“EXCEL”外部表不符合预期格式。
string sql = "SELECT * FROM [Sheet1$]";string excelConnection = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + pathname + ";
Extended Properties=\"Excel 8.0;HDR=YES;IMEX=1;\"";using (OleDbDataAdapter adaptor = new OleDbDataAdapter(sql, excelConnection)) {
DataSet ds = new DataSet();
adaptor.Fill(ds);}
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