UpdatePanel 与 Gridview 的CommandField 更新不了
UpdatePanel 与 Gridview 要实现无刷新增加，修改，删除，分页。 增加，删除，分页 都能运行成功，修改功能未能实现，点击 “编辑” 就会出现“更新”和“取消”。取消没有问题，但是更新这个做不了。每一次输入新的内容，再点击“更新”，它又会变会原来的。
上网查过很多资料。估计是，updatePanel 对 更新按钮调用不了updating 方法。
aspx代码
<%@ Page Language="C#" MasterPageFile="MasterPage.master" AutoEventWireup="true" CodeFile="RoleInfo.aspx.cs" Inherits="Admin_RoleInsert" Title="设备管理后台系统" %><%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" Namespace="System.Web.UI" TagPrefix="asp" %><asp:Content ID="Content1" ContentPlaceHolderID="head" runat="Server"> <link rel="Stylesheet" type="text/css" href="../Admin/css/Modular.css" /></asp:Content><asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server"> <div class="webmap"> </div> <asp:ScriptManagerProxy ID="ScriptManagerProxy1" runat="server"> </asp:ScriptManagerProxy> <div id="ModularName"> 用户角色管理模块</div> <hr class="hr2" /> <div id="ModularContent"> <div class="title"> <h1> 增加用户角色</h1> <table> <tr> <td> <asp:Label ID="labName" runat="server" Text="新角色名称："></asp:Label> </td> <td> <asp:TextBox ID="tbxrolename" runat="server" ValidationGroup="addRo"></asp:TextBox> <asp:RequiredFieldValidator ID="RequiredFieldValidator1" ValidationGroup="addRo" ControlToValidate="tbxrolename" runat="server" ErrorMessage="请输入类别名字！" Text="*"></asp:RequiredFieldValidator> </td> <td> <asp:Button ID="addbtn" runat="server" Text="增加角色" ValidationGroup="addRo" OnClick="addbtn_Click" /> <asp:ValidationSummary ID="ValidationSummary1" ValidationGroup="addRo" ShowMessageBox="true" ShowSummary="false" runat="server" /> </td> </tr> </table> </div> <hr class="hr2" /> [color=#FF0000] <asp:UpdatePanel ID="MyUpdatePanel" runat="server" ChildrenAsTriggers="true" UpdateMode="Conditional"[/color]> <ContentTemplate> <div class="list"> <asp:GridView ID="gvRoleInfo" runat="server" AutoGenerateColumns="False" AllowPaging="True" GridLines="Horizontal" BorderColor="#CAD9EA" BorderStyle="Solid" BorderWidth="1px" CellPadding="4" OnPageIndexChanging="gvRoleInfo_PageIndexChanging" OnRowUpdating="gvRoleInfo_RowUpdating" OnRowEditing="gvRoleInfo_RowEditing" OnRowCancelingEdit="gvRoleInfo_RowCancelingEdit" OnRowDeleting="gvRoleInfo_RowDeleting"> <RowStyle CssClass="RowStyle1" /> <FooterStyle BackColor="White" ForeColor="#333333" /> <PagerStyle CssClass="PagerStyle1" /> <SelectedRowStyle BackColor="#339966" Font-Bold="True" ForeColor="White" /> <HeaderStyle CssClass="HeadStyle1" /> <AlternatingRowStyle CssClass="AltRowStyle1" /> <EditRowStyle CssClass="EditRowStyle1" /> <Columns> <asp:BoundField DataField="roleId" HeaderText="角色编号" ReadOnly="true" /> <asp:BoundField DataField="roleName" HeaderText="角色名称" /> <asp:CommandField HeaderText="编辑" ShowEditButton="True" /> <asp:CommandField HeaderText="删除" ShowDeleteButton="True" /> <asp:TemplateField> <ItemTemplate> <asp:Button ID="button" runat="server" Text="更新" UseSubmitBehavior="false" /> </ItemTemplate> </asp:TemplateField> </Columns> <PagerTemplate> ...... </PagerTemplate> </asp:GridView> <br /> </div> </div> </ContentTemplate> <Triggers> </Triggers> </asp:UpdatePanel></asp:Content>
using ...public partial class Admin_RoleInsert : System.Web.UI.Page{ protected void Page_Load(object sender, EventArgs e) { if (!Page.IsPostBack) { gvRoleInfo.DataSource = new RolesInfoBLL().RoleSelectAll(); gvRoleInfo.DataBind(); } else { LoadData(); } } void LoadData() { gvRoleInfo.DataSource = new RolesInfoBLL().RoleSelectAll(); gvRoleInfo.DataBind(); } protected void gvRoleInfo_RowUpdating(object sender, GridViewUpdateEventArgs e) { GridView gvRoleInfo= sender as GridView; string id = (gvRoleInfo.Rows[e.RowIndex].Cells[0]).Text; string name = ((TextBox)gvRoleInfo.Rows[e.RowIndex].Cells[1].Controls[0]).Text; bool c = new RolesInfoBLL().RolesNameIsExists(name); if (!c) { RolesInfo ro = new RolesInfo(id, name); bool b = new RolesInfoBLL().RoleUpdate(ro); if (b) { Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('更新成功！');</script>"); gvRoleInfo.EditIndex = -1; LoadData(); } else { Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('更新失败，请联系管理员！');</script>"); } } else { Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('该角色名称已经存在，请重新输入！');</script>"); tbxrolename.Text = ""; return; } } protected void gvRoleInfo_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { gvRoleInfo.EditIndex = -1; LoadData(); } protected void gvRoleInfo_RowEditing(object sender, GridViewEditEventArgs e) { gvRoleInfo.EditIndex = e.NewEditIndex; LoadData(); } protected void gvRoleInfo_RowDeleting(object sender, GridViewDeleteEventArgs e) { string roleId = (gvRoleInfo.Rows[e.RowIndex].Cells[0]).Text; bool b = new RolesInfoBLL().RoleDelete(roleId); if (b) { Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('删除成功！');</script>"); LoadData(); } else { string err = new RolesInfoBLL().ErrMessage.ToString(); Response.Write(err); Page.ClientScript.RegisterStartupScript(Page.GetType(), "message", "<script language='javascript' defer>alert('删除失败，请联系管理员！');</script>"); } } protected void gvRoleInfo_PageIndexChanging(object sender,GridViewPageEventArgs e) 。。。。 }