to a second level (of a 3 level) grouping without loosing the data that is there.

for instance

--Dept

----<check box here> Employee

--------Projects

I am able to add the check box like this:

                     if (e.Item is GridGroupHeaderItem )         
                        {         
                                     
                            GridGroupHeaderItem item = e.Item as GridGroupHeaderItem;         
                     
                            if ( item.GroupIndex.LastIndexOf("_") == 1)         
                            {         
                                         
                                DataRowView groupDataRow = (DataRowView)e.Item.DataItem;         
                                CheckBox check = new CheckBox();         
                                check.AutoPostBack = false;         
                                check.ID = "foo";         
                                check.Text = this._headerTextForEmployeeName + " FirstName - LastName";             
                                     
                                check.CheckedChanged += new EventHandler(check_CheckedChanged);         
                    
                                item.DataCell.Controls.Add(check);         
                                     
                                }         
                     
                            }         

But this REPLACES the header text and value that was there!!

Any ideas or suggestions?

Grid

answered on 06 Sep 2019

1 answer

1.8K+ views

Radgrid Column width problems, please help!!!

Hello,

i want to use RadGrid in asp.net with dynamical columns with different widths. There is no autosizing like autofit. I tried it with javascript. It works but it isnt a good solution. I tried here with some functions, but nothing happens on sizing. Only text will be changed. Visible unvisible is also not working. I think telerik is in grid a very bad solution.

in page:

<telerik:RadGrid ID="rgrdSuche" runat="server" Culture="de-DE" OnColumnCreated="rgrdSuche_ColumnCreated" OnSortCommand="rgrdSuche_SortCommand">
                <MasterTableView AutoGenerateColumns="true" AllowFilteringByColumn="false">

                </MasterTableView>
            </telerik:RadGrid>

i tried with the event itemdatabound, but nothing happened:

protected void rgrdSuche_ItemDataBound(object sender, GridItemEventArgs e)
        {
            try
            {
                if (e.Item is GridHeaderItem)
                {
                    GridHeaderItem headerItem = e.Item as GridHeaderItem;

                    for (int i = 0; i < headerItem.Cells.Count; i++)
                    {
                        switch (headerItem.Cells[i].Text.Replace(" ", ""))
                        {
                            case "Comment":
                                headerItem.Cells[i].Text = "Comment-Text";
                                headerItem.Cells[i].Width = Unit.Pixel(400);
                                break;
                            default:
                                break;
               ...

and event via ColumnCreated will not work also:

protected void rgrdSuche_ColumnCreated(object sender, GridColumnCreatedEventArgs e)
        {
            switch (e.Column.UniqueName)
            {
                case "Comment":
                    e.Column.Visible = false;
                    e.Column.HeaderText = "Comment-Text";
                    e.Column.HeaderStyle.Width = Unit.Pixel(400);
                    e.Column.FilterControlWidth = Unit.Pixel(400);
                 break;

Grid

answered on 05 Sep 2019

2 answers

317 views

Chart X-Axis Date Month/Year Lines

Hi,

We are looking to include the month and year lines for the x-axis, could you please view the image and let me know if there is a way to do that.

Thank you,

-Sam

Chart (HTML5)

answered on 05 Sep 2019

5 answers

559 views

Clear button on RadCombBox

Is there a way to clear a multi check rad combo box without postback or is there a clear button already built into the control?

Alex

ComboBox

answered on 05 Sep 2019

1 answer

345 views

.NET 3.5 with Telerik version

Dear users,

I need to know the last version of Telerik UI that i can use with .NET 3.5 , currently i'm using 2012.1.411.35.

Thank you in advance,

Cordially

General Discussions

answered on 05 Sep 2019

12 answers

2.4K+ views

Export To Excel from RadGrid

(Q2 2009 version)
Hi, i'm triying to export to excel from my radgrid from buttons on <commandItemTemplate> tags like this

    
            <MasterTableView CommandItemDisplay="Top" CellSpacing="0" ShowGroupFooter="true" AllowMultiColumnSorting="true" ShowFooter="true" DataKeyNames="NombreTipoCuenta" >                                                                                     
        
                                                    <CommandItemTemplate> 
        
                                                        <asp:ImageButton runat="server" ID="btnExcelExport" ImageUrl="~/images/page_excel.png" OnClick="btnExcelExport_Click" AlternateText="Excel" ToolTip="Excel" />  
        
                                                    </CommandItemTemplate>

but when i click on my button, commanditem hides, and doesn`t work , when i copy this outside the grid it works

    
            <asp:ImageButton runat="server" ID="btnExcelExport" OnClick="btnExcel_Click" ImageUrl="~/images/page_excel.png"  AlternateText="Excel" />  
        
                                             <telerik:RadGrid   
        
                                                        AutoGenerateColumns="False"  
        
                                                        ID="tk_Grid"  
        
                                                        AllowPaging="True"  
        
                                                        PageSize="20"  
        
                                                        runat="server"  
        
                                                        GridLines="None" 
        
                                                        ShowFooter="false"  
        
                                                        ShowGroupPanel="false" 
        
                                                        style="margin-top: 0px"  
        
                                                        BorderStyle="None"                                              
        
                                                        CssClass="Grid" onitemdatabound="tk_Grid_ItemDataBound" Skin="Default" 
        
                                                        >

this is the code behind for both mehods

    
             protected void btnExcelExport_Click(object sender, ImageClickEventArgs e) 
        
                { 
        
                    tk_Grid.ExportSettings.ExportOnlyData = true; 
        
                    tk_Grid.ExportSettings.IgnorePaging = true; 
        
                    tk_Grid.ExportSettings.OpenInNewWindow = false; 
        
                    tk_Grid.MasterTableView.ExportToExcel(); 
        
                }

thanks, Gino.

Grid

answered on 05 Sep 2019

1 answer

128 views

When using programmatic binding how do I get a key value

Hi,

I have been trying to use programmatic binding based on the following demo https://demos.telerik.com/aspnet-ajax/grid/examples/data-binding/client-side/programmatic/defaultcs.aspx but have been having a problem in getting the key value back into the asp.net code behind.

The code is (effectively) the same as the example except I am binding to an entity that has a Guid as a key rather than the EmployeeId in the example and I have added a "delete" button using the following

<telerik:GridButtonColumn UniqueName="DeleteButtonColumn" ButtonType="ImageButton" CommandName="Delete" ConfirmText="Are you sure?" ConfirmDialogType="Classic" ConfirmTitle="Are you sure?" />

I have set up the DataKeyNames and ClientDataKeyNames in the MasterTableView to be DataKeyNames="GUID" and ClientDataKeyNames="GUID"

In the code behind I have added an ItemCommand event that gets called, however

(GridDataItem)e.Item.GetDataKeyValue("GUID") is blank

(GridDataItem)e.Item.KeyValues contains "{GUID:""""}"

Can I use programmatic binding method with a GridButtonColumn with type ImageButton in this way?

Grid

answered on 04 Sep 2019

2 answers

375 views

RadAsyncUpload TemporaryFolder issue

Hi Telerik Team,

Our company is working on upgrade application to cloud environment. We are using RadAsyncUpload control on teleirk 2014.2.724.40 version and found an issue with TemporaryFolder. Can we customized how to read / write files in TemporaryFolder ?

Thanks in advance,

Lan

AsyncUpload

answered on 04 Sep 2019