How to solve "Unexpected error from external database driver (髰粑��髫粑鮠粑)." while export huge excel data in sql

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SQL-Server-2005

SQL

chkProc = 0;
OleDbConnection oconn = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + Server.MapPath("" + pathss + "") + ";Extended Properties=Excel 12.0;Persist Security Info=False");
OleDbCommand ocmd = new OleDbCommand("select * from [" + sheetss + "$]", oconn);
oconn.Open();
OleDbDataReader odr = ocmd.ExecuteReader();

this error occurs when transferring huge data from excel to sql server 2005 it occurs at the time of oconn open();

plz hlp me...

Posted 13-Nov-13 21:43pm

krrazyumesh

Updated 14-Nov-13 1:55am

Nelek

v2

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 14-Nov-13 4:34am

Then select certain number of rows at a time and try.

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Bhuvanesh Mohankumar · Answer 1 · 2013-11-14T01:48:00

Hi,

Use this below code and read the data from EXCEL and convert to Dataset and then do the process of inserting data from the Dataset to the SQL Server DataBase.

using System.Data.OleDb;
using System.IO;
using System.Data;


  private DataSet GenerateExcelData()
        {
            DataSet ds = new DataSet();
            try
            {
                string path = System.IO.Path.GetFullPath(Server.MapPath("Excel/InformationNew.xlsx"));
                if (Path.GetExtension(path) == ".xls")
                {
                    oledbConn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + path + ";Extended Properties=\"Excel 8.0;HDR=Yes;IMEX=2\"");
                }
                else if (Path.GetExtension(path) == ".xlsx")
                {
                    oledbConn = new OleDbConnection(@"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + path + ";Extended Properties='Excel 12.0;HDR=YES;IMEX=1;';");
                }
                oledbConn.Open();
                OleDbCommand cmd = new OleDbCommand(); ;
                OleDbDataAdapter oleda = new OleDbDataAdapter();
                cmd.Connection = oledbConn;
                cmd.CommandType = CommandType.Text;
                cmd.CommandText = "SELECT * FROM [Sheet1$]";
                oleda = new OleDbDataAdapter(cmd);
                oleda.Fill(ds, "excelData");
                return ds;
            }
            catch (Exception ex)
            {
                return ds;
            }
            finally
            {
                oledbConn.Close();
                oledbConn.Dispose();
            }
        }