1.html
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GridView_DeleteUpdate2.aspx.cs"
Inherits="GridView_GridView_DeleteUpdate2" MaintainScrollPositionOnPostback="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head id="Head1" runat="server"> <title>GridView基本的操作 编辑 更新 取消</title></head><body> <form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server" Width="100%" AutoGenerateColumns="False" > <Columns> <asp:TemplateField> <HeaderTemplate> User_ID</HeaderTemplate> <ItemTemplate> <asp:Label ID="Lbl_UserID" Text='<%#Eval("User_ID") %>' runat="server"></asp:Label> </ItemTemplate> <EditItemTemplate> <asp:Label ID="Lbl_UserID" Text='<%#Eval("User_ID") %>' runat="server"></asp:Label> </EditItemTemplate><%-- <FooterTemplate>
<asp:Label ID="Lbl_UserID" Text='<%#Eval("User_ID") %>' runat="server"></asp:Label> </FooterTemplate>--%> </asp:TemplateField> <asp:TemplateField> <HeaderTemplate> User_Email</HeaderTemplate> <ItemTemplate> <asp:Label ID="Lbl_UserEmail" Text='<%#Eval("User_Email") %>' runat="server"></asp:Label> </ItemTemplate> <EditItemTemplate> <asp:TextBox ID="Txt_UserEmail" Text='<%#Eval("User_Email") %>' runat="server"></asp:TextBox> </EditItemTemplate><%-- <FooterTemplate> <%#Eval("User_Email")%> </FooterTemplate>--%> </asp:TemplateField> <asp:TemplateField> <HeaderTemplate> DaLei_Desc</HeaderTemplate> <ItemTemplate> <asp:Label ID="Lbl_DaLeiDesc" Text='<%#Eval("DaLei_Desc")%>' runat="server"></asp:Label> <input id="hidden_DaLeiDesc" type="hidden" value='<%#Eval("DaLei_ID")%>' runat="server" /> </ItemTemplate> <EditItemTemplate> <asp:DropDownList ID="DropDownList_DaLeiDesc" runat="server" AutoPostBack="true" OnSelectedIndexChanged="DropDownList_DaLeiDesc_SelectedIndexChanged"> </asp:DropDownList> </EditItemTemplate> <%-- <FooterTemplate> <%#Eval("DaLei_Desc")%> <input type="hidden" value="'<%#Eval("DaLei_ID")%>'" /> </FooterTemplate>--%> </asp:TemplateField> <asp:TemplateField> <HeaderTemplate> XiaoLei_Desc</HeaderTemplate> <ItemTemplate> <asp:Label ID="Lbl_XiaoLeiDesc" Text='<%#Eval("XiaoLei_Desc")%>' runat="server"></asp:Label> <input id="hidden_XiaoLeiDesc" type="hidden" value='<%#Eval("XiaoLei_ID")%>' runat="server" /> </ItemTemplate> <EditItemTemplate> <asp:DropDownList ID="DropDownList_XiaoLeiDesc" runat="server"> <asp:ListItem Value="-1" Text="--请选择--"></asp:ListItem> </asp:DropDownList> </EditItemTemplate><%-- <FooterTemplate> <%#Eval("XiaoLei_Desc")%> <input type="hidden" value="'<%#Eval("XiaoLei_ID")%>'" /> </FooterTemplate>--%> </asp:TemplateField> <asp:CommandField ShowEditButton="True" HeaderText="编辑" /> <asp:CommandField ShowDeleteButton="True" HeaderText="删除" /> </Columns> </asp:GridView> </div> </form></body></html>using System;using System.Data;using System.Configuration;using System.Collections;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Web.UI.HtmlControls;public partial class GridView_GridView_DeleteUpdate2 : System.Web.UI.Page{ Practice.BLL.T_User userbll = new Practice.BLL.T_User(); Practice.Model.T_User usermodel = new Practice.Model.T_User(); Practice.BLL.T_DaLei daleibll = new Practice.BLL.T_DaLei(); Practice.BLL.T_XiaoLei xiaoleibll = new Practice.BLL.T_XiaoLei(); static int index = 0;//主要记录编辑的index行 protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { DataBindGridView();
} GridView1.RowDeleting += new GridViewDeleteEventHandler(GridView1_RowDeleting); GridView1.RowEditing += new GridViewEditEventHandler(GridView1_RowEditing); GridView1.RowCancelingEdit += new GridViewCancelEditEventHandler(GridView1_RowCancelingEdit); GridView1.RowUpdating += new GridViewUpdateEventHandler(GridView1_RowUpdating); } /// <summary> /// 功 能：GridView删除事件 /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { string User_ID = ((Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Lbl_UserID")).Text.Trim(); Response.Write("删除时：<br/>User_ID = " + User_ID); //userbll.Delete(Convert.ToInt32(User_ID)); DataBindGridView();//重新绑定数据源 } /// <summary> /// 功 