我有一个gridview，在gridview任务中，我选择编辑列-〉选定字段-〉命令Field.select插入按钮为真。和新的链接字段出现，我检查HTML源，看起来像必要的代码在那里，但当我点击“新建”链接字段，没有任何React，但更新是确定的，我还没有测试删除。
下面是gridview和sqldatasource的代码：

<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="agreement_no,id" Font-Size="9pt" DataSourceID="SqlDataSource1" OnRowUpdated="GridView1_RowUpdated" OnRowUpdating="GridView1_RowUpdating" OnRowCreated="GridView1_RowCreated">
    <Columns>
        <asp:CommandField ShowDeleteButton="True" ShowEditButton="True" ShowInsertButton="True"></asp:CommandField>
        <asp:BoundField DataField="agreement_no" HeaderText="agreement_no" ReadOnly="True" SortExpression="agreement_no"></asp:BoundField>
        <asp:TemplateField HeaderText="status" SortExpression="status">
            <EditItemTemplate>
                <asp:DropDownList ID="DropDownList1" runat="server" DataSourceID="SqlDataSource2" DataTextField="status" DataValueField="status" SelectedValue='<%# Bind("status") %>'>
                </asp:DropDownList>
                <asp:SqlDataSource ID="SqlDataSource2" runat="server" ConnectionString="<%$ ConnectionStrings:GPGConnectionString %>" SelectCommand="SELECT DISTINCT [status] FROM [deal_master]"></asp:SqlDataSource>
            </EditItemTemplate>
            <ItemTemplate>
                <asp:Label ID="Label1" runat="server" Text='<%# Bind("status") %>'></asp:Label>
            </ItemTemplate>
        </asp:TemplateField>
        <asp:BoundField DataField="sales_person" HeaderText="sales_person" SortExpression="sales_person"></asp:BoundField>
        <asp:BoundField DataField="swap_carrier" HeaderText="swap_carrier" SortExpression="swap_carrier"></asp:BoundField>
        <asp:BoundField DataField="start_pos" HeaderText="start_pos" SortExpression="start_pos"></asp:BoundField>
        <asp:BoundField DataField="end_pos" HeaderText="end_pos" SortExpression="end_pos"></asp:BoundField>
        <asp:BoundField DataField="swap_commitment" HeaderText="swap_commitment" SortExpression="swap_commitment"></asp:BoundField>
        <asp:BoundField DataField="zone" HeaderText="zone" SortExpression="zone"></asp:BoundField>
        <asp:BoundField DataField="target_minutes" HeaderText="target_minutes" SortExpression="target_minutes"></asp:BoundField>
        <asp:BoundField DataField="target_sell_rate" HeaderText="target_sell_rate" SortExpression="target_sell_rate"></asp:BoundField>
        <asp:BoundField DataField="target_buy_rate" HeaderText="target_buy_rate" SortExpression="target_buy_rate"></asp:BoundField>
        <asp:BoundField ConvertEmptyStringToNull="false" DataField="supplier_interconnect" HeaderText="supplier_interconnect" SortExpression="supplier_interconnect"></asp:BoundField>
        <asp:BoundField ConvertEmptyStringToNull="false" DataField="customer_interconnect" HeaderText="customer_interconnect" SortExpression="customer_interconnect"></asp:BoundField>
        <asp:BoundField DataField="target_sales" HeaderText="target_sales" SortExpression="target_sales"></asp:BoundField>
        <asp:BoundField DataField="target_cost" HeaderText="target_cost" SortExpression="target_cost"></asp:BoundField>
        <asp:BoundField DataField="target_profit" HeaderText="target_profit" SortExpression="target_profit"></asp:BoundField>
        <asp:BoundField DataField="lcr_zone" HeaderText="lcr_zone" SortExpression="lcr_zone"></asp:BoundField>
        <asp:BoundField DataField="id" HeaderText="id" SortExpression="id" ReadOnly="True"></asp:BoundField>
    </Columns>
