将ExCel导入数据库

// <summary>

        /// EXCEL数据转换DataSet

        /// </summary>

        /// <param name="filePath">文件全路径</param>

        /// <param name="search">表名</param>

        /// <returns></returns>      

        private DataSet GetDataSet(string fileName)

        {

            string strConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + fileName + ";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1';";

            OleDbConnection objConn = null;

            objConn = new OleDbConnection(strConn);

            objConn.Open();

            DataSet ds = new DataSet();

            //List<string> List = new List<string> { "收款金额", "代付关税", "垫付费用", "超期", "到账利润" };

            List<string> List = new List<string> { };

            DataTable dtSheetName = objConn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });

            foreach (DataRow dr in dtSheetName.Rows)

            {

                if (dr["Table_Name"].ToString().Contains("$") && !dr[2].ToString().EndsWith("$"))

                {

                    continue;

                }

                string s = dr["Table_Name"].ToString();

                List.Add(s);

            }

            try

            {

                for (int i = 0; i < List.Count; i++)

                {

                    ds.Tables.Add(List[i]);

                    string SheetName = List[i];

                    string strSql = "select * from [" + SheetName + "]";

                    OleDbDataAdapter odbcCSVDataAdapter = new OleDbDataAdapter(strSql, objConn);

                    DataTable dt = ds.Tables[i];

                    odbcCSVDataAdapter.Fill(dt);

                }

                return ds;

            }

            catch (Exception ex)

            {

                return null;

            }

            finally

            {

                objConn.Close();

                objConn.Dispose();

            }

        }