在.NET中excel导出方法汇总(收集)

http://search.csdn.net/Expert/topic/2346/2346423.xml?temp=.3901941
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http://support.microsoft.com/default.aspx?scid=kb;en-us;Q302096
1。

protected void toExcel_Click(object sender,EventArgs e)

{

ToExcel(parentList);

}

private void ToExcel(System.Web.UI.Control ctl)

{

Response.Charset="GB2312";

Response.AppendHeader("Content-Disposition","attachment;filename=Excel.xls");

Response.ContentEncoding = System.Text.Encoding.UTF8;

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

ctl.Page.EnableViewState = false;

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

System.Web.UI.HtmlTextWriter hw = new HtmlTextWriter(tw);

ctl.RenderControl(hw);

Response.Write(tw.ToString());

Response.End();

}

2。导入excel写的太麻烦了，弹出窗口可以！用这个导入

Protected Sub toExcel_Click()Sub toExcel_Click(ByVal sender As Object, ByVal e As ImageClickEventArgs)

ToExcel1(tblResults)

End Sub

Sub ToExcel1()Sub ToExcel1(ByVal ctl As System.Web.UI.Control)

Response.Charset = "GB2312"

Response.AppendHeader("Content-Disposition", "attachment;filename=totalreport.xls")

Response.ContentEncoding = System.Text.Encoding.UTF8

Response.ContentType = "application/ms-excel"

ctl.Page.EnableViewState = False

Dim tw As System.IO.StringWriter = New System.IO.StringWriter()

Dim hw As System.Web.UI.HtmlTextWriter = New HtmlTextWriter(tw)

ctl.RenderControl(hw)

Response.Write(tw.ToString())

Response.End()

End Sub

3.//将数据集导到excel 以 XLS 格式里

private void DataSetToExcelXls(DataSet ds)

{

用例说明#region 用例说明

/**//*

【输入】

sender:

【输出】

无

【流程定义】

1、将生成的DataSet的数据导到指定的Execl文件里，并显示出来

【可选流程】

【问题】

#endregion

Random rd=new Random(int.Parse(DateTime.Now.ToString("MMddhhmmss")));

string strFileName =DateTime.Now.ToString("yyyyMMdd")+DateTime.Now.Hour+DateTime.Now.Minute+DateTime.Now.Second+txtBeginTime.Text.Trim()+txtFinishTime.Text.Trim()+rd.Next(999999).ToString()+ ".XLS";

//Excel.Application excel= new Excel.ApplicationClass();//Excel.Application();

Excel.Application excel ;

//excel = new Excel.Application();

excel = new Excel.ApplicationClass();

Excel.WorkbookClass oWB;

Excel.Worksheet oSheet;

oWB = (Excel.WorkbookClass)(excel.Workbooks.Add(true));

oSheet = (Excel.Worksheet)oWB.ActiveSheet;

oSheet.Cells[1, 1] =lblReportTime.Text; //合并项

oSheet.Cells[2, 1] = lblReportCount.Text;//合并项

oSheet.Cells[4, 1] = "话机号码" ;//合并项

oSheet.Cells[4, 2] = "月份" ;//合并项

oSheet.Cells[3, 3] = "通话总次数（次）";

oSheet.Cells[3, 7] = "通话总时长（分）";

oSheet.Cells[3,11] = "通话总金额（元）";

oSheet.Cells[4, 3] = "国际";

oSheet.Cells[4, 4] = "国内";

oSheet.Cells[4, 5] = "港澳台";

oSheet.Cells[4, 6] = "合计";

oSheet.Cells[4, 7] = "国际";

oSheet.Cells[4, 8] = "国内";

oSheet.Cells[4, 9] = "港澳台";

oSheet.Cells[4,10] = "合计";

oSheet.Cells[4,11] = "国际";

oSheet.Cells[4,12] = "国内";

oSheet.Cells[4,13] = "港澳台";

oSheet.Cells[4,14] = "合计";

oSheet.get_Range("A1","N4").Font.Size= 9 ;

oSheet.get_Range("A1","N4").Font.Bold = true;

oSheet.get_Range("A1","N4").VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;

oSheet.get_Range("A1","N4").HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;

