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Telerik.Web.UI.GridBoundColumn' does not have a public property named 'Columns'.

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

Nikola asked on 25 Oct 2012, 02:44 PM

heey guys
I got this fu... error but i don't know why I checked every thing in my class and code behind still don't know why ..

Error message Type 'Telerik.Web.UI.GridBoundColumn' does not have a public property named 'Columns'.(Cod Line 41)

Code :

<%@ Page Title="" Language="C#" MasterPageFile="~/ABBMaster.Master" AutoEventWireup="true" CodeBehind="EmployeGrid.aspx.cs" Inherits="HolidayTracker.Employe.EmployeGrid" %>

<asp:Content ID="Content1" ContentPlaceHolderID="MainRegionContentPlaceHolder" runat="server">

<telerik:RadScriptManager runat="server" ID="RadScriptManager1" />

<telerik:RadFormDecorator ID="QsfFromDecorator" runat="server" DecoratedControls="All" EnableRoundedCorners="false" />

<telerik:RadAjaxManager ID="RadAjaxManager1" runat="server">

<AjaxSettings>

<telerik:AjaxSetting AjaxControlID="RadGrid1">

<UpdatedControls>

<telerik:AjaxUpdatedControl ControlID="RadGrid1"></telerik:AjaxUpdatedControl>

</UpdatedControls>

</telerik:AjaxSetting>

</AjaxSettings>

</telerik:RadAjaxManager>

<telerik:RadGrid ID="RadGrid1" OnPreRender="RadGrid1_PreRender" ShowStatusBar="True" DataSourceID="SqlDataSource1" runat="server" AutoGenerateColumns="False" PageSize="7"

AllowSorting="True" AllowPaging="True" GridLines="None" CellSpacing="0">

<PagerStyle Mode="NumericPages" />

<MasterTableView DataSourceID="SqlDataSource1" DataKeyNames="DepartmentId" AllowMultiColumnSorting="true">

<DetailTables>

<telerik:GridTableView DataKeyNames="UserId" DataSourceID="SqlDataSource2" Width="100%" runat="server">

<ParentTableRelation>

<telerik:GridRelationFields DetailKeyField="DepartmentId" MasterKeyField="DepartmentId" />

</ParentTableRelation>

<DetailTables>

<telerik:GridTableView DataKeyNames="Name" DataSourceID="SqlDataSource2" Width="100%" runat="server">

<ParentTableRelation>

<telerik:GridRelationFields DetailKeyField="Name" MasterKeyField="Name" />

</ParentTableRelation>

<Columns>

<telerik:GridBoundColumn SortExpression="FromData" HeaderText="From Date" HeaderButtonType="TextButton" DataField="FromDate" UniqueName="FromDate">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn SortExpression="ToDate" HeaderText="To Date" HeaderButtonType="TextButton" DataField="ToDate" UniqueName="ToDate">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn SortExpression="WorkingTime" HeaderText="Working Time" HeaderButtonType="TextButton" DataField="WorkingTime" UniqueName="WorkingTime">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn SortExpression="VacationDays" HeaderText="Vacation Days" HeaderButtonType="TextButton" DataField="VacationDays" UniqueName="VacationDays">

</ telerik:GridBoundColumn>

</Columns>

</telerik:GridTableView>

</DetailTables>

<Columns>

<telerik:GridBoundColumn SortExpression="Name" HeaderText="Name" HeaderButtonType="TextButton" DataField="Name" UniqueName="Name">

</telerik:GridBoundColumn>

</Columns>

</telerik:GridTableView>

</DetailTables>

<Columns>

<telerik:GridBoundColumn SortExpression="DepartmentId" HeaderText="DepartmentId" HeaderButtonType="TextButton" DataField="DepartmentId" UniqueName="DepartmentId">

</telerik:GridBoundColumn>

<telerik:GridBoundColumn SortExpression="Name" HeaderText="Department Name" HeaderButtonType="TextButton" DataField="Name" UniqueName="Name">

</telerik:GridBoundColumn>

</Columns>

</MasterTableView>

</telerik:RadGrid>

<asp:SqlDataSource ID="SqlDataSource1" runat="server"

ConnectionString="<%$ ConnectionStrings:HolidayTrackerConnectionString %>" SelectCommand="SELECT [DepartmentId], [Name] FROM [HtDepartment]"></

asp:SqlDataSource>

<asp:SqlDataSource ID="SqlDataSource2" runat="server"

ConnectionString="<%$ ConnectionStrings:HolidayTrackerConnectionString %>" SelectCommand="SELECT * FROM [AnnualVacationView] ORDER BY [UserId], [Name]"></

asp:SqlDataSource>

</asp:Content>

code behind

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using Telerik.Web.UI;

namespace HolidayTracker.Employe

{

public partial class EmployeGrid : System.Web.UI.Page

{

protected void RadGrid1_PreRender(object sender, EventArgs e)

{

if (!Page.IsPostBack)

{

RadGrid1.MasterTableView.Items[0].Expanded = true;

RadGrid1.MasterTableView.Items[0].ChildItem.NestedTableViews[0].Items[0].Expanded = true;

}

as always thanks for your help and fast answers ^^

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