頁面上加入一個button即可.
源代碼如下:

using?System;
using?System.Collections;
using?System.ComponentModel;
using?System.Data;
using?System.Drawing;
using?System.Web;
using?System.Web.SessionState;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.HtmlControls;
using?Microsoft.Office.Interop.Excel;

namespace?Test
{
????/**////?<summary>
????///?TestExcel?的摘要說明。
????///?</summary>
????public?class?TestExcel?:?System.Web.UI.Page
????{
????????protected?System.Web.UI.WebControls.Button?Button1;
????
????????private?void?Page_Load(object?sender,?System.EventArgs?e)
????????{
????????????
????????}

????????Web?窗體設計器生成的代碼#region?Web?窗體設計器生成的代碼
????????override?protected?void?OnInit(EventArgs?e)
????????{
????????????//
????????????//?CODEGEN:?該調用是?ASP.NET?Web?窗體設計器所必需的。
????????????//
????????????InitializeComponent();
????????????base.OnInit(e);
????????}
????????
????????/**////?<summary>
????????///?設計器支持所需的方法?-?不要使用代碼編輯器修改
????????///?此方法的內容。
????????///?</summary>
????????private?void?InitializeComponent()
????????{????
????????????this.Button1.Click?+=?new?System.EventHandler(this.Button1_Click);
????????????this.Load?+=?new?System.EventHandler(this.Page_Load);

????????}
????????#endregion

????????private?void?Button1_Click(object?sender,?System.EventArgs?e)
????????{
????????????try
????????????{
????????????????string?DownloadPath=Server.MapPath(".");????//副本的文件夾路徑。
????????????????//副本的文件名。
????????????????string?TempFileName?=?DateTime.Now.ToString("yyyyMMdd")?+?DateTime.Now.Hour?+?DateTime.Now.Minute?+?DateTime.Now.Second?+?".XLS";?
????????????????this.txtTempFileName.Text=TempFileName;
????????????????object?missing?=?System.Reflection.Missing.Value;
????????????????object?missing2?=?System.Reflection.Missing.Value;
????????????????ApplicationClass?myExcel=new?ApplicationClass();

????????????????Workbook?myBook=(Workbook)myExcel.Workbooks.Add(missing);
????????????????Worksheet?curSheet?=?(Worksheet)myBook.Sheets[1];
????????????????//設置Excel樣式
????????????????Range?r1=(Range)myExcel.Cells[1,2];

????????????????Range?r2=(Range)myExcel.Cells[3,4];

????????????????r1.Font.Bold=true;
????????????????r2.Font.Bold=true;


????????????????string?DownloadFilePath=DownloadPath+"\\"+TempFileName;

?????????????????System.Data.DataTable?dt=this.GetTable();
????????????????int?rc=dt.Rows.Count;
????????????????//繪制邊框
????????????????Range?rBorders=(Range)curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7+rc+1,10]);
????????????????rBorders.Borders.LineStyle=1;
????????????????curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7+rc+1,1]).Borders[XlBordersIndex.xlEdgeLeft].Weight?=?XlBorderWeight.xlThick;//設置左邊線加粗
????????????????curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[7,10]).Borders[XlBordersIndex.xlEdgeTop].Weight?=?XlBorderWeight.xlThick;//設置設置上邊線加粗
????????????????curSheet.get_Range(myExcel.Cells[7+rc+1,1],myExcel.Cells[7+rc+1,10]).Borders[XlBordersIndex.xlEdgeBottom].Weight?=?XlBorderWeight.xlThick;//設置下邊線加粗
????????????????curSheet.get_Range(myExcel.Cells[7,10],myExcel.Cells[7+rc+1,10]).Borders[XlBordersIndex.xlEdgeRight].Weight?=?XlBorderWeight.xlThick;//設置右邊線加粗



????????????????//Excel的表頭信息
????????????????myExcel.Cells[1,2]="表頭信息";

????????????????myExcel.Cells[2,2]="New?Added:"?+?DateTime.Now.ToString();
????????????????myExcel.Cells[3,4]="VENDOR??CODE??LIST??-??BY??PRODUCTS.";
????????????????myExcel.Cells[4,4]="****************************************";

????????????????myExcel.Cells[5,9]="DATE?From:"?+?DateTime.Now.ToString();
????????????????myExcel.Cells[6,9]="DATE?To:"?+?DateTime.Now.ToString();

????????????????myExcel.Cells[7,5]="PARTS?SUPPLIER";

