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GridView自定义删除操作的具体方法

  • 时间:2022-11-12 23:43 编辑: 来源: 阅读:
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摘要:GridView自定义删除操作的具体方法
首先,我们前端的代码如下:
[u]复制代码[/u] 代码如下:
<asp:GridView ID="gridViewDxjk" CssClass="gridview" runat="server" AllowPaging="True"                   DataKeyNames="P_ID" AutoGenerateColumns="False"                        RowStyle-HorizontalAlign="Center" BorderWidth="1px" PageSize="17"                       onrowdeleting="gridViewDxjk_RowDeleting"                       OnRowDataBound="gridViewDxjk_RowDataBound"                       onpageindexchanging="gridViewDxjk_PageIndexChanging" >                         <HeaderStyle CssClass="head" />                         <PagerStyle CssClass="pager" />                         <RowStyle CssClass="row" />                         <EditRowStyle CssClass="editrow" />                         <AlternatingRowStyle CssClass="altrow" />                         <EmptyDataRowStyle CssClass="empty" />                         <Columns>                                                     <asp:HyperLinkField HeaderText="编辑" ControlStyle-Width="50" DataNavigateUrlFields="P_ID" DataNavigateUrlFormatString="smsModify.aspx?id={0}" Text="编辑"  >                                 <ControlStyle Width="50px"></ControlStyle></asp:HyperLinkField>                                 <asp:CommandField  ShowDeleteButton="true" DeleteText="删除"   >                                 <ControlStyle Width="50px"></ControlStyle></asp:CommandField>                                 <asp:BoundField DataField="P_ID" HeaderText="id" SortExpression="P_ID" ItemStyle-HorizontalAlign="Center"  Visible="False" >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_NAME" HeaderText="名称" SortExpression="P_NAME" />                                 <asp:BoundField DataField="P_Type" HeaderText="通知方式" SortExpression="P_Type" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_Fzr" HeaderText="姓名" SortExpression="P_Fzr" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_tel" HeaderText="通知手机" SortExpression="P_tel" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_jg" HeaderText="通知间隔(小时)" SortExpression="P_jg" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_on" HeaderText="是否开启" SortExpression="P_on" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_lasttime" HeaderText="最后发送时间" SortExpression="P_lasttime" ItemStyle-HorizontalAlign="Center"  >                                 <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                                 <asp:BoundField DataField="P_memo" HeaderText="备注" SortExpression="P_memo" ItemStyle-HorizontalAlign="Center"  >                                                   <ItemStyle HorizontalAlign="Center"></ItemStyle></asp:BoundField>                         </Columns>                         <EmptyDataTemplate>                         没有数据!                         </EmptyDataTemplate>                          <PagerTemplate>                         <table width="100%" class="gvPage" style="font-size:12px;">                             <tr>                             <td style="text-align: right">                                 第<asp:Label ID="lblPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'></asp:Label>页                                 /共<asp:Label ID="lblPageCount" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageCount %>'></asp:Label>页                                 <asp:LinkButton ID="LinkButtonFirstPage" runat="server" CommandArgument="First" CommandName="Page" Visible="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>">首页</asp:LinkButton>                               <asp:LinkButton ID="LinkButtonPreviousPage" runat="server" CommandArgument="Prev" CommandName="Page"  Visible="<%# ((GridView)Container.NamingContainer).PageIndex != 0 %>">上一页</asp:LinkButton>                               <asp:LinkButton ID="LinkButtonNextPage" runat="server" CommandArgument="Next" CommandName="Page"  Visible="<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>">下一页</asp:LinkButton>                               <asp:LinkButton ID="LinkButtonLastPage" runat="server" CommandArgument="Last" CommandName="Page"  Visible="<%# ((GridView)Container.NamingContainer).PageIndex != ((GridView)Container.NamingContainer).PageCount - 1 %>">尾页</asp:LinkButton>                               <asp:TextBox ID="txtNewPageIndex" runat="server" Text='<%# ((GridView)Container.Parent.Parent).PageIndex + 1 %>'  Width="20px" AutoPostBack="true" ></asp:TextBox>                               <asp:LinkButton ID="btnGoEx" runat="server" CommandArgument="GO" CommandName="Page" Text="GO" OnClick="btnGoEx_Click"></asp:LinkButton>                             </td>                             </tr>                         </table>                     </PagerTemplate>                  </asp:GridView>
后端的话,由于需要弹出删除前的确认框,所以,我们需要在RowDataBound里面做点什么?同时,要想真正的删除,还需要触发RowDeleting事件,具体代码如下:
[u]复制代码[/u] 代码如下:
//报警删除         protected void gridViewDxjk_RowDeleting(object sender, GridViewDeleteEventArgs e)         {             string key = gridViewDxjk.DataKeys[e.RowIndex].Value.ToString();             bool flag = bll.Delete(Int32.Parse(key));             if (flag)                 NXT_WLService.App_Code.JScript.Alert("删除成功!", this);             else                 NXT_WLService.App_Code.JScript.Alert("删除失败!", this);         }                 protected void gridViewDxjk_RowDataBound(object sender, GridViewRowEventArgs e)         {             if (e.Row.RowType == DataControlRowType.DataRow)             {                 LinkButton btn = (LinkButton)e.Row.Cells[1].Controls[0];                 if (btn.Text.Equals("删除"))//刪除鈕才加提示訊息                      btn.OnClientClick = "if (confirm('你确认要删除?')) javascript:__doPostBack('gridViewDxjk','Delete$" + e.Row.RowIndex.ToString() + "'); else return false;";             }         }
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