导入excel，报：定义了过多字段解决办法

导入excel，报：定义了过多字段

C# code

  public DataSet ExcelToDs(string path)        {            string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source = " + path + ";Extended Properties ='Excel 8.0;HDR=NO;IMEX=1'";            OleDbConnection conn = new OleDbConnection(strConn);            conn.Open();            DataTable dtSchema = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });            DataSet ds = new DataSet();            //一个EXCEL文件可能有多个工作表，遍历之            foreach (DataRow dr in dtSchema.Rows)            {                string table = dr["TABLE_NAME"].ToString();                if (table == "'map copy$'")                {                    string tname = "map copy$";                    string strExcel = "SELECT * FROM [" + tname + "A1:IV100]";                    ds.Tables.Add(table);                    OleDbDataAdapter myCommand = new OleDbDataAdapter(strExcel, conn);                   [color=#FF0000] myCommand.Fill(ds, table);//定义了过多字段[/color]                }            }            conn.Close();            return ds;        }