Asp.net中把Excel数据存储至SQL Server中

操作图

 

 

excelwrapper

        /// <summary>
        /// 查询excel电子表格添加到dataset
        /// </summary>
        /// <param name=”filenameurl”>文件路径</param>
        /// <param name=”table”>dataset中的表名(并不是要和中的表一样)</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

       // 提交按钮
        protected void imgbtnsubmit_click(object sender, imageclickeventargs e)
        {
            try
            {
                if (!fileupload1.hasfile)
                {
                    jshelper.alert(“请您选择excel文件”, this);
                    return;
                }

                // 取得文件后缀名
                string extension = system.io.path.getextension(fileupload1.filename).tostring().tolower();
                if (extension != “.xls” && extension != “.xlsx”)
                {
                    jshelper.alert(“只可以选择excel文件”, this);
                    return;
                }

                //  构造exel存在服务器相对路径的文件名，并saveas 将上传的文件内容保存在服务器上
                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表为空表,无数据”, this);
                }
                else
                {
                    for (int i = 0; i < dr.length; i++)
                    {
                        string error = “”;

                        // excel列名不能变
                        string num = dr[i][“学号”].tostring();
                        string name = dr[i][“姓名”].tostring();
                        string pwd = dr[i][“密码”].tostring();
                        string collegenum = dr[i][“学院编号”].tostring();
                        string birth = dr[i][“生日”].tostring();

                        if (!bll.m_collegebll.getallcollegenum().contains(collegenum))
                        {
                            error += “所属学院不存&nbsp;”;
                        }

                        if (string.isnullorempty(collegenum))
                        {
                            error += “请选择该学生所在院系&nbsp;”;
                        }

                        if (string.isnullorempty(num))
                        {
                            error += “学号不能为空&nbsp;”;
                        }
                        else if (!utility.isletterthansomelength(num, 25))
                        {
                            error += “学号的长度过长&nbsp;”;
                        }

                        if (string.isnullorempty(name))
                        {
                            error += “姓名不能为空&nbsp;”;
                        }
                        else if (!utility.isletterthansomelength(name, 25))
                        {
                            error += “姓名的长度过长&nbsp;”;
                        }

                         if (string.isnullorempty(birth))
                        {
                            error += “出生日期不能为空&nbsp;”;
                        }
                        else if (!utility.isdatetime(birth))
                        {
                            error += “出生日期格式不正确&nbsp;”;
                        }
                        if (string.isnullorempty(sex))
                        {
                            error += “性别不能为空&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);

                            // 该学号不存在
                            if (!bll.m_studentbll.getallstunum().contains(num))
                            {
                                bll.m_studentbll.add(stu);
                            }
                            else
                            {
                                bll.m_studentbll.modify(stu);
                            }
                        }
                        else
                        {
                            lstmsg.add(“学号为” + num + “未导入成功，” + “原因:” + error + “。”);
                        }
                    }
                }
                this.lblhint.text = “导入完成。”;
                if (null != lstmsg)
                {
                    this.lblhint.text += “共有” + lstmsg.count() + “条记录未成功。<br /><br />”;
                    foreach (string s in lstmsg)
                    {
                        this.lblhint.text += s;
                    }
                }
            }
            catch
            {
                this.lblhint.text = “程序出错，请您检查需要导入的表！”;
            }
        }

 

效果图

 

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