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Enable or desable the grid row based on selected value

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GridView

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Ramesh asked on 25 Nov 2013, 04:16 PM

Hi ,
I am using GridViwTogglerowDetailsColumn based on year value (2010, 2014, 2018) need to display the year related data but how do i accomplish this .

Here I have a student marks details for year 2010 ,2014 and 2018 when I select 2010 year node it neeed to display onlt that year marks list and remaing years need to go disable . but here displaying all years records in all rows

In code behind i would like to write like this (x:Name="lastYear",x:Name="CurrentYear",x:Name="NextYear") if(Year >2014) { this.lastYear.Visiblity= visibilty.Collapsed; } But system displaying an error "Error 1 'MasterViewDemoMVVM.StudentView' does not contain a definition for 'lastYear' and no extension method 'lastYear' accepting a first argument of type 'MasterViewDemoMVVM.StudentView' could be found (are you missing a using directive or an assembly reference?) C:\Users\mandapellyr\Documents\Visual Studio 2012\Projects\MasterViewDemoMVVM\MasterViewDemoMVVM\StudentView.xaml.cs 41 22 MasterViewDemoMVVM " How can i over come this

Kindly help me .

<UserControl x:Class="MasterViewDemoMVVM.StudentView"

xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

xmlns:VM="clr-namespace:MasterViewDemoMVVM"

xmlns:telerik="http://schemas.telerik.com/2008/xaml/presentation"

xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"

mc:Ignorable="d"

d:DesignHeight="300" d:DesignWidth="400">

<UserControl.Resources>

<VM:ClientViewModel x:Key="VMKEY"/>

<Style x:Key="LableStyle" TargetType="sdk:Label">

<Setter Property="Width" Value="AUTO"/>

<Setter Property="Height" Value="Auto"/>

<Setter Property="FontFamily" Value="Segoe UI"/>

<Setter Property="HorizontalAlignment" Value="Left"/>

<Setter Property="VerticalAlignment" Value="Center"/>

<Setter Property="Margin" Value="5,0,5,0" />

</Style>

<Style x:Key="TextBlockStyle" TargetType="TextBlock">

<Setter Property="Margin" Value="5"/>

<Setter Property="Width" Value="Auto" />

<Setter Property="VerticalAlignment" Value="Center" />

</Style>

<Style x:Key="TextBoxStyle" TargetType="TextBox">

<Setter Property="Margin" Value="5,5"/>

<Setter Property="Width" Value="120" />

<Setter Property="HorizontalAlignment" Value="Left" />

</Style>

</UserControl.Resources>

<Grid x:Name="LayoutRoot" Background="White">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

<RowDefinition Height="300*" />

<RowDefinition Height="Auto" />

<RowDefinition Height="10" />

</Grid.RowDefinitions>

<Grid Grid.Row="0">

<Border Name="brdrHeading">

<Grid Margin="1">

<Grid.Background>

<LinearGradientBrush EndPoint="0.8,1" StartPoint="0.5,0">

<GradientStop Color="#FF00008B" Offset="-0.5" />

<GradientStop Color="#FFADD8E6" Offset="1" />

</LinearGradientBrush>

</Grid.Background>

<TextBlock Text="Student View" FontFamily="Segoe UI" FontSize="18" Margin="10,5" Foreground="White" />

</Grid>

</Border>

</Grid>

<telerik:RadGridView x:Name="dgStudentViewSummary" DataContext="{StaticResource VMKEY}" GroupRenderMode="Flat"

ItemsSource="{Binding ClientModel }"

VerticalAlignment="Top" MaxHeight="700"

Margin="2"

ColumnWidth="Auto"

CanUserFreezeColumns="False"

telerik:StyleManager.Theme="Windows8"

AutoGenerateColumns="False"

RowIndicatorVisibility="Collapsed"

CanUserDeleteRows="False"

CanUserInsertRows="False"

IsReadOnly="True">

<telerik:RadGridView.Columns>

<telerik:GridViewToggleRowDetailsColumn />

<telerik:GridViewDataColumn Header="Student Name" Width="150" DataMemberBinding="{Binding StudentName}" TextAlignment="Right"/>

</telerik:RadGridView.Columns>

<telerik:RadGridView.RowDetailsTemplate>

<DataTemplate>

<telerik:RadTabControl x:Name="RadTabControl1"

Width="1550"

HorizontalAlignment="Left"

Margin="10"

