操作圖
![](https://img.laitimes.com/img/__Qf2AjLwojIjJCLyojI0JCLicGcq5CN4MzMfNTM0UzM4czMzEzLcRjMvwVNwITMwIzLcNHZh9GbwV3LcRXZu5ibkN3YukXbvw1LcpDc0RHaiojIsJye.jpg)
excelwrapper
/// <summary>
/// 查詢excel電子表格添加到dataset
/// </summary>
/// <param name="filenameurl">檔案路徑</param>
/// <param name="table">dataset中的表名(并不是要和資料庫中的表一樣)</param>
/// <returns></returns>
public static dataset execleds(string filenameurl, string table)
{
string strconn = "provider=microsoft.jet.oledb.4.0;"
+ "data source=" + filenameurl + ";extended properties='excel 8.0; hdr=yes; imex=1'";
oledbconnection conn = new oledbconnection(strconn);
conn.open();
dataset ds = new dataset();
oledbdataadapter odda = new oledbdataadapter("select * from [sheet1$]", conn);
odda.fill(ds, table);
return ds;
}
.cs
// 送出按鈕
protected void imgbtnsubmit_click(object sender, imageclickeventargs e)
try
{
if (!fileupload1.hasfile)
{
jshelper.alert("請您選擇excel檔案", this);
return;
}
// 取得檔案字尾名
string extension = system.io.path.getextension(fileupload1.filename).tostring().tolower();
if (extension != ".xls" && extension != ".xlsx")
jshelper.alert("隻可以選擇excel檔案", this);
// 構造exel存在伺服器相對路徑的檔案名,并saveas 将上傳的檔案内容儲存在伺服器上
string filename = datetime.now.tostring("yyyymmddhhmmss") + fileupload1.filename;
string savepath = server.mappath(("~\\upfiles\\") + filename);
fileupload1.saveas(savepath);
dataset ds = excelwrapper.execleds(savepath, filename);
datarow[] dr = ds.tables[0].select();
int rowsnum = ds.tables[0].rows.count;
list<string> lstmsg = new list<string>();
if (rowsnum == 0)
jshelper.alert("excel表為空表,無資料", this);
else
for (int i = 0; i < dr.length; i++)
{
string error = "";
// excel列名不能變
string num = dr[i]["學号"].tostring();
string name = dr[i]["姓名"].tostring();
string pwd = dr[i]["密碼"].tostring();
string collegenum = dr[i]["學院編号"].tostring();
string birth = dr[i]["生日"].tostring();
if (!bll.m_collegebll.getallcollegenum().contains(collegenum))
{
error += "所屬學院不存&nbsp;";
}
if (string.isnullorempty(collegenum))
error += "請選擇該學生所在院系&nbsp;";
if (string.isnullorempty(num))
error += "學号不能為空&nbsp;";
else if (!utility.isletterthansomelength(num, 25))
error += "學号的長度過長&nbsp;";
if (string.isnullorempty(name))
error += "姓名不能為空&nbsp;";
else if (!utility.isletterthansomelength(name, 25))
error += "姓名的長度過長&nbsp;";
if (string.isnullorempty(birth))
error += "出生日期不能為空&nbsp;";
else if (!utility.isdatetime(birth))
error += "出生日期格式不正确&nbsp;";
if (string.isnullorempty(sex))
error += "性别不能為空&nbsp;";
if (string.isnullorempty(error))
m_student stu = new m_student();
stu.num = num;
stu.name = name;
stu.pwd = pwd;
stu.collegenum = collegenum;
stu.birthday = convert.todatetime(birth);
// 該學号不存在
if (!bll.m_studentbll.getallstunum().contains(num))
{
bll.m_studentbll.add(stu);
}
else
bll.m_studentbll.modify(stu);
else
lstmsg.add("學号為" + num + "未導入成功," + "原因:" + error + "。");
}
this.lblhint.text = "導入完成。";
if (null != lstmsg)
this.lblhint.text += "共有" + lstmsg.count() + "條記錄未成功。<br /><br />";
foreach (string s in lstmsg)
this.lblhint.text += s;
}
catch
this.lblhint.text = "程式出錯,請您檢查需要導入的表!";
效果圖