本文整理汇总了C#中DataContext.ExecuteCommand方法的典型用法代码示例。如果您正苦于以下问题：C# DataContext.ExecuteCommand方法的具体用法？C# DataContext.ExecuteCommand怎么用？C# DataContext.ExecuteCommand使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类DataContext的用法示例。
在下文中一共展示了DataContext.ExecuteCommand方法的10个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: CopyDb
private void CopyDb(StandardKernel kernel, out FileInfo sandboxFile, out string connectionString)
{
var config = kernel.Get<IConfig>();
var db = new DataContext(config.ConnectionStrings("ConnectionString"));
TestDbName = string.Format("{0}_{1}", NameDb, DateTime.Now.ToString("yyyyMMdd_HHmmss"));
sandboxFile = new FileInfo(string.Format("{0}\\{1}.bak", Sandbox, TestDbName));
var sandboxDir = new DirectoryInfo(Sandbox);
//backupFile
var textBackUp = string.Format(@"-- Backup the database
BACKUP DATABASE [{0}]
TO DISK = '{1}'
WITH COPY_ONLY",
NameDb, sandboxFile.FullName);
db.ExecuteCommand(textBackUp);
var restoreFileList = string.Format("RESTORE FILELISTONLY FROM DISK = '{0}'", sandboxFile.FullName);
var fileListRestores = db.ExecuteQuery<FileListRestore>(restoreFileList).ToList();
var logicalDbName = fileListRestores.FirstOrDefault(p => p.Type == "D");
var logicalLogDbName = fileListRestores.FirstOrDefault(p => p.Type == "L");
var restoreDb = string.Format("RESTORE DATABASE [{0}] FROM DISK = '{1}' WITH FILE = 1, MOVE N'{2}' TO N'{4}\\{0}.mdf', MOVE N'{3}' TO N'{4}\\{0}.ldf', NOUNLOAD, STATS = 10", TestDbName, sandboxFile.FullName, logicalDbName.LogicalName, logicalLogDbName.LogicalName, sandboxDir.FullName);
db.ExecuteCommand(restoreDb);
connectionString = config.ConnectionStrings("ConnectionString").Replace(NameDb, TestDbName);
}示例2: ClearTpDB
private static void ClearTpDB(DataContext tpDatabaseDataContext)
{
if (!tpDatabaseDataContext.DatabaseExists())
{
tpDatabaseDataContext.CreateDatabase();
tpDatabaseDataContext.SubmitChanges();
}
else
{
tpDatabaseDataContext.ExecuteCommand("delete from Project");
tpDatabaseDataContext.ExecuteCommand("delete from TpUser");
tpDatabaseDataContext.ExecuteCommand("delete from General");
tpDatabaseDataContext.ExecuteCommand("delete from MessageUid");
tpDatabaseDataContext.ExecuteCommand("delete from PluginProfile");
tpDatabaseDataContext.ExecuteCommand("delete from Revision");
}
}示例3: ClearTpDB
private static void ClearTpDB(DataContext tpDatabaseDataContext)
{
tpDatabaseDataContext.ExecuteCommand("delete from Project");
tpDatabaseDataContext.ExecuteCommand("delete from CustomReport");
tpDatabaseDataContext.ExecuteCommand("delete from TpUser");
tpDatabaseDataContext.ExecuteCommand("delete from General");
tpDatabaseDataContext.ExecuteCommand("delete from MessageUid");
tpDatabaseDataContext.ExecuteCommand("delete from PluginProfile");
tpDatabaseDataContext.ExecuteCommand("delete from Revision");
}示例4: Form1
public Form1()
{
InitializeComponent();
string connString = "DataSource=db/Pots.db3;";
SQLiteConnection connection = new SQLiteConnection(connString);
DataContext = new DataContext(connection);
DataContext.ExecuteCommand("PRAGMA foreign_keys=ON;");
formEditor = new FormEditor();
