Telerik Forums
UI for ASP.NET AJAX Forum
2 answers
357 views
Hi Gents,

I am currently experiencing the following problem.

I allow a user to dynamically add values to a dropdown using the following.

1.<asp:DropDownList ID="ddlPrevelantHomeLanguage" runat="server" DataValueField="LanguageID"
2.                               DataTextField="Description" />


01.// Add Language function
02.            function OnClientCloseLanguage(oWnd, args) {
03.                //get the transferred arguments
04.                var arg = args.get_argument();
05.                if (arg) {
06.                    var language = arg.language;
07. 
08.                    var data = JSON.stringify({
09.                        language: language
10.                    });
11. 
12.                    $.ajax({
13.                        type: "POST",
14.                        url: "Source.aspx/AddLanguage",
15.                        data: data,
16.                        contentType: "application/json; charset=utf-8",
17.                        dataType: "json",
18.                        success: function (msg) {
19.                            var result = msg.d;
20.                            var langaugeDropDown = $('#<%= ddlPrevelantHomeLanguage.ClientID %>');
21.                            langaugeDropDown.append($('<option value="' + result + '">' + language + '</option>'));
22.                        },
23.                        error: function (xhr, error) {
24.                            radalert("<strong>An Error occured when adding the language.</strong>", 225, 100, "Error", "");
25.                        }
26.                    });
27.                }
28.            }

This then goes to a web method which returns me the Id of the added language which i subsequently append to a dropdown on the page. This dropdown exists within a RadAjaxpanel

01./// <summary>
02.   /// Adds the language.
03.   /// </summary>
04.   /// <param name="language">The language.</param>
05.   /// <returns></returns>
06.   [WebMethod]
07.   public static int AddLanguage(string language)
08.   {
09.       MarketingDao staticMarketingDao = DataAccessFactory.Create<MarketingDao>();
10. 
11.       Language entityLanguage = new Language();
12.       entityLanguage.Description = language;
13. 
14.       staticMarketingDao.Insert<Language>(entityLanguage);
15.       staticMarketingDao.SubmitChanges();
16. 
17.       return entityLanguage.LanguageId;
18.   }

However when i attempt to save my page, the selected value in the Language dropdown is "", i believe this is due to the server (viewstate) not knowing about the language that was added on the clientside.

If i use the Telerik DropDownList control will i be able to overcome this problem as i need some assistance

Kind Regards
Stanley
Top achievements
Rank 1
 answered on 01 Aug 2014
1 answer
188 views

  Hello,

I am working on a project with a RadMenu.
After I updated Telerik to the latest version (2014 q2 sp1), design problems started to appear in Internet Explorer version 11:
(in Chrome everything works fine)

In IE11, I experience the following problems:

  • The image before the caption is not in place.
  • The text inside the button is not in place.
  • The text within the text–box is located lower than it should. 

 

How do I solve these problems, so that the design will look nice in both Chrome and Internet Explorer?

[Video of Chrome - design as it’s should be]
[Video of IE – design problems]

Thanks,
Daniel.
Princy
Top achievements
Rank 2
 answered on 01 Aug 2014
1 answer
286 views
Hello!

I have a simple grid with a sql data source attached and when I filter my decimal column with a value like .01 it returns an error message that I will paste below, but if I try filtering by 0.01 it works. Is this intentional and if not, is there a fix for this?

Thanks!


Expression expected
 
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: Telerik.Web.UI.ParseException: Expression expected
 
Source Error:
 
An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
 
Stack Trace:
 