//该范围内设置外面一层边框

oSheet.get_Range("A1","N4").BorderAround(Excel.XlLineStyle.xlContinuous,Excel.XlBorderWeight.xlThin ,Excel.XlColorIndex.xlColorIndexAutomatic,Color.Black.ToArgb()) ;

//该范围内设置里面所有单元格的边框

oSheet.get_Range("A1","N4").Borders.Weight = Excel.XlBorderWeight.xlThin ;

oSheet.get_Range("A1","N4").Borders.Color = Color.Black.ToArgb() ;

//范围内单元格添加背景颜色

oSheet.get_Range("A1","N2").Cells.Interior.Color =Color.FromArgb(153,255,204).ToArgb();

oSheet.get_Range("A1","N2").Cells.Interior.Pattern = Excel.XlBackground.xlBackgroundAutomatic ;

oSheet.get_Range("A3","N4").Cells.Interior.Color = Color.LemonChiffon.ToArgb();

oSheet.get_Range("A3","N4").Cells.Interior.Pattern = Excel.XlBackground.xlBackgroundAutomatic ;

DataTable dt =ds.Tables[0];

DataRow dr;

int count=dt.Rows.Count+5;

string strExcelLength = "N"+count.ToString().Trim();

int I,J;

for(I = 5;I< count;I++)

{

dr=dt.Rows[I-5];

for(J = 1;J<(dt.Columns.Count +1) ;J++)

{

oSheet.Cells[I,J] = dr[J-1].ToString().Trim() ;

}

oSheet.get_Range("A5",strExcelLength).Font.Size= 9 ;

oSheet.get_Range("A5",strExcelLength).Font.Bold = false;

oSheet.get_Range("A5",strExcelLength).VerticalAlignment = Excel.XlVAlign.xlVAlignCenter;

oSheet.get_Range("A5",strExcelLength).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;

//该范围内设置外面一层边框

oSheet.get_Range("A5",strExcelLength).BorderAround(Excel.XlLineStyle.xlContinuous,Excel.XlBorderWeight.xlThin ,Excel.XlColorIndex.xlColorIndexAutomatic,Color.Black.ToArgb()) ;

//该范围内设置里面所有单元格的边框

oSheet.get_Range("A5",strExcelLength).Borders.Weight = Excel.XlBorderWeight.xlThin ;

oSheet.get_Range("A5",strExcelLength).Borders.Color = Color.Black.ToArgb() ;

//范围内单元格添加背景颜色

oSheet.get_Range("A5",strExcelLength).Cells.Interior.Color = Color.PaleTurquoise.ToArgb();

oSheet.get_Range("A5",strExcelLength).Cells.Interior.Pattern = Excel.XlBackground.xlBackgroundAutomatic ;

oSheet.get_Range("A1","N1").Merge(true);

oSheet.get_Range("A2","N2").Merge(true);

oSheet.get_Range("A3","A4").Merge(true);

oSheet.get_Range("B3","B4").Merge(true);

oSheet.get_Range("C3","F3").Merge(true);

oSheet.get_Range("G3","J3").Merge(true);

oSheet.get_Range("K3","N3").Merge(true);

string path=Server.MapPath(".") + "\\..\\..\\excel-file\\" + strFileName;

oWB.SaveAs(path,Missing.Value,"","",true,false,Excel.XlSaveAsAccessMode.xlNoChange,1,false,Missing.Value,Missing.Value);

//oWB.SaveCopyAs(path);

oWB.Close(false,null,null);

excel.Workbooks.Close();

excel.Quit();

System.Runtime.InteropServices.Marshal.ReleaseComObject (excel);

System.Runtime.InteropServices.Marshal.ReleaseComObject (oWB);

System.Runtime.InteropServices.Marshal.ReleaseComObject (oSheet);

oSheet = null;

oWB= null;

excel = null;

GC.Collect();

string test="../../excel-file/" + strFileName;

Response.Redirect(test);

}

转载于:https://www.cnblogs.com/RedStarLiu/archive/2006/03/06/343692.html

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