数据库百万条添加的方法

protected void Button1_Click(object sender, EventArgs e)
{

using (SqlConnection connection = new SqlConnection("Data Source=(local);Integrated Security=true;Initial Catalog=FIO;"))
{
connection.Open();
DataTable newProducts = MakeTable();
using (SqlBulkCopy bulkCopy = new SqlBulkCopy(connection))
{
bulkCopy.DestinationTableName = "dbo.test";
try
{
bulkCopy.WriteToServer(newProducts);
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
}

private static DataTable MakeTable()
{
// 创建临时表
DataTable newProducts = new DataTable("newtest");
// 给表创建列
DataColumn productID = new DataColumn();
productID.DataType = System.Type.GetType("System.Int32");
productID.ColumnName = "id";
productID.AutoIncrement = true;
newProducts.Columns.Add(productID);

DataColumn productName = new DataColumn();
productName.DataType = System.Type.GetType("System.String");
productName.ColumnName = "name";
newProducts.Columns.Add(productName);

// 给列添加行
for (int i = 0; i < 100000; i++)
{
DataRow dataRow = newProducts.NewRow();
dataRow["name"] =  Guid.NewGuid().ToString();
newProducts.Rows.Add(dataRow);
}
return newProducts;
}