csharp_read_execl

blog:http://www.cnblogs.com/solq

　　　　string Connection = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=d:/test.xlsx;Extended Properties=\"Excel 12.0;HDR=No;IMEX=1\";";
        string strConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=D:/test.xls;" +  "Extended Properties='Excel 8.0'";
        private void readExecl()
        {

            OleDbConnection con = new OleDbConnection(Connection);

            #region 
            
            /*
                获取多少个表。。。。。
             */
            con.Open();           
            DataTable sheetsName = con.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "Table" });

            Console.WriteLine(sheetsName.Rows.Count);
            Console.WriteLine(sheetsName.Rows[0][2].ToString()); // get table name

            #endregion
            /*
            //读取方式一      
            OleDbDataAdapter myCommand = new OleDbDataAdapter("select * from [Sheet1$]", con);

            DataTable dt = new DataTable();
            myCommand.Fill(dt);

            DataSet set = new DataSet();
            myCommand.Fill(set);
           
            foreach (DataRow r in dt.Rows)
            {
               
                String str = r[0].ToString();
                //Console.WriteLine(str);
            }*/

            /*
                如果只想读取前两列可以用：select * from [Sheet1$A:B]
                如果只想读取A1到B2的内容，就用：select * from [Sheet1$A1:B2]
             */
            //读取方式二
            string sql = string.Format("SELECT * FROM [{0}$] ", "Sheet1");
            OleDbCommand myOleDbCommand = new OleDbCommand(sql, con);
            OleDbDataReader myDataReader = myOleDbCommand.ExecuteReader();
            //myDataReader.Read();
            //myDataReader.Read();
            while (myDataReader.Read())
            {
                for(int i=0; i< myDataReader.FieldCount;i++)
                {
                    string c=Convert.ToString(myDataReader.GetValue(i));
                    Console.Write(c+"\t");
                }
                Console.WriteLine("");              
            }
            myDataReader.Dispose();
            con.Close();
        }

https://files.cnblogs.com/solq/csharp_read_execl.rar

最终版吧。。。

https://files.cnblogs.com/solq/read_execl.rar