如何将数据绑到gridview然后导成excel

复制代码 代码如下:

  using System;

  using System.Collections.Generic;

  using System.Linq;

  using System.Web;

  using System.Web.UI;

  using System.Web.UI.WebControls;

  using System.Data .SqlClient ;

  using System.Data ;

  public partial class _Default : System.Web.UI.Page

  {

  protected void Page_Load(object sender, EventArgs e)

  {

  String sqlconn = "Server=.; DataBase=db; Integrated Security=SSPI ";

  string sql = "select top 10 * from table";

  SqlConnection myConnection = new SqlConnection(sqlconn);// 创建数据库连接实例

  myConnection.Open(); //打开数据库

  SqlCommand myCommand = new SqlCommand(sql, myConnection);//创建sql的实例,执行一个sql

  SqlDataAdapter Adapter = new SqlDataAdapter();//创建一个sql数据适配器

  Adapter.SelectCommand = myCommand;//属性设置为 从数据源中检索记录

  DataSet myDs = new DataSet(); //创建数据集实例

  Adapter.Fill(myDs);//填充数据集

  GridView1.DataSource = myDs.Tables[0].DefaultView;//

  GridView1.DataBind();

  // DataToExcel("测试的cxcel", GridView1);

  myConnection.Close();//关闭数据库连接

  }

  public void DataToExcel(string fileName, GridView myGridView)

  {

  //定义文档类型、字符编码

  Response.Clear();

  Response.Buffer = false;

  //Response.Charset = "utf-8";

  Response.Charset = "GB2312";

  //下面这行很重要, attachment 参数表示作为附件下载,您可以改成 online在线打开

  //filename=FileFlow.xls 指定输出文件的名称,注意其扩展名和指定文件类型相符,可以为:.doc || .xls || .txt ||.htm

  Response.AppendHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8) + ".xls");

  Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");

  //Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");

  //Response.ContentType指定文件类型 可以为application/ms-excel || application/ms-word || application/ms-txt || application/ms-html || 或其他浏览器可直接支持文档

  Response.ContentType = "application/ms-excel";

  this.EnableViewState = false;

  //System.Globalization.CultureInfo myCItrad = new System.Globalization.CultureInfo("ZH-CN", true);

  //定义一个输入流

  System.IO.StringWriter oStringWriter = new System.IO.StringWriter();

  System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);

  //将目标数据绑定到输入流输出

  myGridView.RenderControl(oHtmlTextWriter);

  Response.Write(oStringWriter.ToString());

  Response.End();

  }

  //下面这个空语句一定要加,否则会出现“必须放在具有 runat=server 的窗体标记内。”的错误

  public override void VerifyRenderingInServerForm(Control control)

  {

  }

  //点击事件,生成excel

  protected void Button1_Click(object sender, EventArgs e)

  {

  DataToExcel("测试的cxcel", GridView1);

  }

  }