????????????????//設置Excel表列頭
????????????????myExcel.Cells[8,1]="Item";
????????????????myExcel.Cells[8,2]="OrgCode";
????????????????myExcel.Cells[8,3]="VendorCode";
????????????????myExcel.Cells[8,4]="VendorName";
????????????????myExcel.Cells[8,5]="A";
????????????????myExcel.Cells[8,6]="B";
????????????????myExcel.Cells[8,7]="C";
????????????????myExcel.Cells[8,8]="PayMentType";
????????????????myExcel.Cells[8,9]="TermsCode";
????????????????myExcel.Cells[8,10]="CreateTime";
????????????????//設置表頭字體風格
????????????????curSheet.get_Range(myExcel.Cells[7,1],myExcel.Cells[8,10]).Font.Bold=true;
????????????????int?j=1;//j為總結的Item數目的變量
????????????????int?i=9;
????????????????while?(i-8<=dt.Rows.Count)
????????????????{
????????????????????myExcel.Cells[i,1]=j.ToString();
????????????????????myExcel.Cells[i,2]=dt.Rows[i-9]["Name"].ToString().Trim();
????????????????????myExcel.Cells[i,3]=dt.Rows[i-9]["cost"].ToString().Trim();
????????????????????myExcel.Cells[i,4]=dt.Rows[i-9]["bug"].ToString().Trim();
????????????????????myExcel.Cells[i,5]="";
????????????????????myExcel.Cells[i,6]="";
????????????????????myExcel.Cells[i,7]="";
????????????????????
????????????????????//設置顏色，否則日期顯示成"######"格式。
????????????????????Range?rCol10=(Range)myExcel.Cells[i,10];
????????????????????rCol10=null;
????????????????????//從1開始循環
????????????????????j++;
????????????????????i++;
????????????????}?

????????????????myBook.Saved=true;
????????????????myBook.SaveAs(DownloadFilePath,missing2,"","",false,false,XlSaveAsAccessMode.xlNoChange,1,false,missing,missing,missing);

????????????????myBook.Close(false,?null,null);
????????????????myExcel.Quit();
????????????????System.Runtime.InteropServices.Marshal.ReleaseComObject(myBook);
????????????????System.Runtime.InteropServices.Marshal.ReleaseComObject(myExcel);
????????????????myBook?=?null;
????????????????myExcel?=?null;
????????????????GC.Collect();
????????????????//下載文件
????????????????HttpResponse?response?=?HttpContext.Current.Response;?
????????????????response.Clear();
????????????????response.WriteFile(DownloadFilePath);
????????????????string?httpHeader="attachment;filename=backup.Xls";
????????????????response.AppendHeader("Content-Disposition",?httpHeader);
????????????????response.Flush();
????????????????//刪除臨時文件
????????????????System.IO.File.Delete(DownloadFilePath);
????????????????
????????????????killExcelProcess();
????????????}
????????????catch(Exception?Ex)
????????????{
????????????????throw?Ex;
????????????}
????????}
????????/**////?<summary>
????????///?刪除Excel進程
????????///?</summary>
????????private?void??killExcelProcess(){
????????????//結束?Excel?進程
????????????foreach(System.Diagnostics.Process?xlProcess?in?System.Diagnostics.Process.GetProcesses()){
????????????????if(?xlProcess.ProcessName.ToUpper().Equals("EXCEL"))?{
????????????????????//結束?excel?進程?
????????????????????xlProcess.Kill();
????????????????}
????????????}
????????????????
????????}
????????/**////?<summary>
????????///?構建臨時DataTable
????????///?</summary>
????????///?<returns></returns>
????????private?System.Data.DataTable?GetTable()
????????{
????????????System.Data.DataTable?dt?=?new?System.Data.DataTable();
????????????dt.Columns.Add("Name");
????????????dt.Columns.Add("cost");
????????????dt.Columns.Add("bug");
????????????DataRow?rw?=?dt.NewRow();
????????????rw["Name"]=?"梁";
????????????rw["Cost"]=?"12";
????????????rw["bug"]=?"5";
????????????dt.Rows.Add(rw);
????????????rw?=?dt.NewRow();
????????????rw["Name"]=?"李";
????????????rw["Cost"]=?"15";
????????????rw["bug"]=?"2";
????????????dt.Rows.Add(rw);
????????????rw?=?dt.NewRow();
????????????rw["Name"]=?"王";
????????????rw["Cost"]=?"8";
????????????rw["bug"]=?"1";
????????????dt.Rows.Add(rw);
????????????return?dt;
????????}
????}
}

?

轉載于:https://www.cnblogs.com/echo/archive/2005/05/24/161461.html

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