SQL批量插入資料【萬級】
阿新 • • 發佈:2020-07-10
1、每4000條插入一次
for (int i = 0; i < dt.Rows.Count; i++)
{ IsTBProductForStockInfo model = new IsTBProductForStockInfo();
model.SyncSkuCode = dt.Rows[i]["SyncSkuCode"].ToString();
model.SkuId = dt.Rows[i]["SkuId"].ToString();
info.Add(model);
rowcount = rowcount + 1;
tabIndex = tabIndex + 1;if (rowcount == pagesize)
{
if (listsize - tabIndex < 4000)
{
pagesize = listsize - tabIndex;
}
BatchAddNciicUserInfo(info)
} } public static string BatchAddNciicUserInfo(List<IsTBProductForStockInfo> listData)
{
int i = 0;
using (SqlConnection conn = new SqlConnection(ConnectionString)){
if (conn.State != ConnectionState.Open)
{
conn.Open();
}
using (SqlTransaction tran = conn.BeginTransaction())
{
try
{
using (SqlBulkCopy sqlDB = new SqlBulkCopy(conn, SqlBulkCopyOptions.Default, tran))
{ DataTable dtSource = new DataTable();
dtSource.Columns.Add("SkuId", typeof(int));
dtSource.Columns.Add("SyncSkuCode", typeof(string));dtSource.Columns.Add("Spec", typeof(string));
dtSource.Columns.Add("OldQtyonhand", typeof(int));
dtSource.Columns.Add("NewQtyonhand", typeof(int));
dtSource.Columns.Add("Status", typeof(string));
dtSource.Columns.Add("Times", typeof(DateTime));
dtSource.Columns.Add("usersecretkey", typeof(string));
foreach (var item in listData)
{
DataRow dr = dtSource.NewRow();
dr["SkuId"] = item.SkuId;
dr["SyncSkuCode"] = item.SyncSkuCode;
dr["Spec"] = item.Spec;
dr["OldQtyonhand"] = item.OldQtyonhand;
dr["NewQtyonhand"] = item.NewQtyonhand;
dr["Status"] = item.Status;
dr["Times"] = DateTime.Now;
dr["usersecretkey"] = item.usersecretkey;
dtSource.Rows.Add(dr);
i = i + 1;
}
sqlDB.BatchSize = 10000;
sqlDB.BulkCopyTimeout = 60;
sqlDB.DestinationTableName = string.Format("dbo.za_IsTBProductForStock");
sqlDB.ColumnMappings.Add("SkuId", "SkuId");
sqlDB.ColumnMappings.Add("SyncSkuCode", "SyncSkuCode");
sqlDB.ColumnMappings.Add("Spec", "Spec");
sqlDB.ColumnMappings.Add("OldQtyonhand", "OldQtyonhand");
sqlDB.ColumnMappings.Add("NewQtyonhand", "NewQtyonhand");
sqlDB.ColumnMappings.Add("Status", "Status");
sqlDB.ColumnMappings.Add("Times", "Times");
sqlDB.ColumnMappings.Add("usersecretkey", "usersecretkey");
sqlDB.WriteToServer(dtSource);
}
tran.Commit();
}
catch (Exception ex)
{
tran.Rollback();
throw ex;
}
} }
return "插入成功";
}
10000條資料用時25秒左右!!!!