VerticalAlignment="Center">

<telerik:RadTabItem Header="Student Details">

<telerik:RadGridView x:Name="dgMasterStudentViewSummary" DataContext="{StaticResource VMKEY}" GroupRenderMode="Flat"

ItemsSource="{Binding ClientModel }"

VerticalAlignment="Top" MaxHeight="700"

Margin="2"

ColumnWidth="Auto"

CanUserFreezeColumns="False"

telerik:StyleManager.Theme="Windows8"

AutoGenerateColumns="False"

RowIndicatorVisibility="Collapsed"

CanUserDeleteRows="False"

CanUserInsertRows="False"

IsReadOnly="True">

<telerik:RadGridView.Columns>

<telerik:GridViewToggleRowDetailsColumn/>

<telerik:GridViewDataColumn Header="Year" Width="150" DataMemberBinding="{Binding Year,Mode=TwoWay}" TextAlignment="Right"/>

<telerik:GridViewDataColumn Header="Address" Width="150" DataMemberBinding="{Binding ClientName}" TextAlignment="Right"/>

</telerik:RadGridView.Columns>

<telerik:RadGridView.RowDetailsTemplate>

<DataTemplate>

<ScrollViewer Height="200">

<Grid VerticalAlignment="Top" Margin="5" >

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid Grid.Row="0">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

<RowDefinition Height="10" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="140" />

<ColumnDefinition Width="Auto" />

<ColumnDefinition Width="*" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Year:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock Text="{Binding Year}" Style="{StaticResource TextBlockStyle}" Grid.Column="1" Grid.Row="1" />

</Grid>

<Grid x:Name="lastYear" Grid.Row="1" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto"/>

<RowDefinition Height="10"/>

<RowDefinition Height="Auto"/>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="lastyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="lastYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="lastYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

<Grid x:Name="CurrentYear" Grid.Row="2" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="CurrentyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="CurrentYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="CurrentYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

<Grid x:Name="nextyear" Grid.Row="3" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="NextyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="NextYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="NextYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

</ScrollViewer>

</DataTemplate>

</telerik:RadGridView.RowDetailsTemplate>

</telerik:RadGridView>

</telerik:RadTabItem>

<telerik:RadTabItem Header="Teacher Details">

<telerik:RadGridView x:Name="dgMasterTSViewSummary" DataContext="{StaticResource VMKEY}" GroupRenderMode="Flat"

ItemsSource="{Binding ClientModel }"

VerticalAlignment="Top" MaxHeight="700"

Margin="2"

ColumnWidth="Auto"

CanUserFreezeColumns="False"

telerik:StyleManager.Theme="Windows8"

AutoGenerateColumns="False"

RowIndicatorVisibility="Collapsed"

CanUserDeleteRows="False"

CanUserInsertRows="False"

IsReadOnly="True">

<telerik:RadGridView.Columns>

<telerik:GridViewToggleRowDetailsColumn/>

<telerik:GridViewDataColumn Header="Year" Width="150" DataMemberBinding="{Binding Year, Mode=TwoWay}" TextAlignment="Right" />

<telerik:GridViewDataColumn Header="Address" Width="150" DataMemberBinding="{Binding ClientAddress}" TextAlignment="Right"/>

</telerik:RadGridView.Columns>

<telerik:RadGridView.RowDetailsTemplate>

<DataTemplate>

<ScrollViewer MaxHeight="300">

<Grid VerticalAlignment="Top" Margin="5" >

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid Grid.Row="0">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

<RowDefinition Height="10" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="140" />

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Year:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock Style="{StaticResource TextBlockStyle}" Text="{Binding Year}" Grid.Column="1" Grid.Row="1" />

</Grid>

<Grid x:Name="lastYear" Grid.Row="1" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto"/>

<RowDefinition Height="10"/>

<RowDefinition Height="Auto"/>

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

<ColumnDefinition Width="*" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="lastyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="lastYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="lastYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

<Grid x:Name="CurrentYear" Grid.Row="2" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="CurrentyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="CurrentYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="CurrentYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

<Grid x:Name="nextyear" Grid.Row="3" Visibility="Visible">

<Grid.RowDefinitions>

<RowDefinition Height="Auto" />

</Grid.RowDefinitions>

<Grid.ColumnDefinitions>

<ColumnDefinition Width="Auto" />

</Grid.ColumnDefinitions>

<sdk:Label Content="Maths:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="0" />

<TextBlock x:Name="NextyearMaths" Style="{StaticResource TextBlockStyle}" Text="{Binding Maths}" TextAlignment="Right" Grid.Column="1" Grid.Row="0" />