 
[ParseException: Expression expected]
   Telerik.Web.UI.ExpressionParser.ParsePrimaryStart() +245
   Telerik.Web.UI.ExpressionParser.ParsePrimary() +47
   Telerik.Web.UI.ExpressionParser.ParseUnary() +404
   Telerik.Web.UI.ExpressionParser.ParseMultiplicative() +54
   Telerik.Web.UI.ExpressionParser.ParseAdditive() +54
   Telerik.Web.UI.ExpressionParser.ParseComparison() +128
   Telerik.Web.UI.ExpressionParser.ParseLogicalAnd() +49
   Telerik.Web.UI.ExpressionParser.ParseLogicalOr() +49
   Telerik.Web.UI.ExpressionParser.ParseExpression() +74
   Telerik.Web.UI.ExpressionParser.ParseParenExpression() +68
   Telerik.Web.UI.ExpressionParser.ParsePrimaryStart() +169
   Telerik.Web.UI.ExpressionParser.ParsePrimary() +47
   Telerik.Web.UI.ExpressionParser.ParseUnary() +404
   Telerik.Web.UI.ExpressionParser.ParseMultiplicative() +54
   Telerik.Web.UI.ExpressionParser.ParseAdditive() +54
   Telerik.Web.UI.ExpressionParser.ParseComparison() +69
   Telerik.Web.UI.ExpressionParser.ParseLogicalAnd() +49
   Telerik.Web.UI.ExpressionParser.ParseLogicalOr() +49
   Telerik.Web.UI.ExpressionParser.ParseExpression() +74
   Telerik.Web.UI.ExpressionParser.Parse(Type resultType) +76
   Telerik.Web.UI.DynamicExpression.ParseLambda(ParameterExpression[] parameters, Type resultType, String expression, Object[] values) +92
   Telerik.Web.UI.DynamicExpression.ParseLambda(Type itType, Type resultType, String expression, Object[] values) +132
   Telerik.Web.UI.GridDynamicQueryable.Where(IQueryable source, String predicate, Object[] values) +235
   Telerik.Web.UI.GridDataTableFromEnumerable.FillData35() +3948
   Telerik.Web.UI.GridDataTableFromEnumerable.FillData() +1078
   Telerik.Web.UI.GridResolveEnumerable.Initialize() +58
   Telerik.Web.UI.GridResolveEnumerable.EnsureInitialized() +45
   Telerik.Web.UI.GridResolveEnumerable.get_DataTable() +36
   Telerik.Web.UI.GridEnumerableFromDataView..ctor(GridTableView owner, DataView dataView, Boolean autoGenerateColumns, GridColumnCollection presentColumns, String[] additionalField, Boolean retrieveAllFields, Boolean enableSplitHeaderText) +244
   Telerik.Web.UI.GridDataSourceHelper.CreateGridEnumerable(GridTableView owner, IEnumerable enumerable, Boolean caseSensitive, Boolean autoGenerateColumns, GridColumnCollection presentColumns, String[] additionalField, Boolean retrieveAllFields, Boolean enableSplitHeaderText) +109
   Telerik.Web.UI.GridDataSourceHelper.GetResolvedDataSource(GridTableView owner, Object dataSource, String dataMember, Boolean caseSensitive, Boolean autoGenerateColumns, GridColumnCollection presentColumns, String[] additionalField, Boolean retrieveAllFields, Boolean enableSplitHeaderText) +755
   Telerik.Web.UI.GridTableView.get_ResolvedDataSource() +257
   Telerik.Web.UI.GridTableView.CreateControlHierarchy(Boolean useDataSource) +733
   Telerik.Web.UI.GridTableView.CreateChildControls(IEnumerable dataSource, Boolean useDataSource) +1287
   System.Web.UI.WebControls.CompositeDataBoundControl.PerformDataBinding(IEnumerable data) +67
   System.Web.UI.WebControls.DataBoundControl.OnDataSourceViewSelectCallback(IEnumerable data) +123
   System.Web.UI.DataSourceView.Select(DataSourceSelectArguments arguments, DataSourceViewSelectCallback callback) +33
   System.Web.UI.WebControls.DataBoundControl.PerformSelect() +138
   Telerik.Web.UI.GridTableView.PerformSelect() +38
   System.Web.UI.WebControls.BaseDataBoundControl.DataBind() +30
   Telerik.Web.UI.GridTableView.DataBind() +388
   Telerik.Web.UI.GridTableView.Rebind() +108
   Telerik.Web.UI.GridFilterCommandEventArgs.ExecuteCommand(Object source) +1105
   Telerik.Web.UI.RadGrid.OnBubbleEvent(Object source, EventArgs e) +205
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37
   Telerik.Web.UI.GridItem.OnBubbleEvent(Object source, EventArgs e) +71
   System.Web.UI.Control.RaiseBubbleEvent(Object source, EventArgs args) +37
   Telerik.Web.UI.GridItem.OnBubbleEvent(Object source, EventArgs e) +147
   Telerik.Web.UI.GridItem.FireCommandEvent(String commandName, Object commandArgument) +88
   Telerik.Web.UI.RadGrid.RaisePostBackEvent(String eventArgument) +12376
   System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13
   System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +9528682
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1724


