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public void CreateExcel(DataSet ds, string typeid, string FileName)
{
HttpResponse resp;
resp = Page.Response;
resp.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
//resp.ContentEncoding = System.Text.Encoding.GetEncoding("BIG5");
resp.AppendHeader("Content-Disposition", "attachment;filename=" + FileName);
string colHeaders = "", ls_item = "";
int i = 0;
//定义表对象与行对像,同时用DataSet对其值进行初始化
DataTable dt = ds.Tables[0];
DataRow[] myRow = dt.Select("");
// typeid=="1"时导出为Excel格式文件;typeid=="2"时导出为XML格式文件
if (typeid == "1")
{
//取得数据表各列标题,各标题之间以\t分割,最后一个列标题后加回车符
for (i = 0; i < dt.Columns.Count - 1; i++)
{
colHeaders += dt.Columns[i].Caption.ToString() + "\t";
//colHeaders +=dt.Columns[i].Caption.ToString() +"\n";
}
colHeaders += dt.Columns[i].Caption.ToString() + "\n";
//向HTTP输出流中写入取得的数据信息
resp.Write(colHeaders);
//逐行处理数据
foreach (DataRow row in myRow)
{
//在当前行中,逐列获得数据,数据之间以\t分割,结束时加回车符\n
for (i = 0; i < dt.Columns.Count - 1; i++)
{
ls_item += row[i].ToString() + "\t";
//ls_item += row[i].ToString() +"\n";
}
ls_item += row[i].ToString() + "\n";
//当前行数据写入HTTP输出流,并且置空ls_item以便下行数据
resp.Write(ls_item);
ls_item = "";
}
}
else
{
if (typeid == "2")
{
//从DataSet中直接导出XML数据并且写到HTTP输出流中
resp.Write(ds.GetXml());
}
}
//写缓冲区中的数据到HTTP头文件中
resp.End();
}
object missing = Missing.Value;
ApplicationClass excel;
_Workbook xBk;
_Worksheet xSt;
excel = new ApplicationClass();
xBk = excel.Workbooks.Open(Server.MapPath("aa.xlsx"), missing, missing, missing, missing, missing,
missing, missing, missing, missing, missing, missing, missing, missing, false);
xSt = (_Worksheet)xBk.ActiveSheet
excel.Cells[5, 1] ="aaaa"; //第5行第1列的内容等于aa
protected void btnOK_Click(object sender, EventArgs e)
{
Response.Clear();
Response.Buffer = true;
Response.Charset = "GB2312";
Response.AppendHeader("Content-Disposition", "attachment;filename=" + Server.UrlEncode(DateTime.Now.ToString("yyyyMMddhhmmss") + ".xls"));
//Response.ContentEncoding = System.Text.Encoding.GetEncoding("Unicode");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("UTF-8");
Response.ContentType = "application/ms-excel";
this.EnableViewState = false;
System.IO.StringWriter oStringWriter = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter);
ejiaA1.Columns[0].Visible = false;
ejiaA1.RenderControl(oHtmlTextWriter);
Response.Output.Write(oStringWriter.ToString());
Response.Flush();
Response.End();
}
public override void VerifyRenderingInServerForm(Control control)
{
}