ConnectionString += "Extended Properties='Excel 8.01;HDR=Yes2;IMEX=13';" //注释: 1: Excel 8.0 针对 EXCEL 2000 或 更高版本;Excel 5.0 FOR EXCEL 97 2: HDR == HEADER ROW 表示第一行是否为字段名 3: IMEX 表示对同一列中有混合数据类型的列, 是统一按 字符型处理, 还是将个别不同类型的值读...
字符串sConnectionString = "Provider=Microsoft.ACE.OLEDB.12.0;“+”数据Source=e：\Test.xlsx“；...
stringconnectionString="Provider=Microsoft.ACE.OLEDB.12.0;Data Source=c:\\path\\to\\file.xlsx;Extended Properties='Excel 12.0 Xml;HDR=YES;'";using(OleDbConnectionconn=newOleDbConnection(connectionString)){conn.Open();OleDbCommandcmd=newOleDbCommand("SELECT * FROM [Sheet1$]",conn);OleDbDataAdapteradap...
1. string connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + excelFile + ";Extended Properties='Excel 8.0;'"; 使用上面的连接字符串连接Excel时,可能会遇到数据类型不一致的问题。所谓数据类型不一致,是指同一列里面数据类型可能出现多种,如浮点数、字符串、日期等;当出现此类情况时,读取出来的...
using System; using System.Data.OleDb; class Program { static void Main() { string excelFilePath = "<Excel文件路径>"; string sheetName = "<工作表名称>"; // 创建连接字符串 string connectionString = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + excelFilePath + ";Extended Propertie...
基于OleDb的Excel数据访问 比较以下两个连接字符串: 1)string connectionStr = string.Format("provider=Microsoft.Jet.OLEDB.4.0;data source={0};Extended Properties='Excel 8.0;HDR=NO;IMEX=1'", filePath); 2)string connectionStr = string.Format("provider=Microsoft.Jet.OLEDB.4.0;data source={0};...
通过OleDB 连接方式,访问 Access,Excel 数据库. OleDbConnectionStringBuilder oleConStr = new OleDbConnectionStringBuilder(); Access 连接信息 oleConStr.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source= " + myDBFileName + ";User Id=admin;Password=;"; Excel 连接信息 string myExcelConStr ...
public bool DataTableToExcel(DataTable dt,string excelPath,string sheetName,out string result) { string ConnectionString = "Provider=Microsoft.Jet.OleDb.4.0;Data Source={0};Extended ProPerties=Excel 8.0"; if(dt == null) { result = "DataTable不能为空"; ...
conn="Provider = Microsoft.ACE.OLEDB.12.0 ; Data Source ="+ _FileName +";Extended Properties='Excel 12.0;HDR=Yes;IMEX=1'"; } if(String.IsNullOrWhiteSpace(conn))thrownewException("不能识别的文件格式!"); ...
1 oledb方法读取代码为using System.Data.OleDb;using System.Data.SqlClient;using System.Data;/// /// 读取Excel文件到DataSet中 /// /// 文件路径 /// <returns>Excel数据DataSet</returns> private DataSet ExcelToDS(string filePath) { string connStr = ""; string fileTy...