轉 SQL與EXCEL互動 匯出 匯入

sql與excel互動(匯出/匯入)

exce->sql

//方案一： 通過oledb方式獲取excel檔案的資料，然後通過dataset中轉到sql server

openfiledialog = new openfiledialog();

openfiledialog.filter = "excel files(*.xls)|*.xls";

if(openfiledialog.showdialog()==dialogresult.ok)

console.writeline("新插入 " + datatable1.rows.count.tostring() + " 條記錄");

sqlda1.update(datatable1);

oledbconnection.close(); }

catch(exception ex)

} //方案二： 直接通過sql語句執行sql server的功能函式將excel檔案轉換到sql server資料庫

openfiledialog openfiledialog = new openfiledialog();

openfiledialog.filter = "excel files(*.xls)|*.xls";

sqlconnection sqlconnection1 = null;

if(openfiledialog.showdialog()==dialogresult.ok)

catch(exception ex)

} if(sqlconnection1!=null)

//方案三： 通過到入excel的vba dll，通過vba介面獲取excel資料到dataset

openfiledialog openfile = new openfiledialog();

openfile.filter = "excel files(*.xls)|*.xls";

excelio excelio = new excelio();

if(openfile.showdialog()==dialogresult.ok)

object temp = new object[y];

for(int i=1; i<=x; i++)

dr.itemarray = temp;

ds.tables[0].rows.add(dr); }

datagrid1.setdatabinding(ds,"xlstable");

if(excelio!=null)

excelio.close(); }

sql->excel

public class opexcel

public bool writdatasettoexcel(dataset ds,string excelpath,progressbar pb)

{if(ds==null)return false;

int row=ds.tables [0].rows .count ;

int col=ds.tables [0].columns .count ;

if(row <1 || col<1)return false;

pb.minimum =0;pb.maximum =row;pb.value =0;

try{        

excel.workbooks.add (type.missing );

excel.worksheet sheet=(excel.worksheet)excel.activesheet;

for(int i=0;i

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