但只要稍做修改就可以实现在asp.net2.0中使用GridView的RenderContro将GridView中数据l转换成EXCEL文件的功能了。
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<!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"> </asp:GridView> <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="输出" Width="71px" /> </div> </form></body></html>protected void Page_Load(object sender, EventArgs e) {
// 在此处放置用户代码以初始化页面 if (!Page.IsPostBack) BindData();
} /// <summary> /// 创建数据源 /// </summary> /// <returns>DataView</returns> ICollection CreateDataSource() { DataTable dt = new DataTable(); DataRow dr; dt.Columns.Add(new DataColumn("身份证号码", typeof(string))); dt.Columns.Add(new DataColumn("图书单价", typeof(decimal))); dt.Columns.Add(new DataColumn("购买数量", typeof(Int32))); dt.Columns.Add(new DataColumn("总价格", typeof(decimal))); for (int i = 0; i < 30; i++)
{
dr = dt.NewRow(); dr[0] = "123456789123456789"; dr[1] = 100 * i / 3.0; dr[2] = i + 5; dr[3] = (decimal)dr[1] * (Int32)dr[2]; dt.Rows.Add(dr);
} DataView dv = new DataView(dt); return dv; } private void BindData() { GridView1.DataSource = CreateDataSource(); GridView1.DataBind(); } protected void Button1_Click(object sender, EventArgs e) { Response.Clear(); Response.AddHeader("content-disposition", "attachment;filename=FileName.xls"); Response.Charset = "gb2312"; Response.ContentType = "application/vnd.xls"; System.IO.StringWriter stringWrite = new System.IO.StringWriter(); System.Web.UI.HtmlTextWriter htmlWrite = new HtmlTextWriter(stringWrite); GridView1.AllowPaging = false; BindData(); GridView1.RenderControl(htmlWrite); Response.Write(stringWrite.ToString()); Response.End(); GridView1.AllowPaging = true; BindData(); } public override void VerifyRenderingInServerForm(Control control) { // Confirms that an HtmlForm control is rendered for } protected void paging(object sender, GridViewPageEventArgs e) { GridView1.PageIndex = e.NewPageIndex; BindData(); }