Question

我有GridView，我想添加PremiseScore得分（第三栏）的页脚总和。

我怎么能这样做？

            <asp:BoundField DataField="PremiseUno" HeaderText='<%$ Resources:Language, grdPremiseUno %>' ReadOnly="True" SortExpression="PremiseUno"  >
                        <HeaderStyle CssClass="gHeaderStyle" />
                        <ItemStyle CssClass="gControlStyle" />
                        </asp:BoundField>

                         <asp:BoundField DataField="PremiseName" HeaderText='<%$ Resources:Language, grdPremisesName %>'
                            ReadOnly="True" SortExpression="grdPremisesName" >
                            <HeaderStyle CssClass="gHeaderStyle" />
                        <ItemStyle CssClass="gControlStyle" />
                        </asp:BoundField>

                        <asp:BoundField DataField="PremiseScore" HeaderText='<%$ Resources:Language, grdPremiseScore %>' ReadOnly="True" SortExpression="PremiseScore"  >
                        <HeaderStyle CssClass="gHeaderStyle" />
                        <ItemStyle CssClass="gControlStyle" />
                        </asp:BoundField>

                <asp:TemplateField ShowHeader="False" HeaderText= '<%$ Resources:Language, btnDelete %>'>
                    <ItemTemplate>
                        <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" 
                            CommandName="Delete" Text="Delete" CommandArgument='<%# Eval("PremiseUno") %>'  onclick="LinkButton1_Click"></asp:LinkButton>
                    </ItemTemplate>
                </asp:TemplateField>



            </Columns>

Answer 1

如果将绑定字段转换为模板字段，则可以访问包含前提评分值的控件：

<asp:TemplateField HeaderText="test">
     <ItemTemplate>
         <asp:Label runat="server" ID="testLabel" Text='<%# Eval("PremiseScore") %>'></asp:Label>
     </ItemTemplate>               
</asp:TemplateField>

然后，您可以执行以下操作来计算gridview的Databound事件中的总和：

protected void Grid_DataBound(Object sender, EventArgs e)
{
    GridViewRow footerRow = grid.FooterRow;
    var sum = (from GridViewRow row in grid.Rows select ((Label)row.FindControl("testLabel")).Text).Sum(d => Convert.ToInt16(d));

    footerRow.Cells[0].Text = sum.ToString();
}

我在这里假设所有值都是整数，但它很容易转换为其他值类型。

在Gridview中为一列添加摘要行

1 个答案: