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基于Mysql數(shù)據(jù)庫的C#實現(xiàn)簡單的登錄注冊功能

代碼片段和文件信息
/*
using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?Excel?=?Microsoft.Office.Interop.Excel;
namespace?test01
{
????class?Account
????{
????????public?int?ID?{?get;?set;?}
????????public?double?Balance?{?get;?set;?}
????????static?void?DisplayInExcel(IEnumerable?accounts)
????????{
????????????var?excelApp?=?new?Excel.Application();
????????????//?Make?the?object?visible.
????????????excelApp.Visible?=?true;
????????????//?Create?a?new?empty?workbook?and?add?it?to?the?collection?returned
????????????//?by?property?Workbooks.?The?new?workbook?becomes?the?active?workbook.
????????????//?Add?has?an?optional?parameter?for?specifying?a?praticular?template.
????????????//?Because?no?argument?is?sent?in?this?example?Add?creates?a?new?workbook.
????????????excelApp.Workbooks.Add();
????????????//?This?example?uses?a?single?workSheet.?The?explicit?type?casting?is
????????????//?removed?in?a?later?procedure.
????????????Excel._Worksheet?workSheet?=?(Excel.Worksheet)excelApp.ActiveSheet;
????????????workSheet.Cells[1?“A“]?=?“ID?Number“;
????????????workSheet.Cells[1?“B“]?=?“Current?Balance“;
????????????var?row?=?1;
????????????foreach?(var?acct?in?accounts)
????????????{
????????????????row++;
????????????????workSheet.Cells[row?“A“]?=?acct.ID;
????????????????workSheet.Cells[row?“B“]?=?acct.Balance;
????????????}
????????????workSheet.Columns[1].AutoFit();
????????????workSheet.Columns[2].AutoFit();
????????}
????}
}
using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?Excel?=?Microsoft.Office.Interop.Excel;
namespace?test01
{
????public?class?Account
????{
????????public?int?ID?{?get;?set;?}
????????public?double?Balance?{?get;?set;?}
????}
????class?Program
????{
????????static?void?DisplayInExcel(IEnumerable?accounts)
????????{
????????????var?excelApp?=?new?Excel.Application();
????????????//?Make?the?object?visible.
????????????excelApp.Visible?=?true;
????????????//?Create?a?new?empty?workbook?and?add?it?to?the?collection?returned
????????????//?by?property?Workbooks.?The?new?workbook?becomes?the?active?workbook.
????????????//?Add?has?an?optional?parameter?for?specifying?a?praticular?template.
????????????//?Because?no?argument?is?sent?in?this?example?Add?creates?a?new?workbook.
????????????excelApp.Workbooks.Add();
????????????//?This?example?uses?a?single?workSheet.?The?explicit?type?casting?is
????????????//?removed?in?a?later?procedure.
????????????Excel._Worksheet?workSheet?=?(Excel.Worksheet)excelApp.ActiveSheet;
????????????workSheet.Cells[1?“A“]?=?“ID?Number“;
????????????workSheet.Cells[1?“B“]?=?“Current?Balance“;
????????????var?row?=?1;
????????????foreach?(var?acct?in?accounts)
????????????{
????????????????row++;
????????????????workSheet.Cells[row?“A“]?=?acct.ID;
????????????????workSheet.Cells[row?“B“]?=?acct.Balance;
????????????}
????????????w
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????4561??2017-07-03?14:48??test01\test01\Account.cs
?????文件????????385??2017-07-04?15:32??test01\test01\app.config
?????文件???????9014??2017-07-03?16:20??test01\test01\bin\Debug\Book1.xlsx
?????文件??????14848??2017-07-05?10:44??test01\test01\bin\Debug\test01.exe
?????文件????????385??2017-07-04?15:32??test01\test01\bin\Debug\test01.exe.config
?????文件??????34304??2017-07-05?10:44??test01\test01\bin\Debug\test01.pdb
?????文件??????11592??2017-07-05?10:55??test01\test01\bin\Debug\test01.vshost.exe
?????文件????????385??2017-07-04?15:32??test01\test01\bin\Debug\test01.vshost.exe.config
?????文件????????490??2015-07-10?19:01??test01\test01\bin\Debug\test01.vshost.exe.manifest
????..A.SH.???????165??2017-07-04?10:35??test01\test01\bin\Debug\~$Book1.xlsx
?????文件???????5249??2017-07-05?10:44??test01\test01\Form1.cs
?????文件???????6916??2017-07-05?10:26??test01\test01\Form1.Designer.cs
?????文件???????5817??2017-07-04?21:40??test01\test01\Form1.resx
?????文件???????2458??2017-07-05?10:36??test01\test01\Form2.cs
?????文件???????5648??2017-07-05?09:37??test01\test01\Form2.Designer.cs
?????文件???????5817??2017-07-05?09:37??test01\test01\Form2.resx
?????文件???????5420??2017-07-04?15:03??test01\test01\obj\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件???????6700??2017-07-05?10:44??test01\test01\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件????????647??2017-07-05?10:55??test01\test01\obj\Debug\test01.csproj.FileListAbsolute.txt
?????文件???????1033??2017-07-05?10:02??test01\test01\obj\Debug\test01.csproj.GenerateResource.Cache
?????文件??????34390??2017-07-05?10:02??test01\test01\obj\Debug\test01.csprojResolveAssemblyReference.cache
?????文件??????14848??2017-07-05?10:44??test01\test01\obj\Debug\test01.exe
?????文件????????180??2017-07-05?10:02??test01\test01\obj\Debug\test01.Form1.resources
?????文件????????180??2017-07-05?10:02??test01\test01\obj\Debug\test01.Form2.resources
?????文件??????34304??2017-07-05?10:44??test01\test01\obj\Debug\test01.pdb
?????文件????????180??2017-07-05?10:02??test01\test01\obj\Debug\test01.Properties.Resources.resources
?????文件???????5420??2017-07-03?14:29??test01\test01\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
?????文件???????6418??2017-07-04?14:56??test01\test01\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
?????文件????????947??2017-07-04?15:02??test01\test01\obj\x86\Debug\test01.csproj.FileListAbsolute.txt
?????文件????????975??2017-07-04?15:02??test01\test01\obj\x86\Debug\test01.csproj.GenerateResource.Cache
............此處省略27個文件信息
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