I applied the code that you gave me but i could not get it work, it s still bringing me the column that i have filtered....
<ext:GridPanel runat="server" ID="printpanel" AutoScroll="true" Hidden="true" Header="false">
<Store>
<ext:Store ID="store3" AutoSync="false" runat="server" DataSourceID="dtsSelectedItems">
<Model>
<ext:Model runat="server" ID="model7" IDProperty="ORD_PRT_ID" Name="Items">
<Fields>
<ext:ModelField Name="LineNumber" Type="Int"></ext:ModelField>
<ext:ModelField Name="ORD_QUANTITY" Type="String" />
<ext:ModelField Name="PRT_MANF_CODE" Type="String" />
<ext:ModelField Name="OrdItemStatusTypeName" Type="String" />
<ext:ModelField Name="PRT_NAME" Type="String" />
<ext:ModelField Name="PRT_DESC" Type="String" />
<ext:ModelField Name="PRT_VENDOR_NAME" Type="String" />
<ext:ModelField Name="UOM_NAME" Type="String" />
<ext:ModelField Name="PRT_COMMENT" Type="String" />
</Fields>
</ext:Model>
</Model>
</ext:Store>
</Store>
<ColumnModel runat="server" ID="ColumnModel2">
<Columns>
<ext:Column runat="server" ID="column34" DataIndex="LineNumber" Hidden="False" Width="35" Text="Line#">
</ext:Column>
<ext:Column runat="server" ID="column38" DataIndex="OrdItemStatusTypeName" Width="60"
Text="Approval">
</ext:Column>
<ext:Column runat="server" ID="column40" DataIndex="PRT_MANF_CODE" Flex="2" Text="Manf. Part #">
</ext:Column>
<ext:Column runat="server" ID="column41" Flex="4" DataIndex="PRT_NAME" Text="Item">
</ext:Column>
<ext:Column runat="server" ID="column42" Flex="4" DataIndex="PRT_DESC" Text="Description">
</ext:Column>
<%--DataIndex="PRT_VENDOR_NAME"--%>
<ext:Column DataIndex="PRT_VENDOR_NAME" runat="server" ID="column43" Flex="2" Text="Vendor">
</ext:Column>
<ext:Column runat="server" ID="column44" Flex="1" DataIndex="ORD_QUANTITY" Align="Center" Text="Qty">
</ext:Column>
<ext:Column runat="server" ID="column45" Flex="1" DataIndex="UOM_NAME" Align="Center" Text="UOM">
</ext:Column>
</Columns>
</ColumnModel>
<View>
<ext:GridView ID="GridView1" runat="server" StripeRows="false">
<%-- <GetRowClass Fn="Coloring" FormatHandler="true" ></GetRowClass>--%>
</ext:GridView>
</View>
<Buttons>
</Buttons>
<SelectionModel>
<ext:CheckboxSelectionModel RowSpan="1" ID="CheckboxSelectionModel2" Mode="Multi" />
</SelectionModel>
<Plugins>
<ext:CellEditing ID="CellEditing2" runat="server">
</ext:CellEditing>
</Plugins>
</ext:GridPanel>
And here is the code under my print button
<ext:Button ID="btnGridPrint" runat="server" Text="Material R. Form" Icon="Printer" Handler="#{printpanel}.print({columnFilter: function(column40){'False'}});" />