Shinu
Top achievements
Rank 2
 answered on 01 Aug 2014
1 answer
256 views
When I Edit one of my RadGrid rows, or 'Add New Record', RadGrid displays all the fields in the table stacked on top of each other by default. How can I change the layout for those input controls -- say if I want to display in two columns of input controls?
Shinu
Top achievements
Rank 2
 answered on 01 Aug 2014
1 answer
227 views
I have this Grid with ajax settings, the grid have some pages, when i click export to excel onle the first page get exported even i have this in the export event 
GrdDetalle.ExportSettings.IgnorePaging = true; also i populate the grid with the event NeedDataSource

hope someone can help me.

 private void GrdResumen_NeedDataSource(object sender, Telerik.Web.UI.GridNeedDataSourceEventArgs e)
        {
            string StrSqlRes;

            if (Session["StrSqlRes"] == null)
                StrSqlRes = "Select Nombre_Producto,Codigo_especie,Sum(Volumen) as Volumen from itema a, det_itema_mat_prima b, Producto_Madera c, Especie d where a.id_rfn = b.id_rfn and a.Periodo = b.periodo and a.AÑO = b.AÑO and b.Codigo_Producto = c.Codigo_producto and b.Id_Especie = d.Id_Especie and RegistroRFN =  '0' group by Nombre_Producto,Codigo_especie order by Nombre_Producto,Codigo_especie";
            else
                StrSqlRes = Session["StrSqlRes"].ToString();

            Util.LlenaGrid(StrSqlRes, GrdResumen);

        }

Here is a sample of my Code
protected void imgbExport_Click(object sender, ImageClickEventArgs e)
        {
            GrdDetalle.ExportSettings.ExportOnlyData = true;
            GrdDetalle.ExportSettings.IgnorePaging = true;
            GrdDetalle.ExportSettings.FileName = "Reporte de Ingresos de Materia Prima";
            GrdDetalle.ExportSettings.OpenInNewWindow = true;
            GrdDetalle.MasterTableView.ExportToExcel();
        }

HTML
Grid

<telerik:RadGrid runat="server" ID="GrdResumen" PageSize="5"
                AutoGenerateColumns="false" Width="100%" AllowSorting="true" 
                    AllowPaging="true" GridLines="None" >
                <PagerStyle Mode="NextPrevAndNumeric" NextPageText="Siguiente" 
                  PrevPageText="Anterior" Position="Bottom" 
                  PagerTextFormat="Change page: {4} &amp;nbsp;Pagina &lt;strong&gt;{0}&lt;/strong&gt; de &lt;strong&gt;{1}&lt;/strong&gt;, registros &lt;strong&gt;{2}&lt;/strong&gt; a &lt;strong&gt;{3}&lt;/strong&gt; de &lt;strong&gt;{5}&lt;/strong&gt;." 
                  PageSizeLabelText="Regitros"/>
                <MasterTableView DataKeyNames="Nombre_Producto,Codigo_especie,Volumen" NoMasterRecordsText="No Hay Registros" ShowFooter="true" CommandItemDisplay="Top">
                <CommandItemTemplate>
                        <table>
                            <tr>
                                <td align="center">
                                    <asp:ImageButton ID="imgbExport" ImageUrl="~/Imagenes/xls.png" ToolTip="Exportar a Excel" runat="server" AlternateText="Export" OnClick="imgbExport2_Click" />
                                </td>
                                
                            </tr>
                            <tr>
                                <td align="center">
                                    <asp:Label ID="Label8" runat="server" Text="Exportar a Excel"></asp:Label>
                                </td >
                            </tr>
                        </table>
                        <br />
            
