Monday, October 18, 2010

Import Excel Spreadsheet Data into SQL Server Database Table Using SqlBulkCopy

Using SqlBulkCopy to Import Excel Spreadsheet Data into SQL Server

Let's take an Excel Workbook with a worksheet, called Data, that contains 1000 rows of nonsense data broken into 2 columns, ID and Data.

I want to copy this data into a SQL Server Database Table, called ExcelData, with the same schema.

Just a little bit of code transfers the data from the Excel Spreadsheet into the SQL Server Database Table:

// Connection String to Excel Workbook
string excelConnectionString = @"Provider=Microsoft
.Jet.OLEDB.4.0;Data Source=Book1.xls;Extended
Properties=""Excel 8.0;HDR=YES;""";

// Create Connection to Excel Workbook
using (OleDbConnection connection =
new OleDbConnection(excelConnectionString))
OleDbCommand command = new OleDbCommand
("Select ID,Data FROM [Data$]", connection);


// 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";

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