diagramView1.OnItemSelect += (obj, index) =>
{
propertyGrid1.SelectedObject = obj;
};
buttonRefresh_Click(null, null);
}示例5: ReCreateDatabaseFromAttributeMapping
protected void ReCreateDatabaseFromAttributeMapping(DataContext ctx)
{
bool success = false;
bool retry = false;
int retries = 0;
do
{
try
{
using (ctx)
{
CloseAllOpenConnections(ctx);
ctx.Log = new StringWriter();
if (ctx.DatabaseExists())
{
//drop all connections by disabling multi-user (and immediatly abort all current transactions)
ctx.ExecuteCommand("ALTER DATABASE " + _databaseName + " SET SINGLE_USER WITH ROLLBACK IMMEDIATE");
ctx.DeleteDatabase();
}
try
{
ctx.CreateDatabase();
}
catch (Exception e)
{
Debug.WriteLine(e);
Debug.WriteLine(ctx.Log);
throw;
}
//re-enable multi-user (again)
ctx.ExecuteCommand("ALTER DATABASE " + _databaseName + " SET MULTI_USER");
success = true;
}
}
catch (SqlException e)
{
retry = false;
if (e.Message.IndexOf("was deadlocked on lock resources with another process and has been chosen as the deadlock victim") > 0)
{
retry = true;
retries++;
}
}
} while (success == false && (retry && retries < 3));
}示例6: PutMessage
public void PutMessage(ImmutableEnvelope envelope)
{
var buffer = _streamer.SaveEnvelopeData(envelope);
var now = DateTime.UtcNow;
using (var db = new DataContext(_connectionString))
{
db.ExecuteCommand
(
"exec [dbo].[Enqueue] {0}, {1}, {2}, {3}, {4}",
_queueID,
envelope.EnvelopeId,
envelope.CreatedOnUtc,
envelope.DeliverOnUtc < now ? now : envelope.DeliverOnUtc,
buffer
);
}
}示例7: SendToPoisonQueue
void SendToPoisonQueue(QueueMessage message)
{
using (var db = new DataContext(_config.ConnectionString))
{
db.ExecuteCommand
(
"exec [dbo].[Enqueue] {0}, {1}, {2}, {3}, {4}",
_poisonQueueID,
message.EnvelopeID,
message.CreatedOnUtc,
DateTime.UtcNow,
message.Envelope
);
}
}示例8: DeleteMessage
void DeleteMessage(QueueMessage message)
{
using (var db = new DataContext(_config.ConnectionString))
{
db.ExecuteCommand
(
"exec [dbo].[Delete] {0}",
message.MessageID
);
}
}示例9: RemoveDb
private void RemoveDb()
{
var config = DependencyResolver.Current.GetService<IConfig>();
var db = new DataContext(config.ConnectionStrings("ConnectionString"));
var textCloseConnectionTestDb = string.Format(@"ALTER DATABASE [{0}] SET SINGLE_USER WITH ROLLBACK IMMEDIATE", TestDbName);
db.ExecuteCommand(textCloseConnectionTestDb);
var textDropTestDb = string.Format(@"DROP DATABASE [{0}]", TestDbName);
db.ExecuteCommand(textDropTestDb);
}示例10: CreateTable
/// <summary>
/// 创建单个表
/// </summary>
/// <param name="linqTableClass"></param>
/// <param name="db"></param>
private static void CreateTable(Type linqTableClass, DataContext db)
{
var metaTable = db.Mapping.GetTable(linqTableClass);
//反射的方法创建对象
var typeName = "System.Data.Linq.SqlClient.SqlBuilder";
var type = typeof(DataContext).Assembly.GetType(typeName);
//反射调用私有的GetCreateTableCommand 方法。
var bf = BindingFlags.Static | BindingFlags.NonPublic | BindingFlags.InvokeMethod;
var sql = type.InvokeMember("GetCreateTableCommand", bf, null, null, new[] { metaTable });
var sqlAsString = sql.ToString();
db.ExecuteCommand(sqlAsString);
}