<asp:TemplateField HeaderText="RatePerQuantity"> <ItemTemplate> <asp:TextBox ID="txtRate" runat="server" MaxLength="6" /> <asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server" ControlToValidate="txtRate" ErrorMessage="*" SetFocusOnError="True" ValidationGroup="Group1"></asp:RequiredFieldValidator> </ItemTemplate> </asp:TemplateField>
<asp:Button ID="btnSave" runat="server" Text="Submit" class="btn btn-primary" ValidationGroup="Group1" OnClick="btnSave_Click" />
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