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我有一个 C# 程序,我想将 Excel 文件导入 Microsoft SQL Server 2008 R2。

有人可以给我一个链接或教程,我可以完全理解如何做到这一点吗?

我已经这样做了很长时间,我真的不知道如何实现这一点。

请帮忙。谢谢。

4

4 回答 4

6
string excelConnectionString = @"Provider=Microsoft 
.Jet.OLEDB.4.0;Data Source=Book1.xls;Extended 
Properties=""Excel 8.0;HDR=YES;"""; 

// Create Connection to Excel Workbook

我们可以像这样将excel导入sql server

using (OleDbConnection connection = new OleDbConnection(excelConnectionString)){

OleDbCommand command = new OleDbCommand ("Select ID,Data FROM [Data$]", connection);

connection.Open(); 


`// Create DbDataReader to Data Worksheet `
using (DbDataReader dr = command.ExecuteReader()) 
{ 
    // SQL Server Connection String 
    string sqlConnectionString = "Data Source=.; 
       Initial Catalog=Test;Integrated Security=True"; 


    // Bulk Copy to SQL Server 
    using (SqlBulkCopy bulkCopy = 
               new SqlBulkCopy(sqlConnectionString)) 
    { 
        bulkCopy.DestinationTableName = "ExcelData"; 
        bulkCopy.WriteToServer(dr); 
    } 
于 2012-05-25T08:19:10.467 回答
4

此代码也可能对您有所帮助。

private void processExcel(string filename)
{
    filename = Server.MapPath("~/Files/WM-0b23-productsBook.xlsx");
    Microsoft.Office.Interop.Excel.Application xlApp;
    Microsoft.Office.Interop.Excel.Workbook xlWorkBook;
    Microsoft.Office.Interop.Excel.Worksheet xlWorkSheet;

    var missing = System.Reflection.Missing.Value;

    xlApp = new Microsoft.Office.Interop.Excel.Application();
    xlWorkBook = xlApp.Workbooks.Open(filename, false, true, missing, missing, missing, true, Microsoft.Office.Interop.Excel.XlPlatform.xlWindows, '\t', false, false, 0, false, true, 0);
    xlWorkSheet = (Microsoft.Office.Interop.Excel.Worksheet)xlWorkBook.Worksheets.get_Item(1);

    Microsoft.Office.Interop.Excel.Range xlRange = xlWorkSheet.UsedRange;
    Array myValues = (Array)xlRange.Cells.Value2;

    int vertical = myValues.GetLength(0);
    int horizontal = myValues.GetLength(1);

    System.Data.DataTable dt = new System.Data.DataTable();

    // must start with index = 1
    // get header information
    for (int i = 1; i <= horizontal; i++)
    {
        dt.Columns.Add(new DataColumn(myValues.GetValue(1, i).ToString()));
    }

    // Get the row information
    for (int a = 2; a <= vertical; a++)
    {
        object[] poop = new object[horizontal];
        for (int b = 1; b <= horizontal; b++)
        {
            poop[b - 1] = myValues.GetValue(a, b);
        }
        DataRow row = dt.NewRow();
        row.ItemArray = poop;
        dt.Rows.Add(row);
    }

    // assign table to default data grid view
    GridView1.DataSource = dt;
    GridView1.DataBind();

    xlWorkBook.Close(true, missing, missing);
    xlApp.Quit();

    releaseObject(xlWorkSheet);
    releaseObject(xlWorkBook);
    releaseObject(xlApp);
}

private void releaseObject(object obj)
{
    try
    {
        System.Runtime.InteropServices.Marshal.ReleaseComObject(obj);
        obj = null;
    }
    catch (Exception ex)
    {
        obj = null;
        MessageBox.Show("Unable to release the Object " + ex.ToString());
    }
    finally
    {
        GC.Collect();
    }
}
于 2013-10-25T03:33:34.933 回答
2

我认为已经给出了最有用的答案。我不打算描述 C# 的方式,而是给你一个不用 C# 的简单方法:

打开您的 MS Access,通过 ODBC 链接您的 MS SQL 数据库,在 Access 中打开您的表并通过复制粘贴将您的 Excel 记录粘贴到那里(预先格式化以匹配表架构。)

当您进行一些一次性数据导入时,这种方式非常快速且有用。

于 2012-12-05T06:15:02.177 回答
2

看看这篇文章:

使用 C# DataTable 和 SQL server OpenXML 函数批量插入数据

将数据从 Excel 导入 SQL Server

于 2012-05-25T08:12:57.970 回答