DevExpress : Get text checked row without database field in ASP.NET

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ASP.NET

DevExpress

First, I edit text some cells in name column. Next I check textbox in row edited. How to get text of name column in checked rows. I want: after I click button Gettext, value cell in name column in checked row display on Message box (without update database.)

This is screen:
http://i.stack.imgur.com/OOlQl.png[^]

This is my aspx code:

<dx:ASPxGridView Theme="Aqua" ID="gridThuTien" ClientInstanceName="gridThuTien" 
	KeyFieldName="TienHDKHId"  runat="server" Width="100%" 
    >
    <Columns>
		<dx:GridViewDataTextColumn Caption="TienHDKHId" FieldName="TienHDKHId" Width="120px" Visible="false">
			<CellStyle HorizontalAlign="Left" VerticalAlign="Middle"></CellStyle>
			<HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" />
		</dx:GridViewDataTextColumn>
		<dx:GridViewDataTextColumn Caption="Name" FieldName="Name" Width="120px" >
            <CellStyle HorizontalAlign="Left" VerticalAlign="Middle"></CellStyle>
            <HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" />
            <Settings AutoFilterCondition="Contains" />
        </dx:GridViewDataTextColumn>
		<dx:GridViewCommandColumn ShowSelectCheckbox="true" Width="50px" >
            <HeaderTemplate>
                <input type="checkbox" name="cbxSelect"  runat="server" enableviewstate="true" id="checkAll" title="All select/ unselect" 
                    />
            </HeaderTemplate>
            <HeaderStyle HorizontalAlign="Center" />
        </dx:GridViewCommandColumn>
	 </Columns>
	 <SettingsEditing Mode="Batch"></SettingsEditing>
</dx:ASPxGridView>