i have a collection of type Responses to questionnaires and each response has collection of answers, how can i filter Responses based on answers.below is the example
<
P
><
telerik:RadDataFilter
telerik:StyleManager.Theme
=
"Office_Blue"
Grid.Row
=
"1"
Source
=
"{Binding Items, ElementName=dg_reports}"
AutoGenerateItemPropertyDefinitions
=
"False"
Name
=
"rdfilter_report"
Loaded
=
"rdfilter_report_Loaded"
/><
BR
>
<
telerik:RadGridView
Grid.Row
=
"2"
Name
=
"dg_reports"
telerik:StyleManager.Theme
=
"Office_Blue"
ShowGroupPanel
=
"False"
IsReadOnly
=
"True"
AutoGenerateColumns
=
"False"
RowIndicatorVisibility
=
"Collapsed"
><
BR
>
<
telerik:RadGridView.Columns
><
BR
>
<
telerik:GridViewToggleRowDetailsColumn
/><
BR
>
<
telerik:GridViewDataColumn
DataMemberBinding="{Binding
Path
=
Company
.CompanyName}"
Header
=
"Company"
Width
=
".40*"
HeaderTextAlignment
=
"Center"
/><
BR
>
<
telerik:GridViewDataColumn
DataMemberBinding="{Binding
Path
=
Contact
.ContactName}"
Header
=
"Contact"
Width
=
".40*"
HeaderTextAlignment
=
"Center"
/><
BR
>
<
telerik:GridViewDataColumn
DataMemberBinding
=
"{Binding Path=CreatedDate}"
Header
=
"Date"
Width
=
".20*"
HeaderTextAlignment
=
"Center"
DataFormatString="dd/MM/yyyy
HH:mm"/><
BR
>
</
telerik:RadGridView.Columns
><
BR
>
<
telerik:RadGridView.RowDetailsTemplate
><
BR
>
<
DataTemplate
><
BR
>
<
telerik:RadGridView
telerik:StyleManager.Theme
=
"Office_Blue"
ItemsSource
=
"{Binding Path=ResponseAnswers}"
AutoGenerateColumns
=
"False"
Margin
=
"10"
ShowGroupPanel
=
"False"
IsReadOnly
=
"True"
><
BR
>
<
telerik:RadGridView.Columns
><
BR
>
<
telerik:GridViewDataColumn
DataMemberBinding="{Binding
Path
=
Question
.QuestionText}"
Header
=
"Question"
Width
=
"560"
HeaderTextAlignment
=
"Center"
/><
BR
>
<
telerik:GridViewDataColumn
DataMemberBinding
=
"{Binding Path=Answer}"
Header
=
"Answer"
Width
=
"550"
HeaderTextAlignment
=
"Center"
/><
BR
>
</
telerik:RadGridView.Columns
><
BR
>
</
telerik:RadGridView
><
BR
>
</
DataTemplate
><
BR
>
</
telerik:RadGridView.RowDetailsTemplate
><
BR
>
</
telerik:RadGridView
></
P
>
and here is the codebehind