SqlBulkCopy快速批量上傳大量數據到SqlServer
private static bool DataTableToSQLServer(DataTable dt,ref string strMessage)
{string connectionString = ConfigurationManager.ConnectionStrings["DBConnectionString"].ToString();
bool flag = true;
using (SqlConnection destinationConnection = new SqlConnection(connectionString))
{
destinationConnection.Open();
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(destinationConnection))
{
try
{
bulkCopy.DestinationTableName = "TEST";//要插入的表的表明
bulkCopy.BatchSize = 100000;
bulkCopy.BulkCopyTimeout = 1800;
bulkCopy.ColumnMappings.Add("廠區", "Plant");//映射字段名 DataTable列名 ,數據庫 對應的列名
bulkCopy.ColumnMappings.Add("部門", "Depnam");
bulkCopy.ColumnMappings.Add("工號", "Emplid");
bulkCopy.ColumnMappings.Add("姓名", "Chinam");
bulkCopy.ColumnMappings.Add("年齡", "Age");
bulkCopy.ColumnMappings.Add("日期", "Wrkdat");
bulkCopy.ColumnMappings.Add("刷卡入廠", "Entdat");
bulkCopy.ColumnMappings.Add("刷卡離廠", "Stwkhr");
bulkCopy.ColumnMappings.Add("班別", "Sftcod");
bulkCopy.ColumnMappings.Add("加班開始", "Stovhr");
bulkCopy.ColumnMappings.Add("加班結束", "Enovhr");
bulkCopy.ColumnMappings.Add("加班時數", "Overhr");
bulkCopy.ColumnMappings.Add("加班係數", "Holcod");
bulkCopy.ColumnMappings.Add("事由", "Overmk");
bulkCopy.ColumnMappings.Add("到職日", "Frmdat");
bulkCopy.ColumnMappings.Add("員工別", "Wpctgy");
bulkCopy.ColumnMappings.Add("出生日期", "Birdat");
bulkCopy.WriteToServer(dt);
}
catch (Exception ex)
{
strMessage=ex.Message;
flag = false;
}
finally
{
// Close the SqlDataReader. The SqlBulkCopy
// object is automatically closed at the end
// of the using block.
destinationConnection.Close();
}
}
}
return flag;
}