asp.net导出至excel文件的问题求解【急】
求导出至excel文件的各种方法方式
代码写的方法，就把方法源码发下。
插件的，就麻烦告诉下插件名啥的。。
急用。。
急急急急急急急急。。。。。。。。。
[解决办法]
<%@ Page Language="C#" %>
<script runat="server">
protected void Page_Load(object sender, EventArgs e)
{
// 下面采用的是DataTable，也可以采用DataSet，其中每个DataTable可以保存成一个 Sheet
// 迅雷下载时可以在下载完毕后会自动把文件名更新成 xls 或者 xml 的。
System.Data.DataTable dt = new System.Data.DataTable();
if (!Page.IsPostBack)
{
System.Data.DataRow dr;
dt.Columns.Add(new System.Data.DataColumn("学生班级", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("学生姓名", typeof(System.String)));
dt.Columns.Add(new System.Data.DataColumn("语文", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("数学", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("英语", typeof(System.Decimal)));
dt.Columns.Add(new System.Data.DataColumn("计算机", typeof(System.Decimal)));
System.Random rd = new System.Random();
for (int i = 0; i < 88; i++)
{
dr = dt.NewRow();
dr[0] = "班级" + i.ToString();
dr[1] = "【孟子E章】" + i.ToString();
dr[2] = System.Math.Round(rd.NextDouble() * 100, 0);
dr[3] = System.Math.Round(rd.NextDouble() * 100, 0);
dr[4] = System.Math.Round(rd.NextDouble() * 100, 0);
dr[5] = System.Math.Round(rd.NextDouble() * 100, 0);
dt.Rows.Add(dr);
}
}
//假如每10条数据放在一个 Sheet 里面，先计算需要多少个 Sheet
int ItenCountPerSheet = 10;
int SheetCount = Convert.ToInt32(Math.Ceiling((double)dt.Rows.Count / ItenCountPerSheet));
Response.ClearContent();
Response.BufferOutput = true;
Response.Charset = "utf-8";
Response.ContentType = "application/ms-excel";
Response.AddHeader("Content-Transfer-Encoding", "binary");
Response.ContentEncoding = System.Text.Encoding.UTF8;
//Response.AppendHeader("Content-Disposition", "attachment;filename="+Server.UrlEncode("孟宪会Excel表格测试")+".xls");
// 采用下面的格式，将兼容 Excel 2003,Excel 2007, Excel 2010。
String FileName = "孟宪会Excel表格测试";
if (!String.IsNullOrEmpty(Request.UserAgent))
{
// firefox 里面文件名无需编码。
if (!(Request.UserAgent.IndexOf("Firefox") > -1 && Request.UserAgent.IndexOf("Gecko") > -1))
{
FileName = Server.UrlEncode(FileName);
}
}
Response.AppendHeader("Content-Disposition", "attachment;filename=" + FileName + ".xml");
Response.Write("<?xml version='1.0'?><?mso-application progid='Excel.Sheet'?>");
Response.Write(@"<Workbook xmlns='urn:schemas-microsoft-com:office:spreadsheet'
xmlns:o='urn:schemas-microsoft-com:office:office' xmlns:x='urn:schemas-microsoft-com:office:excel'
xmlns:ss='urn:schemas-microsoft-com:office:spreadsheet' xmlns:html='http://www.w3.org/TR/REC-html40'>");
Response.Write(@"<DocumentProperties xmlns='urn:schemas-microsoft-com:office:office'>");
Response.Write(@"<Author>孟宪会</Author><LastAuthor>孟子E章</LastAuthor>
<Created>2010-09-08T14:07:11Z</Created><Company>mxh</Company><Version>1990</Version>");
Response.Write("</DocumentProperties>");
Response.Write(@"<Styles><Style ss:ID='Default' ss:Name='Normal'><Alignment ss:Vertical='Center'/>
<Borders/><Font ss:FontName='宋体' x:CharSet='134' ss:Size='12'/><Interior/><NumberFormat/><Protection/></Style>");
//定义标题样式
Response.Write(@"<Style ss:ID='Header'><Borders><Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/></Borders>
<Font ss:FontName='宋体' x:CharSet='134' ss:Size='18' ss:Color='#FF0000' ss:Bold='1'/></Style>");
//定义边框
Response.Write(@"<Style ss:ID='border'><NumberFormat ss:Format='@'/><Borders>
<Border ss:Position='Bottom' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Left' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Right' ss:LineStyle='Continuous' ss:Weight='1'/>
<Border ss:Position='Top' ss:LineStyle='Continuous' ss:Weight='1'/></Borders></Style>");
Response.Write("</Styles>");
//SheetCount代表生成的 Sheet 数目。
for (int i = 0; i < SheetCount; i++)
{
//计算该 Sheet 中的数据起始行和结束行。
int start = ItenCountPerSheet * i;
int end = ItenCountPerSheet * (i + 1);
if (end > dt.Rows.Count) end = dt.Rows.Count;
Response.Write("<Worksheet ss:Name='Sheet" + (i + 1) + "'>");
Response.Write("<Table x:FullColumns='1' x:FullRows='1'>");
//输出标题
Response.Write("\r\n<Row ss:AutoFitHeight='1'>");
for (int j = 0; j < dt.Columns.Count; j++)
{
Response.Write("<Cell ss:StyleID='Header'><Data ss:Type='String'>" + dt.Columns[j].ColumnName + "</Data></Cell>");
}
Response.Write("\r\n</Row>");
for (int j = start; j < end; j++)
{
Response.Write("<Row>");
for (int c = 0; c < 6; c++)
{
//对于数字，采用Number数字类型
if (c > 1)
{
Response.Write("<Cell ss:StyleID='border'><Data ss:Type='Number'>" + dt.Rows[j][c].ToString() + "</Data></Cell>");
}
else
{
Response.Write("<Cell ss:StyleID='border'><Data ss:Type='String'>" + dt.Rows[j][c].ToString() + "</Data></Cell>");
}
}
Response.Write("</Row>");
}
Response.Write("</Table>");
Response.Write("</Worksheet>");
Response.Flush();
}
Response.Write("</Workbook>");
Response.End();
}
</script>
[解决办法]
//string strCon = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + fileName + ";Extended Properties='Excel 8.0;HDR=NO;IMEX=1';";
string strCon = " Provider = Microsoft.ACE.OLEDB.12.0; Data Source ="+ fileName +";Extended Properties=\"Excel 12.0;HDR=NO;IMEX=1\";Persist Security Info=False";
//string strCon = " Provider = Microsoft.Jet.OLEDB.4.0 ; Data Source = " + fileName +";Extended Properties=Excel 8.0;Persist Security Info=False";
OleDbConnection myConn = new OleDbConnection(strCon);
int start = fileName.LastIndexOf("\\");
int end = fileName.LastIndexOf('.');
myConn.Open();
System.Data.DataTable schemaTable = myConn.GetOleDbSchemaTable(System.Data.OleDb.OleDbSchemaGuid.Tables, new object[] { null, null,null, "TABLE" });
string tableName = schemaTable.Rows[0][2].ToString().Trim();
string strCom = "SELECT * FROM ["+ tableName +"]";
OleDbDataAdapter myCommand = new OleDbDataAdapter(strCom, myConn);
DataSet myDataSet = new DataSet();
myCommand.Fill(myDataSet, "TABLE");
myConn.Close();
return myDataSet;