将Excle中的数据批量导入数据库

namespace 将Excle中的数据批量导入数据库
{
    class Program
    {
        static void Main(string[] args)
        {

SqlConnection sqlconn = new SqlConnection("Data Source=ZHANG-PC;Initial Catalog=config;Integrated Security=True");
            sqlconn.Open();
            DataSet ds = ExecleDs(@"C:\Users\zhang\Desktop\a.xls", "a");
            DataRow[] rows = ds.Tables[0].Select();
            int rowssun = ds.Tables[0].Rows.Count;
            if (rowssun <= 0)
            {
                Console.WriteLine("Excle中没有数据");
                return;
            }
            else
            {
                for (int i = 0; i < rows.Length; i++)
                {
                    string YHMC = rows[i]["地区编码"].ToString();
                    string YHMM = rows[i]["上级编码"].ToString();
                    string DQRQ = rows[i]["地区名称"].ToString();
                    string ZT = rows[i]["地区级别"].ToString();
                    string TJSJ = rows[i]["是否末级"].ToString();
                    string insertstr = "insert into Dic_CheckArea(地区编码,上级编码,地区名称,地区级别,是否末级) values('" +
                                        YHMC + "','" + YHMM + "','" + DQRQ + "','" + ZT + "','" + TJSJ + "')";
                    SqlCommand cmd = new SqlCommand(insertstr, sqlconn);
                    try
                    {
                        cmd.ExecuteNonQuery();
                    }

catch
                    {
                        throw new Exception("插入出错了");
                    }

}

}
            Console.WriteLine("导入成功！共导入："+rowssun+"条数据");
            
        }
        public static DataSet ExecleDs(string filenameurl, string table)
        {
            try
            {
                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);

OleDbDataAdapter odda = new OleDbDataAdapter("select * from [Sheet1$]", conn);
                DataSet ds = new DataSet();
                odda.Fill(ds, table);
                return ds;
            }
            catch
            {
                throw new Exception("出错了");
            }

}
    }
}