前台代码：
代码
1 <asp:GridView ID="NianDaiGridView" runat="server" AllowPaging="True" 2 AutoGenerateColumns="False" BorderWidth="1px" CellPadding="4" 3 ForeColor="#333333" Width="100%" DataKeyNames="niandaid" PageSize="8" 4 EnableModelValidation="True" 5 onpageindexchanging="NianDaiGridView_PageIndexChanging" 6 onrowcreated="NianDaiGridView_RowCreated" 7 onrowcancelingedit="NianDaiGridView_RowCancelingEdit" 8 onrowediting="NianDaiGridView_RowEditing" 9 onrowupdating="NianDaiGridView_RowUpdating" 10 onrowdeleting="NianDaiGridView_RowDeleting">11 <RowStyle BackColor="#EFF3FB" HorizontalAlign="Center" />12 <Columns>13 <asp:BoundField DataField="niandaid" HeaderText="编号" ReadOnly="True" />14 <asp:TemplateField HeaderText="朝代国家">15 <ItemTemplate>16 <asp:Label ID="lblcaodaim" runat="server" Text='<%#Eval("caodaim") %>'></asp:Label>17 <asp:Label ID="lblguoming" runat="server" Text='<%#Eval("guoming") %>'></asp:Label>18 </ItemTemplate>19 <EditItemTemplate>20 <asp:TextBox ID="txtcaodaim" runat="server" Text='<%#Eval("caodaim") %>' Width="50px"></asp:TextBox>21 <asp:TextBox ID="txtguoming" runat="server" Text='<%#Eval("guoming") %>' Width="80px"></asp:TextBox>22 </EditItemTemplate>23 </asp:TemplateField>24 <asp:TemplateField HeaderText="起止年代(年)">25 <ItemTemplate>26 <asp:Label ID="lblqizhi" runat="server" Text='<%#Eval("qizhi") %>'></asp:Label>27 </ItemTemplate>28 <EditItemTemplate>29 <asp:TextBox ID="txtqizhi" runat="server" Text='<%#Eval("qizhi") %>'></asp:TextBox>30 </EditItemTemplate>31 </asp:TemplateField>32 <asp:CommandField HeaderText="编辑" ShowEditButton="True" />33 <asp:TemplateField HeaderText="删除">34 <ItemTemplate>35 <asp:LinkButton ID="LinkButton1" runat="server" 36 CommandArgument='<%#Eval("niandaid") %>' CommandName="GetDeleteByID" 37 OnClientClick="return confirm("您真的要删除这条记录吗？")" Text="删除" CausesValidation="False">删除</asp:LinkButton>38 </ItemTemplate>39 </asp:TemplateField>40 </Columns>41 <FooterStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" />42 <PagerStyle BackColor="#2461BF" ForeColor="White" HorizontalAlign="Center" />43 <SelectedRowStyle BackColor="#D1DDF1" Font-Bold="True" ForeColor="#333333" />44 <HeaderStyle BackColor="#507CD1" Font-Bold="True" ForeColor="White" 45 Height="30px" />46 <EditRowStyle BackColor="#2461BF" />47 <AlternatingRowStyle BackColor="White" />48 </asp:GridView>49
后台代码：
代码
1 protected void NianDaiGridView_RowUpdating(object sender, GridViewUpdateEventArgs e) 2 { 3 //获得编号 这个编号要在GridView中设置一下属性 DataKeyNames 这里设置的是数据库的主键ID 4 //e.RowIndex 这个通过 事件源 e 来获得RowIndex 代表 行号 5 int agentId = int.Parse(this.NianDaiGridView.DataKeys[e.RowIndex].Value.ToString()); 6 7 // 这里是取得编辑时的值 8 // 通过 Rows[e.RowIndex] 当时事件的行 9 // FindControl[""]代表获取GridView内的控件名称，如FindControl("txtshehui")10 // 我们取出来的控件的类型都是Control类型 的,所以,我们要根据我们定义的控件类型去转换,这里是TextBox类型 (注意 括号的加法)11 //如果是其它类型,就转换成其它的类型就可以了如DropDownList12 TextBox txtguoming = (TextBox)NianDaiGridView.Rows[e.RowIndex].FindControl("txtguoming");13 TextBox txtqizhi = (TextBox)NianDaiGridView.Rows[e.RowIndex].FindControl("txtqizhi");14 string guoming = txtguoming.Text;15 string qizhi = txtqizhi.Text;16 //调用修改的方法17 18 //实例化对象19 txpj.Model.*** model = new txpj.Model.***();20 model.niandaid = agentId;21 model.guoming = guoming;22 model.qizhi = qizhi;23 txpj.BLL.***bll = new txpj.BLL.***();24 bll.Update(model);25 26 Page.ClientScript.RegisterStartupScript(this.GetType(), "PopupScript", "alert('修改成功！')", true);27 28 //修改完全后,把EditIndex设置为-1 ,非编辑状态29 this.NianDaiGridView.EditIndex = -1;30 31 //记得要重新调用一下绑定数据的方法哦32 dataBind();33 }
来源：https://www.cnblogs.com/jian1982/archive/2010/06/17/1759634.html