0
我遇到了错误：多步OLE DB操作产生错误。检查每个OLE DB状态值（如果可用）。没有工作完成。我正在使用SQL Server 2005和Visual Studio 2005.C＃导入excel文件到sql数据库错误
我在将excel文件导入到我的sql表中的一个表中时遇到了此错误。以下是我的代码：
#region Using directives
using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using System.Data.OleDb;
using System.Data.SqlClient;
using System.IO;
using System.Configuration;
#endregion Using directives
namespace CSASPNETExcelImportExport
{
public partial class ExcelImport : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
// Get the row counts in SQL Server table.
protected int GetRowCounts()
{
int iRowCount = 0;
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Data Source=<IP>;Initial Catalog=SOD;Persist Security Info=True;User ID=<username>;Password=<password>"].ToString()))
{
SqlCommand cmd = new SqlCommand("select count(*) from <database>", conn);
conn.Open();
// Execute the SqlCommand and get the row counts.
iRowCount = (int)cmd.ExecuteScalar();
}
return iRowCount;
}
// Retrieve data from the Excel spreadsheet.
protected DataTable RetrieveData(string strConn)
{
DataTable dtExcel = new DataTable();
using (OleDbConnection conn = new OleDbConnection(strConn))
{
// Initialize an OleDbDataAdapter object.
OleDbDataAdapter da = new OleDbDataAdapter("select * from <database>", conn);
// Fill the DataTable with data from the Excel spreadsheet.
da.Fill(dtExcel);
}
return dtExcel;
}
// Import the data from DataTable to SQL Server via SqlBulkCopy
protected void SqlBulkCopyImport(DataTable dtExcel)
{
using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["Data Source=<ip>;Initial Catalog=SOD;Persist Security Info=True;User ID=<username>;Password=<password>"].ToString()))
{
// Open the connection.
conn.Open();
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(conn))
{
// Specify the destination table name.
bulkCopy.DestinationTableName = "<database>";
foreach (DataColumn dc in dtExcel.Columns)
{
// Because the number of the test Excel columns is not
// equal to the number of table columns, we need to map
// columns.
bulkCopy.ColumnMappings.Add(dc.ColumnName, dc.ColumnName);
}
// Write from the source to the destination.
bulkCopy.WriteToServer(dtExcel);
}
}
}
protected void btnImport_Click(object sender, EventArgs e)
{
// Before attempting to import the file, verify
// that the FileUpload control contains a file.
if (fupExcel.HasFile)
{
// Get the name of the Excel spreadsheet to upload.
string strFileName = Server.HtmlEncode(fupExcel.FileName);
// Get the extension of the Excel spreadsheet.
string strExtension = Path.GetExtension(strFileName);
// Validate the file extension.
if (strExtension != ".xls" && strExtension != ".xlsx")
{
Response.Write("<script>alert('Please select a Excel spreadsheet to import!');</script>");
return;
}
// Generate the file name to save.
string strUploadFileName = "~/UploadFiles/" + DateTime.Now.ToString("yyyyMMddHHmmss") + strExtension;
// Save the Excel spreadsheet on server.
fupExcel.SaveAs(Server.MapPath(strUploadFileName));
// Generate the connection string for Excel file.
string strExcelConn = "";
// There is no column name In a Excel spreadsheet.
// So we specify "HDR=YES" in the connection string to use
// the values in the first row as column names.
if (strExtension == ".xls")
{
// Excel 97-2003
strExcelConn = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath(strUploadFileName) + ";Extended Properties=\"Excel 8.0;HDR=Yes;\"";
//if the above doesn't work, you may need to prefix OLEDB; to the string, e.g.
//strExcelConn = "OLEDB;Provider=Microsoft.Jet.OLEDB.4.0;Data Source=<URL>" + Server.MapPath(strUploadFileName) + ";Extended Properties=\"Excel 8.0;HDR=Yes;\"";
}
else
{
// Excel 2007
strExcelConn = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=<URL>" + Server.MapPath(strUploadFileName) + ";Extended Properties=\"Excel 12.0 Xml;HDR=YES\"";
}
DataTable dtExcel = RetrieveData(strExcelConn);
// Get the row counts before importing.
int iStartCount = GetRowCounts();
// Import the data.
SqlBulkCopyImport(dtExcel);
// Get the row counts after importing.
int iEndCount = GetRowCounts();
// Display the number of imported rows.
lblMessages.Text = Convert.ToString(iEndCount - iStartCount) + " rows were imported into Person table";
if (rblArchive.SelectedValue == "No")
{
// Remove the uploaded Excel spreadsheet from server.
File.Delete(Server.MapPath(strUploadFileName));
}
}
}
}
}
是因为我的连接字符串错误？
我改变了我的连接字符串，作为Nathan的建议。现在我遇到了以下错误：
http://i.stack.imgur.com/nWyte.png
这个时候有什么错误呢？ D：
这是重现错误所需的_minimum_数量的代码？ –