<sdk:Label Content="Science:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="1" />

<TextBlock x:Name="NextYearScienceTB" Style="{StaticResource TextBlockStyle}" Text="{Binding Science}" TextAlignment="Right" Grid.Column="1" Grid.Row="1" />

<sdk:Label Content="English:" Style="{StaticResource LableStyle}" Grid.Column="0" Grid.Row="2" />

<TextBlock x:Name="NextYearEnglishTB" Style="{StaticResource TextBlockStyle}" Text="{Binding English}" TextAlignment="Right" Grid.Column="1" Grid.Row="2" />

</Grid>

</ScrollViewer>

</DataTemplate>

</telerik:RadGridView.RowDetailsTemplate>

</telerik:RadGridView>

</telerik:RadTabItem>

</telerik:RadTabControl>

</DataTemplate>

</telerik:RadGridView.RowDetailsTemplate>

</telerik:RadGridView>

</Grid>

</UserControl>

using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Collections.Generic;

using System.Collections.ObjectModel;

namespace MasterViewDemoMVVM

{

public class ClientViewModel

{

private ObservableCollection<ModelClientName> _clintmodel;

public ObservableCollection<ModelClientName> ClientModel

{

get { return _clintmodel; }

set { _clintmodel = value; }

}

ModelClientName m;

public ClientViewModel()

{

m = new ModelClientName();

ClientModel = m.GetAllClient();

}

using System;

using System.Net;

using System.Windows;

using System.Windows.Controls;

using System.Windows.Documents;

using System.Windows.Ink;

using System.Windows.Input;

using System.Windows.Media;

using System.Windows.Media.Animation;

using System.Windows.Shapes;

using System.Collections.Generic;

using System.Collections.ObjectModel;

namespace MasterViewDemoMVVM

{

public class ModelClientName

{

public string StudentName { get; set; }

public string StudentAddress { get; set; }

public int Year { get; set; }

public int Maths { get; set; }

public int Science { get; set; }

public int English { get; set; }

public ObservableCollection<ModelClientName> GetAllClient()

{

ObservableCollection<ModelClientName> _clnt = new ObservableCollection<ModelClientName>();

_clnt.Add(new ModelClientName() { StudentAddress = "Hyd", StudentName = "Raja", Year = 2010,Maths=50,Science=50,English=50 });

_clnt.Add(new ModelClientName() { StudentAddress = "Hyd", StudentName = "Raja", Year = 2014 ,Science=60, Maths=60, English=60 });

_clnt.Add(new ModelClientName() { StudentAddress = "Hyd", StudentName = "Raja", Year = 2018, Science = 70, Maths = 70, English = 70 });

return _clnt;

}

6 Answers, 1 is accepted

answered on 28 Nov 2013, 01:34 PM

   Hi Didie,

Thans a lot for your reply .
     'MasterViewDemoMVVM.StudentView' does contain "lastYear"
     This.lastYear is a Fream name i given like bellow
    based on Year value i would like to do like bellow in code behind
if(Year >2014)
{
this.lastYear.Visiblity= visibilty.Collapsed;

}
so could i do this
Regards
Ramesh

<telerik:RadGridView.RowDetailsTemplate>

<sdk:Frame x:Name="lastYear" Grid.Row="1" >

here contain some controls

</sdk:Frame >

<Grid x:Name="CurrentYear" Grid.Row="2" Visibility="Visible">

here contain some controls

</Grid >

<Grid x:Name="nextyear" Grid.Row="3" Visibility="Visible">

here contain some controls

</Grid>

</telerik:RadGridView.RowDetailsTemplate>

answered on 29 Nov 2013, 09:32 AM

Hi Didie,

Thank you so much ...... You are realy great my friend , it working fentastic .

bellow is my working code for , if any one needed

private void dgMasterStudentViewSummary_LoadingRowDetails_1(object sender, Telerik.Windows.Controls.GridView.GridViewRowDetailsEventArgs e)

{

Frame frm = e.DetailsElement.FindName("lastYear") as Frame;

Grid frm1 = e.DetailsElement.FindName("CurrentYear") as Grid;

Grid frm2 = e.DetailsElement.FindName("nextYear") as Grid;

frm.Visibility =

Visibility.Collapsed;

frm1.Visibility =

Visibility.Collapsed;

// frm2.Visibility = Visibility.Collapsed;

}

Warm Regards
Srilatha