能：GridView编辑事件 /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { // string DaLei_Desc = ((Label)GridView1.Rows[e.NewEditIndex].Cells[2].FindControl("Lbl_DaLeiDesc")).Text.Trim(); // string DaLei_ID = ((HtmlInputHidden)GridView1.Rows[e.NewEditIndex].Cells[2].FindControl("hidden_DaLeiDesc")).Value.Trim(); GridView1.EditIndex = e.NewEditIndex; index = GridView1.EditIndex; DataBindGridView(); //((DropDownList)GridView1.Rows[e.NewEditIndex].Cells[2].FindControl("DropDownList_DaLeiDesc")).SelectedItem.Text = DaLei_Desc; //((DropDownList)GridView1.Rows[e.NewEditIndex].Cells[2].FindControl("DropDownList_DaLeiDesc")).SelectedValue = DaLei_ID; DataBindDropDownList((DropDownList)GridView1.Rows[e.NewEditIndex].Cells[0].FindControl("DropDownList_DaLeiDesc")); } /// <summary> /// 功 能：绑定DropDownList_DaLeiDesc /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="DropDownList_DaLeiDesc"></param> private void DataBindDropDownList(DropDownList DropDownList_DaLeiDesc) { DropDownList_DaLeiDesc.Items.Clear(); DataSet ds = daleibll.GetList(""); DropDownList_DaLeiDesc.DataSource = ds; DropDownList_DaLeiDesc.DataValueField = "DaLei_ID"; DropDownList_DaLeiDesc.DataTextField = "DaLei_Desc"; DropDownList_DaLeiDesc.DataBind(); ListItem LI = new ListItem(); LI.Text = "--请选择--"; LI.Value = "-1"; DropDownList_DaLeiDesc.Items.Insert(0, LI); } /// <summary> /// 功 能：DropDownList_DaLeiDesc的SelectedIndexChanged事件，绑定DropDownList_XiaoLeiDesc /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="sender"></param> /// <param name="e"></param> protected void DropDownList_DaLeiDesc_SelectedIndexChanged(object sender, EventArgs e) { DropDownList DropDownList_XiaoLeiDesc1 = new DropDownList(); DropDownList_XiaoLeiDesc1 = (DropDownList)GridView1.Rows[index].FindControl("DropDownList_XiaoLeiDesc"); DropDownList_XiaoLeiDesc1.Items.Clear(); DataSet ds = xiaoleibll.GetList(Convert.ToInt32(((DropDownList)sender).SelectedValue)); DropDownList_XiaoLeiDesc1.DataSource = ds; DropDownList_XiaoLeiDesc1.DataValueField = "XiaoLei_ID"; DropDownList_XiaoLeiDesc1.DataTextField = "XiaoLei_Desc"; DropDownList_XiaoLeiDesc1.DataBind(); ListItem LI = new ListItem(); LI.Text = "--请选择--"; LI.Value = "-1"; DropDownList_XiaoLeiDesc1.Items.Insert(0, LI); } /// <summary> /// 功 能：GridView取消事件 /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; DataBindGridView(); } /// <summary> /// 功 能：GridView更新事件 /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> /// <param name="sender"></param> /// <param name="e"></param> void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { usermodel.User_ID = Convert.ToInt32(((Label)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Lbl_UserID")).Text.Trim()); usermodel.User_Email = ((TextBox)GridView1.Rows[e.RowIndex].Cells[0].FindControl("Txt_UserEmail")).Text.Trim(); usermodel.DaLei_ID = Convert.ToInt32(((DropDownList)GridView1.Rows[e.RowIndex].Cells[0].FindControl("DropDownList_DaLeiDesc")).SelectedValue.Trim()); usermodel.XiaoLei_ID = Convert.ToInt32(((DropDownList)GridView1.Rows[e.RowIndex].Cells[0].FindControl("DropDownList_XiaoLeiDesc")).SelectedValue.Trim()); string DaLei_Desc = ((DropDownList)GridView1.Rows[e.RowIndex].Cells[0].FindControl("DropDownList_DaLeiDesc")).SelectedItem.Text.Trim(); string XiaoLei_Desc = ((DropDownList)GridView1.Rows[e.RowIndex].Cells[0].FindControl("DropDownList_XiaoLeiDesc")).SelectedItem.Text.Trim(); Response.Write("更新时：<br/>User_ID = " + usermodel.User_ID + "<br/>User_Email = " + usermodel.User_Email + "<br/>DaLei_ID = " + usermodel.DaLei_ID + " DaLei_Desc = " + DaLei_Desc + "<br/>XiaoLei_ID = " + usermodel.XiaoLei_ID + " XiaoLei_Desc = " + XiaoLei_Desc); userbll.Update(usermodel); Response.Write("<br/>更新完成！"); GridView1.EditIndex = -1; DataBindGridView(); } /// <summary> /// 功 能：绑定GridView /// 作 者：PUKE /// 完成时间：2007-06-04 /// 版 权：pukesys@tom.com /// </summary> private void DataBindGridView() { DataSet ds = userbll.GetList(""); GridView1.DataSource = ds; GridView1.DataBind(); }}