using?Spire.Xls;
using?Spire.Xls.Core;
using?System;
using?System.Collections.Generic;
using?System.ComponentModel;
using?System.Data;
using?System.Data.OleDb;
using?System.Drawing;
using?System.Linq;
using?System.Text;
using?System.Threading.Tasks;
using?System.Windows.Forms;
using?XlstoXlsx;

namespace?WindowsFormsApplication1
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{

????????????Workbook?workbook?=?new?Workbook（）;
????????????workbook.LoadFromFile（textBox1.Text）;
????????????workbook.SaveToFile（“90.xlsx“?ExcelVersion.Version97to2003）;


????????????//?????XlstoXlsx.Class1?get?=?new?XlstoXlsx.Class1（）;

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????..A..H.?????44544??2018-10-12?10:01??WindowsFormsApplication1\.vs\WindowsFormsApplication1\v14\.suo

?????文件????????189??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\App.config

?????文件??????52736??2019-03-05?13:52??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\90.xlsx

?????文件????8007680??2008-04-22?00:07??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Microsoft.mshtml.dll

?????文件??????55808??2019-03-05?13:47??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Spire.License.dll

?????文件???15364096??2019-03-05?13:47??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Spire.Pdf.dll

?????文件????9808896??2019-03-05?13:47??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\Spire.XLS.dll

?????文件???????9216??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe

?????文件????????189??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config

?????文件??????19968??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb

?????文件??????22696??2019-03-05?13:52??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe

?????文件????????189??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.config

?????文件????????490??2017-09-29?21:43??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest

?????文件???????9216??2018-10-12?09:56??WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\XlstoXlsx.dll

?????文件????????886??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs

?????文件???????2533??2019-03-05?13:18??WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs

?????文件???????5817??2019-03-05?13:18??WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx

?????文件????????868??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferences.cache

?????文件???????7467??2019-03-05?13:47??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache

?????文件??????????0??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs

?????文件??????????0??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs

?????文件??????????0??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs

?????文件???????3247??2019-03-05?13:52??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.FileListAbsolute.txt

?????文件???????1012??2019-03-05?13:18??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csproj.GenerateResource.Cache

?????文件??????26173??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.csprojResolveAssemblyReference.cache

?????文件???????9216??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.exe

?????文件????????180??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Form1.resources

?????文件??????19968??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.pdb

?????文件????????180??2019-03-05?13:50??WindowsFormsApplication1\WindowsFormsApplication1\obj\Debug\WindowsFormsApplication1.Properties.Resources.resources

?????文件????????536??2018-10-12?09:57??WindowsFormsApplication1\WindowsFormsApplication1\Program.cs

............此處省略21個文件信息