<asp:GridView ID="GridView1" runat="server" BackColor="White"
BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3"
AutoGenerateColumns="False" onrowdeleting="GridView1_RowDeleting"
onrowdatabound="GridView1_RowDataBound" >
<Columns>
<asp:BoundField DataField="RowNumber" HeaderText="LineItem"/>
<asp:TemplateField HeaderText="Material">
<ItemTemplate>
<asp:Label ID="Label1" runat="server" ></asp:Label>
<asp:TextBox ID="txtMaterial" runa ...
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