                        <br />
            
                    </CommandItemTemplate>
                    <Columns>
                        <telerik:GridBoundColumn DataField="Nombre_Producto"   FooterText="Volumen Total (m³)" FooterStyle-Font-Bold="true" HeaderText="Producto" HeaderStyle-Width="225px">
                            <HeaderStyle Width="225px"></HeaderStyle>
                        </telerik:GridBoundColumn>  
                        <telerik:GridBoundColumn DataField="Codigo_especie" HeaderText="especie" HeaderStyle-Width="225px">
                            <HeaderStyle Width="225px"></HeaderStyle>
                        </telerik:GridBoundColumn> 
                        <telerik:GridBoundColumn DataField="Volumen" DataFormatString="{0:#,##0.00}" Aggregate="Sum" FooterStyle-Font-Bold="true" FooterAggregateFormatString="{0:#,##0.00}" HeaderText="Volumen (m³)" HeaderStyle-Width="225px">
                            <HeaderStyle Width="225px"></HeaderStyle>
                        </telerik:GridBoundColumn>
                    </Columns>        
                </MasterTableView>
                <FilterMenu EnableTheming="true">
                    <CollapseAnimation Duration="200" Type="OutQuint" />
                </FilterMenu>
                </telerik:RadGrid>

This is the ajax configuration
<telerik:RadAjaxLoadingPanel ID="RadAjaxLoadingPanel1" runat="server"  EnableSkinTransparency="true" BackgroundPosition="Top" Skin="">
        <asp:Image ID="Image1" runat="server" ImageUrl="~/Imagenes/cargando.gif" AlternateText="cargando" />
    </telerik:RadAjaxLoadingPanel>
    <telerik:RadAjaxManager ID="RadAjaxManager1" runat="server" ClientEvents-OnRequestStart="mngRequestStarted">
        <AjaxSettings>
            <telerik:AjaxSetting AjaxControlID="GrdDetalle">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="GrdDetalle" />
                    <telerik:AjaxUpdatedControl ControlID="TblUno" />
                    <telerik:AjaxUpdatedControl ControlID="LoginControl1" />
                    <telerik:AjaxUpdatedControl ControlID="GrdDetalle" LoadingPanelID="RadAjaxLoadingPanel1" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="CmdGen">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="GrdDetalle" />
                    <telerik:AjaxUpdatedControl ControlID="GrdResumen" />
                    <telerik:AjaxUpdatedControl ControlID="LblMensaje" />
                    <telerik:AjaxUpdatedControl ControlID="LnlNRF" />
                    <telerik:AjaxUpdatedControl ControlID="LblNomEmpresa" />
                    <telerik:AjaxUpdatedControl ControlID="LblDireccion" />
                    <telerik:AjaxUpdatedControl ControlID="LblActiva" />
                    <telerik:AjaxUpdatedControl ControlID="LblDia" />
                    <telerik:AjaxUpdatedControl ControlID="LblRegion" />
                    <telerik:AjaxUpdatedControl ControlID="LblSubregion" />
                    <telerik:AjaxUpdatedControl ControlID="LblPeriodo" />
                    <telerik:AjaxUpdatedControl ControlID="LblUsuario" />
                    <telerik:AjaxUpdatedControl ControlID="LblNIT" />
                    <telerik:AjaxUpdatedControl ControlID="LblFecIng" />
                    <telerik:AjaxUpdatedControl ControlID="TblUno" />
                    <telerik:AjaxUpdatedControl ControlID="LoginControl1" />
                    <telerik:AjaxUpdatedControl ControlID="TxtMostro" />
                    <telerik:AjaxUpdatedControl ControlID="CmdGen" LoadingPanelID="RadAjaxLoadingPanel1" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="imgbExport">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="GrdDetalle" />
                    <telerik:AjaxUpdatedControl ControlID="GrdResumen" />
                    <telerik:AjaxUpdatedControl ControlID="imgbExport" />
                    <telerik:AjaxUpdatedControl ControlID="GrdDetalle" LoadingPanelID="RadAjaxLoadingPanel1" />
                </UpdatedControls>
            </telerik:AjaxSetting>
            <telerik:AjaxSetting AjaxControlID="GrdResumen">
                <UpdatedControls>
                    <telerik:AjaxUpdatedControl ControlID="GrdResumen" />
                    <telerik:AjaxUpdatedControl ControlID="imgbExport" />
                    <telerik:AjaxUpdatedControl ControlID="GrdResumen" LoadingPanelID="RadAjaxLoadingPanel1" />
                </UpdatedControls>
        </telerik:AjaxSetting>
        </AjaxSettings>
        <ClientEvents OnRequestStart="mngRequestStarted" />
    </telerik:RadAjaxManager>

