Data Binding Problem

[Md.Hasanuzzaman]

I want to binding SumFunction with a textblock. But I don`t how to do it. Here is my XMAL Code:

telerik:GridViewDataColumn Header="Amount" UniqueName="Amount" DataMemberBinding="{Binding Amount}">
                    <telerik:GridViewDataColumn.AggregateFunctions>
                        <telerik:SumFunction x:Name="MyTotal" Caption="Sum:" SourceField="Amount" />
                </telerik:GridViewDataColumn.AggregateFunctions>
                </telerik:GridViewDataColumn>



 <TextBlock Height="23" HorizontalAlignment="Right" Margin="0,28,98.377,0" x:Name="textBlock1" Text="{Binding "Need something to do", ElementName=radGridView1}" VerticalAlignment="Top" TextInput="textBlock1_TextInput" Width="79" d:LayoutOverrides="VerticalAlignment" />


thank`s for Help

[Md.Hasanuzzaman]

Is there any one to solve my Problem ?????

[Md.Hasanuzzaman]

Problem is Solved . Here is solution 

<telerik:GridViewDataColumn x:Name="shuvo" Header="Name" UniqueName="name" DataMemberBinding="{Binding name}" IsReadOnly="True">
                    <telerik:GridViewDataColumn.AggregateFunctions>
                        <telerik:SumFunction FunctionName="SumtoMe" x:Name="MyTotal" Caption="Sum:" SourceField="name" />
                </telerik:GridViewDataColumn.AggregateFunctions>
                </telerik:GridViewDataColumn>


 <TextBlock Height="23" Margin="233.623,151,-10,0" x:Name="textBlock1" Text="{Binding AggregateResults[SumtoMe], ElementName=radGridView1, Mode=OneWay}" VerticalAlignment="Top" DataContextChanged="textBlock1_DataContextChanged" TextInput="textBlock1_TextInput" />