Aspx页面代码：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="Manage_News_Default" EnableEventValidation = "false"%>
<!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>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" AllowPaging="True"
OnPageIndexChanging="GridView1_PageIndexChanging" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px"
>
<FooterStyle BackColor="White" ForeColor="#000066" />
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="log_ID" HeaderText="编号" SortExpression="log_ID" InsertVisible="False" ReadOnly="True" />
<asp:BoundField DataField="log_Title" HeaderText="标题" SortExpression="log_Title" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
</asp:GridView>
<div> <asp:Button ID="Button1" runat="server" Text="导出 Excel" OnClick="Button1_Click" /></div>
</div>
</form>
</body>
</html>
Aspx.cs 代码：
using System;
using System.Data;
using System.Data.OleDb;
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;
using System.IO;
public partial class Manage_News_Default : System.Web.UI.Page
{
OleDbConnection sqlcon;
OleDbCommand sqlcom;
string strCon = ConfigurationManager.AppSettings["DB"].ToString();
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from blog_Article where log_ID=" + Convert.ToInt16( GridView1.DataKeys[e.RowIndex].Value.ToString()) + "";
sqlcon = new OleDbConnection("provider=microsoft.jet.oledb.4.0;data source=" + Server.MapPath(strCon));
sqlcom = new OleDbCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new OleDbConnection("provider=microsoft.jet.oledb.4.0;data source=" + Server.MapPath(strCon));
string sqlstr = "update blog_Article set log_Title='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim()
//+ "',字段2='" + ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim()
+ "' where log_ID=" + Convert.ToInt16( GridView1.DataKeys[e.RowIndex].Value.ToString() )+ "";
sqlcom = new OleDbCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
//取消
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
//绑定
public void bind()
{
string sqlstr = "select * from [blog_Article]";
sqlcon = new OleDbConnection("provider=microsoft.jet.oledb.4.0;data source=" + Server.MapPath(strCon));
OleDbDataAdapter myda = new OleDbDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "表");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "log_ID" };//主键
GridView1.DataBind();
sqlcon.Close();
sqlcon.Dispose();
}
protected void GridView1_PageIndexChanging(object sender, GridViewPageEventArgs e)
{
GridView1.PageIndex = e.NewPageIndex;
bind();
}
public override void VerifyRenderingInServerForm(Control control)
{ }
protected void Button1_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=Excel.xls"); //转化为其他 后缀名改以下
Response.ContentEncoding = System.Text.Encoding.UTF7; //;字符集格式
Response.ContentType = "application/ms-excel"; //转化为其他 如 excel 改为 Word
StringWriter oStringWriter = new StringWriter();
HtmlTextWriter OHtmlTextWriter = new HtmlTextWriter(oStringWriter);
GridView1.AllowPaging = false;
GridView1.Columns[GridView1.Columns.Count - 1].Visible = false; //不显示删除
GridView1.Columns[GridView1.Columns.Count - 2].Visible = false; //不显示编辑
bind();
GridView1.RenderControl(OHtmlTextWriter);
Response.Output.Write(oStringWriter.ToString());
Response.Flush();
Response.End();
}
}