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:GPGConnectionString %>" DeleteCommand="DELETE FROM [deal_master] WHERE [agreement_no] = @agreement_no AND [id] = @id" InsertCommand="INSERT INTO [deal_master] ([agreement_no], [status], [sales_person], [swap_carrier], [start_pos], [end_pos], [swap_commitment], [zone], [target_minutes], [target_sell_rate], [target_buy_rate], [supplier_interconnect], [customer_interconnect], [target_sales], [target_cost], [target_profit], [lcr_zone], [id]) VALUES (@agreement_no, @status, @sales_person, @swap_carrier, @start_pos, @end_pos, @swap_commitment, @zone, @target_minutes, @target_sell_rate, @target_buy_rate, @supplier_interconnect, @customer_interconnect, @target_sales, @target_cost, @target_profit, @lcr_zone, @id)" SelectCommand="SELECT [agreement_no], [status], [sales_person], [swap_carrier], [start_pos], [end_pos], [swap_commitment], [zone], [target_minutes], [target_sell_rate], [target_buy_rate], [supplier_interconnect], [customer_interconnect], [target_sales], [target_cost], [target_profit], [lcr_zone], [id] FROM [deal_master]" UpdateCommand="UPDATE [deal_master] SET [status] = @status, [sales_person] = @sales_person, [swap_carrier] = @swap_carrier, [start_pos] = @start_pos, [end_pos] = @end_pos, [swap_commitment] = @swap_commitment, [zone] = @zone, [target_minutes] = @target_minutes, [target_sell_rate] = @target_sell_rate, [target_buy_rate] = @target_buy_rate, [supplier_interconnect] = @supplier_interconnect, [customer_interconnect] = @customer_interconnect, [target_sales] = @target_sales, [target_cost] = @target_cost, [target_profit] = @target_profit, [lcr_zone] = @lcr_zone WHERE [agreement_no] = @agreement_no AND [id] = @id">
    <DeleteParameters>
        <asp:Parameter Name="agreement_no" Type="String" />
        <asp:Parameter Name="id" Type="Int32" />
    </DeleteParameters>
    <InsertParameters>
        <asp:Parameter Name="agreement_no" Type="String" />
        <asp:Parameter Name="status" Type="String" />
        <asp:Parameter Name="sales_person" Type="String" />
        <asp:Parameter Name="swap_carrier" Type="String" />
        <asp:Parameter Name="start_pos" Type="Decimal" />
        <asp:Parameter Name="end_pos" Type="Decimal" />
        <asp:Parameter Name="swap_commitment" Type="String" />
        <asp:Parameter Name="zone" Type="String" />
        <asp:Parameter Name="target_minutes" Type="Decimal" />
        <asp:Parameter Name="target_sell_rate" Type="Decimal" />
        <asp:Parameter Name="target_buy_rate" Type="Decimal" />
        <asp:Parameter Name="supplier_interconnect" Type="String" />
        <asp:Parameter ConvertEmptyStringToNull="false" Name="customer_interconnect" Type="String" />
        <asp:Parameter Name="target_sales" Type="Decimal" />
        <asp:Parameter Name="target_cost" Type="Decimal" />
        <asp:Parameter Name="target_profit" Type="Decimal" />
        <asp:Parameter Name="lcr_zone" Type="String" />
        <asp:Parameter Name="id" Type="Int32" />
    </InsertParameters>
    <UpdateParameters>
        <asp:Parameter Name="status" Type="String" />
        <asp:Parameter Name="sales_person" Type="String" />
        <asp:Parameter Name="swap_carrier" Type="String" />
        <asp:Parameter Name="start_pos" Type="Decimal" />
        <asp:Parameter Name="end_pos" Type="Decimal" />
        <asp:Parameter Name="swap_commitment" Type="String" />
        <asp:Parameter Name="zone" Type="String" />
        <asp:Parameter Name="target_minutes" Type="Decimal" />
        <asp:Parameter Name="target_sell_rate" Type="Decimal" />
        <asp:Parameter Name="target_buy_rate" Type="Decimal" />
        <asp:Parameter ConvertEmptyStringToNull="false" Name="supplier_interconnect" Type="String" />
        <asp:Parameter ConvertEmptyStringToNull="false" Name="customer_interconnect" Type="String" />
        <asp:Parameter Name="target_sales" Type="Decimal" />
        <asp:Parameter Name="target_cost" Type="Decimal" />
        <asp:Parameter Name="target_profit" Type="Decimal" />
        <asp:Parameter Name="lcr_zone" Type="String" />
        <asp:Parameter Name="agreement_no" Type="String" />
        <asp:Parameter Name="id" Type="Int32" />
    </UpdateParameters>
</asp:SqlDataSource>
<asp:SqlDataSource ID="SqlDataSource3" runat="server" ConnectionString="<%$ ConnectionStrings:GPGConnectionString %>" SelectCommand="SELECT DISTINCT [agreement_no] FROM [deal_master] ORDER BY [agreement_no]"></asp:SqlDataSource>
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我的问题是：我错过了哪些操作或设置？我想知道我错过了哪些步骤？我的目标是：我想点击“新建”链接字段，然后显示1个空行，然后在新创建的行中输入值，我可以保存或取消它