function to disabled ajax on grid button
function mngRequestStarted(ajaxManager, eventArgs) {
            if (eventArgs.get_eventTarget().indexOf("imgbExport") != -1)
                eventArgs.set_enableAjax(false);
        }





Hector Hernandez
Top achievements
Rank 2
 answered on 01 Aug 2014
1 answer
159 views
Hi all,
 i display images in a binaryimage control in a listview as an item template. Is there a possibility to rotate the image.

Thanks in advance
Shinu
Top achievements
Rank 2
 answered on 01 Aug 2014
2 answers
186 views
Hi .
i have a radgrid and one level detail table.
i want hide detail button in specific condition.
for example row 1 has detail table but row 2 doesn't and ......
how it's possible ?
Princy
Top achievements
Rank 2
 answered on 01 Aug 2014
3 answers
247 views
Hi,
I have this template column which is calculating and showing the result of cost x quantity or alternatively quantity x Alternative Cost.
I would like to make this column sortable by clicking on the header but all I have tried up to now does not work.
I have tried to set the SortExpression but still does not sort, the header gets activated but there is no sorting.
Any help will be appreciated.
Thanks,
Felice


<telerik:GridTemplateColumn FilterControlAltText="Filter TotalCost column" HeaderText="Total Cost" UniqueName="TotalCost">
  <HeaderStyle Width="70px" />
  <ItemStyle HorizontalAlign="Right" />
</telerik:GridTemplateColumn>
 
protected void RadGrid1_ItemDataBound(object sender, Telerik.Web.UI.GridItemEventArgs e)
    {
      if (e.Item is GridDataItem)
        {
            #region Calculate Total Cost
            //Get the special cost. If the value does not exist, it means the special cost is 0
            double specialcost = ((cell.Text.Trim()) != " " && !String.IsNullOrWhiteSpace(cell.Text.Trim())) ? double.Parse(cell.Text.Trim()) : 0;
            double cost = ((dataBoundItem["Cost"].Text.Trim()) != " " && !String.IsNullOrWhiteSpace(dataBoundItem["Cost"].Text.Trim())) ? double.Parse(dataBoundItem["Cost"].Text.Trim()) : 0;
            //If the special cost is 0 than total cost = cost * quantity
            if (specialcost == 0)
            {
                dataBoundItem["TotalCost"].Text = (cost * (Convert.ToDouble(dataBoundItem["Quantity"].Text))).ToString("N0");
            }
            else //If special cost exists than total cost = special cost * quantity
            {
                dataBoundItem["TotalCost"].Text = ((Convert.ToDouble(dataBoundItem["AlternCost"].Text)) * (Convert.ToDouble(dataBoundItem["Quantity"].Text))).ToString("N0");
            }
            #endregion
}
}
Shinu
Top achievements
Rank 2
 answered on 01 Aug 2014
1 answer
77 views
I have a radcombobox and a button control, i want to select a particular item in radcombo box on button click,completely through client side, can any one give me an example on how to implement it using javascript or jquery.If not possible then on server side.







Thanks

Sandeep
Shinu
Top achievements
Rank 2
 answered on 01 Aug 2014
3 answers
164 views
I am trying to not display(or remove or hide, etc.) a record when the nested grid for that record contains a certain value. How would I do this in the cs? If it does not contain that value then I would like to display it like it normally would. I have attached a screenshot to better display what I am trying to achieve.
Princy
Top achievements
Rank 2
 answered on 01 Aug 2014
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