我有一个应用程序可以添加新的登录到sql服务器,然后将其映射到所有的数据库,并使其'db_owner'(这些是要求...)。 当我构建应用程序时,我使用了SMO并且一切都很完美。 现在的需求已经改变,我不能再使用SMO:( 所以我需要从我的应用程序运行T-SQL命令而不是... 我的问题是当我运行应用程序什么都没有发生在SQL服务器 - 登录不会被添加,它不会被映射到所有数据库....但是当我在SQL服务器管理工作室中执行这些行时,它工作得很好...从.net运行T-SQL命令
这些是命令 -
create login dbUser WITH PASSWORD = 'passsword';
use DB_MyLog;
create user dbUser for login dbUser;
use DB_MyLog
EXEC sp_addrolemember 'db_owner','dbUser'
在我的应用程序运行它们这样的 -
string connString = "Data Source=" + ConfigurationManager.AppSettings.Get("localhost_SQLEXPRESS")
+ ";Initial Catalog=" + "master" + ";User ID=" + ConfigurationManager.AppSettings.Get("user")
+ ";Password=" + ConfigurationManager.AppSettings.Get("password");
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(connString);
builder.AsynchronousProcessing = true;
using (SqlConnection sqlConnection1 = new SqlConnection(builder.ConnectionString))
{
using (SqlCommand cmd = new SqlCommand("CREATE LOGIN " + ConfigurationManager.AppSettings.Get("dbUser") +
" WITH PASSWORD=N'" + ConfigurationManager.AppSettings.Get("dbUserPass") + "' "
, sqlConnection1))
{
sqlConnection1.Open();
cmd.BeginExecuteNonQuery();
}
}
和在我运行的另一种方法 -
string connString = "Data Source=" + ConfigurationManager.AppSettings.Get("localhost_SQLEXPRESS")
+ ";Initial Catalog=" + "master" + ";User ID=" + ConfigurationManager.AppSettings.Get("user")
+ ";Password=" + ConfigurationManager.AppSettings.Get("password");
SqlConnectionStringBuilder builder = new SqlConnectionStringBuilder(connString);
builder.AsynchronousProcessing = true;
using (SqlConnection sqlConnection1 = new SqlConnection(builder.ConnectionString))
{
//get all databases
using (SqlCommand cmd = new SqlCommand("SELECT * FROM sys.sysdatabases", sqlConnection1))
{
sqlConnection1.Open();
SqlDataReader reader = cmd.ExecuteReader();
// Call Read before accessing data.
while (reader.Read())
{
using (SqlConnection sqlConnection2 = new SqlConnection(builder.ConnectionString))
{
sqlConnection2.Open();
using (SqlCommand cmd1 = new SqlCommand("use " + reader[0].ToString() + ";" +
"create user " + ConfigurationManager.AppSettings.Get("dbUser") + " for login " + ConfigurationManager.AppSettings.Get("dbUser") + ";" +
"use " + reader[0].ToString() +
" EXEC sp_addrolemember 'db_owner','" + ConfigurationManager.AppSettings.Get("dbUSer") + "'"
, sqlConnection2))
{
cmd1.BeginExecuteNonQuery();
}
}
}
// Call Close when done reading.
reader.Close();
}
}
如果使用'BeginExecuteNonQuery'并发生错误,则它只会在回调处理程序中变为可见。也许调用'ExecuteNonQuery'而不是'BeginExecuteNonQuery'。 – Andomar 2012-07-08 08:34:38
@Andomar当我将BeginExecuteNonQuery更改为ExecuteNonQuery时,我能够捕捉到我的异常并修复了我的错误....现在它可以正常工作,谢谢...如果将此建议添加到答案中,我会接受它... – 2012-07-08 09:17:18