手动绑定数据到GridView并实现编辑，删除，取消···
效果图：
前台代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default5.aspx.cs" Inherits="Default5" %><!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 runat="server"> <title>无标题页</title></head><body> <form id="form1" runat="server"> <div align="center"> <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4" ForeColor="#333333" GridLines="None" Height="285px" onrowcancelingedit="GridView1_RowCancelingEdit" onrowdeleting="GridView1_RowDeleting" onrowediting="GridView1_RowEditing" onrowupdating="GridView1_RowUpdating" Width="771px"> <FooterStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <RowStyle BackColor="#F7F6F3" ForeColor="#333333" /> <Columns> <asp:BoundField DataField="id" HeaderText="学号" /> <asp:BoundField DataField="name" HeaderText="姓名" /> <asp:BoundField DataField="sex" HeaderText="性别" /> <asp:BoundField DataField="age" HeaderText="年龄" /> <asp:BoundField DataField="department" HeaderText="专业" /> <asp:BoundField DataField="grade" HeaderText="班级" /> <asp:CommandField HeaderText="编辑 " ShowEditButton="True" /> <asp:CommandField HeaderText="选择" ShowSelectButton="True" /> <asp:TemplateField HeaderText="删除 " ShowHeader="False"> <ItemTemplate> <asp:LinkButton ID="LinkButton1" runat="server" CausesValidation="False" CommandName="Delete" Text="删除" OnClientClick="return confirm('你确定要删除吗？')"></asp:LinkButton> </ItemTemplate> </asp:TemplateField> </Columns> <PagerStyle BackColor="#284775" ForeColor="White" HorizontalAlign="Center" /> <SelectedRowStyle BackColor="#E2DED6" Font-Bold="True" ForeColor="#333333" /> <HeaderStyle BackColor="#5D7B9D" Font-Bold="True" ForeColor="White" /> <EditRowStyle BackColor="#999999" /> <AlternatingRowStyle BackColor="White" ForeColor="#284775" /> </asp:GridView> </div> </form></body></html>后台代码：
using System;using System.Collections;using System.Configuration;using System.Data;using System.Web;using System.Web.Security;using System.Web.UI;using System.Web.UI.HtmlControls;using System.Web.UI.WebControls;using System.Web.UI.WebControls.WebParts;using System.Data.SqlClient;public partial class Default5 : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack) { Bind();
} } private void Bind() { SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString); SqlDataAdapter adq = new SqlDataAdapter("select * from information", conn); DataSet dataset=new DataSet(); adq.Fill(dataset,"information"); GridView1.DataSource=dataset; GridView1.DataKeyNames=new String[]{"id"}; GridView1.DataBind(); } protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e) { GridView1.EditIndex = e.NewEditIndex; Bind(); } protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e) { SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString); SqlCommand comm = new SqlCommand("delete from information where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'",conn); conn.Open(); try { int i = Convert.ToInt32(comm.ExecuteNonQuery()); if (i > 0) { Response.Write("<script language=javascript>alert('删除成功！')</script>"); } else { Response.Write("<script language=javascript>alert('删除失败！')</script>"); } Bind(); } catch (Exception erro) { Response.Write("错误信息:"+erro.Message); } finally { conn.Close(); } } protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e) { string id = ((TextBox)GridView1.Rows[e.RowIndex].Cells[0].Controls[0]).Text.ToString().Trim(); string name = ((TextBox)GridView1.Rows[e.RowIndex].Cells[1].Controls[0]).Text.ToString().Trim(); string sex = ((TextBox)GridView1.Rows[e.RowIndex].Cells[2].Controls[0]).Text.ToString().Trim(); string age= ((TextBox)GridView1.Rows[e.RowIndex].Cells[3].Controls[0]).Text.ToString().Trim(); string department = ((TextBox)GridView1.Rows[e.RowIndex].Cells[4].Controls[0]).Text.ToString().Trim(); string grade = ((TextBox)GridView1.Rows[e.RowIndex].Cells[5].Controls[0]).Text.ToString().Trim(); SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Personal"].ConnectionString); SqlCommand comm = new SqlCommand("update information set id='"+id+"', name='"+name+"' , sex='"+sex+"' , age='"+age+"' , department='"+department+"' , grade='"+grade+"' where id='"+GridView1.DataKeys[e.RowIndex].Value.ToString()+"'", conn); conn.Open(); try { int i = Convert.ToInt32(comm.ExecuteNonQuery()); if (i > 0) { Response.Write("<script language=javascript>alert('保存成功！')</script>"); } else { Response.Write("<script language=javascript>alert('保存失败！')</script>"); } GridView1.EditIndex = -1; Bind(); } catch (Exception erro) { Response.Write("错误信息:" + erro.Message); } finally { conn.Close(); } } protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e) { GridView1.EditIndex = -1; Bind(); }
}
