WPF data Grid View.

Question

Hello guys, 

I am working on WPF windows application i need a help to solve some problem in it. 

I have a data gridview here is a XML Code:

<DataGrid x:Name="MyDataGrid" Margin="0,55.333,8,209.692" HorizontalAlignment="Right" Width="273.27">
            <DataGrid.Columns>
                <DataGridTextColumn Header="ID" IsReadOnly="True" Binding="{Binding ID}" Visibility="Hidden" />
                <DataGridTextColumn Header="CopID" IsReadOnly="True" Binding="{Binding CopID}" Visibility="Hidden"/>
                <DataGridTextColumn Header="CgID" IsReadOnly="True" Binding="{Binding CgID}" Visibility="Hidden"/>
                <DataGridTextColumn Header="Item Names" Width="190" IsReadOnly="True" Binding="{Binding ItemName}"/>
                <DataGridCheckBoxColumn  Header="Select" CanUserReorder="False" />
            </DataGrid.Columns>
</DataGrid>

I want to check DataGridCheckBoxColumn CheckBox is true or false in loop

my lope is this to read a Column Velue when user click on button here is a code:

 

for (int i = 0; i < MyDataGrid.Items.Count - 1; i++)

                {

                    for (int j = 0; j < MyDataGrid.Columns.Count; i++)

                    {                        

                        string Massage = (MyDataGrid.Items[i] as DataRowView).Row.ItemArray[3].ToString();

                        MessageBox.Show( Massage);

                    }

                }        

i want to check CheckBox is true or false in the loop to get velue of that row Columns where is CheckBox is checked i hope some buddy help me

to compete my code which i have done give up. i want this code work when user click on button because i have to save record with this loop in database 

where CheckBox is true in MyDataGrid.

Thank you hope some buddy help me in it...