打开一个Excel模板文件填充数据另存为一个文件

string strFileName = Environment.CurrentDirectory+
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string strFileName = 
Environment.CurrentDirectory+@"/template/template.tpl";

    string strSaveFileName = 
Environment.CurrentDirectory+@"/excel/"+System.DateTime.Now.ToString().Replace(":","").Replace("-","").Replace(" ","")+@".xls";

    Excel.Application ThisApplication = new Excel.ApplicationClass(); 

    Excel.Workbook ThisWorkBook; 

    object missing = System.Reflection.Missing.Value; 

    try 

    { 

     //加载Excel模板文件

     ThisWorkBook = ThisApplication.Workbooks.Open(strFileName,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing); 

     Excel.Worksheet ThisSheet = (Excel.Worksheet)ThisWorkBook.Sheets[1]; 

     ThisSheet.Cells[7,1] = dtEnd.ToShortDateString();

     progressBar.Value = 30;

     ThisApplication.Visible = false;

     DataRow dr = dt.Rows[0];

     for( int i=0; i<dt.Columns.Count;i++)

     {

      ThisSheet.Cells[7,i+2] = dr[i].ToString();

      progressBar.Value +=1;

     }

     //更新数据后另存为新文件

     ThisSheet.SaveAs(strSaveFileName,missing,missing,missing,missing,missing,missing,missing,missing);

    } 

    catch{} 

    finally 

    { 

     ThisApplication.Quit(); 

     ThisWorkBook = null; 

     ThisApplication = null; 

     //dt = null;

    } 

    try

    { //打开刚才生成的Excel文件

     Excel.Workbook NewWorkBook; 

     NewWorkBook = NewApplication.Workbooks.Open(strSaveFileName,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing,missing); 

     Excel.Worksheet NewSheet = (Excel.Worksheet)NewWorkBook.Sheets[1]; 

     NewApplication.Visible = true;

//也可以使用System.Diagnostics.Process.Start(strSaveFileName);来打开新文件

    }

 

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