//datatable匯出excel
private static void gridtoexcelbynpoi(datatable dt, string strexcelfilename)
icellstyle cellstyle = workbook.createcellstyle();
//為避免日期格式被excel自動替換，所以設定 format 為 『@』 表示一率當成text來看
cellstyle.dataformat = hssfdataformat.getbuiltinformat("@");
cellstyle.borderbottom = npoi.ss.usermodel.borderstyle.thin;
cellstyle.borderleft = npoi.ss.usermodel.borderstyle.thin;
cellstyle.borderright = npoi.ss.usermodel.borderstyle.thin;
cellstyle.bordertop = npoi.ss.usermodel.borderstyle.thin;
npoi.ss.usermodel.ifont cellfont = workbook.createfont();
cellfont.boldweight = (short)fontboldweight.normal;
cellstyle.setfont(cellfont);
//建立內容行
int irowindex = 1;
int icellindex = 0;
foreach (datarow rowitem in dt.rows)
icellindex = 0;
irowindex++;
}//自適應列寬度
for (int i = 0; i < icolindex; i++)
//寫excel
filestream file = new filestream(strexcelfilename, filemode.openorcreate);
workbook.write(file);
file.flush();
file.close();
messagebox.show(m_common_resourcemanager.getstring("export_to_excel_successfully"), m_common_resourcemanager.getstring("information"), messageboxbuttons.ok, messageboxicon.information);
}catch (exception ex)
finally
///
/// excel檔案導成datatable
///
/// excel檔案目錄位址
/// datatable表名
/// excel sheet index
///
public static datatable xlstodatatable(string strfilepath, string strtablename,int isheetindex)
if (strextname.equals(".xls") || strextname.equals(".xlsx"))
//寫入內容
system.collections.ienumerator rows = sheet.getrowenumerator();
while(rows.movenext())
datarow dr = dt.newrow();
foreach (icell item in row.cells)
else
break;
case celltype.string:
string str = item.stringcellvalue;
if (!string.isnullorempty(str))
else
break;
case celltype.unknown:
case celltype.blank:
default:
dr[item.columnindex] = string.empty;
break;
}break;
case celltype.numeric:
if (dateutil.iscelldateformatted(item))
else
break;
case celltype.string:
string strvalue = item.stringcellvalue;
if (string.isnullorempty(strvalue))
else
break;
case celltype.unknown:
case celltype.blank:
default:
dr[item.columnindex] = string.empty;
break;}}
dt.rows.add(dr);}}
}return dt;
}
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