GridView CommandArgument 绑定多个参数

我们在使用GridView的时候 有时会需要绑定多个参数

            <asp:GridView ID="gvwVoxListAll" runat="server" Width="100%" AutoGenerateColumns="False"
                          AllowPaging="True" OnPageIndexChanging="gvwVoxListAll_PageIndexChanging" ShowCheckBoxColumn="True" HasGridValue="False" NewSortExpression="" OnRowCommand="gvwVoxListAll_RowCommand" BorderColor="#F8D791" CssClass="tableCssBga1">
                <Columns>
                <asp:BoundField DataField="group_placard_id" HeaderText="编号" >
                <HeaderStyle CssClass="header_myinform" />
                    <ItemStyle CssClass="header_myinform" HorizontalAlign="Center" VerticalAlign="Middle" />
                    <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
                </asp:BoundField>
                <asp:BoundField DataField="group_placard_title" HeaderText="公告标题" >
                <HeaderStyle CssClass="header_myinform" />
                    <ItemStyle CssClass="header_myinform" HorizontalAlign="Center" VerticalAlign="Middle" />
                    <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
                </asp:BoundField>
                <asp:BoundField DataField="group_name" HeaderText="群组名称" >
                <HeaderStyle CssClass="header_myinform" />
                    <ItemStyle CssClass="header_myinform" HorizontalAlign="Center" VerticalAlign="Middle" />
                    <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
                </asp:BoundField>
                <asp:BoundField DataField="group_placard_time" HeaderText="发布时间" >
                <HeaderStyle CssClass="header_myinform" />
                    <ItemStyle CssClass="header_myinform" HorizontalAlign="Center" VerticalAlign="Middle" />
                    <ItemStyle HorizontalAlign="Center" VerticalAlign="Middle" />
                </asp:BoundField>

                <asp:TemplateField HeaderText="操作">
                    <ItemTemplate>
                        <asp:LinkButton ID="btEdit" runat="server" CausesValidation="False" CommandName="editData"
                            CssClass="lb" CommandArgument='<%# Eval("group_placard_id")+","+Eval("group_id")  %>'>修改</asp:LinkButton>
                        <asp:LinkButton ID="dtDelete" runat="server" CausesValidation="False" CommandName="delData"
                            CommandArgument='<%# Eval("group_placard_id") %>' CssClass="lb" OnClientClick='if(confirm("您确定删除吗?"))return true;else return false;'>删除</asp:LinkButton>
                    </ItemTemplate>
                    <ItemStyle Wrap="False" CssClass="main_myinform" />
                    <HeaderStyle Width="20%" CssClass="main_myinform" />
                </asp:TemplateField>
                </Columns>
                <PagerSettings FirstPageText="第一页" LastPageText="最后页" Mode="NextPreviousFirstLast" NextPageText="下一页" PreviousPageText="上一页" Visible="False" />
                <PagerStyle HorizontalAlign="Right" />
                <HeaderStyle HorizontalAlign="Center" VerticalAlign="Middle" BackColor="#FFF7E5" CssClass="trCssBga1" />
            </asp:GridView>

        后置代码：

    protected void gvwVoxListAll_RowCommand(object sender, GridViewCommandEventArgs e)
    {

        if (e.CommandName.Equals("editData"))
        {
            string[] estr = e.CommandArgument.ToString().Split(',');
            string placardID = Convert.ToString(estr[0]);
            string groupID = Convert.ToString(estr[1]);
            Response.Redirect("addPlacard.aspx?mark=edit&placardID=" + placardID + "&groupID=" + groupID);
        }
        if (e.CommandName.Equals("delData"))
        {
            string placardID = e.CommandArgument.ToString();
            int result = placard.DelPlacard(placardID);
            if (result > 0)
            {
                this.bindData();
                new BaseTool().showAlert("删除成功!");
            }
            else
                new BaseTool().showAlert("删除失败!");
        }
    }