GitHub

SqlConnection.GetSchema fails when SqlConnection.Transaction is not null

System.InvalidOperationException: Unable to build the 'Columns' collection because execution of the SQL query failed. See the inner exception for details. ---> System.InvalidOperationException: ...
csdn

Delphi SQLConnection连接中间件超时的问题？

我使用SQLConnection连接服务器的中间件，如果服务器开启了服务，很快就可以连接，如果服务器关闭了服务，这边的SQLConnection就要等待15秒的时间才提示连接失败。 我测试用多线程在后台倒计时，5秒没有连接成功就提示重新连接，但不成功，必须要等到SQLConnection ...
GitHub

[A]System.Data.SqlClient.SqlConnection cannot be cast to [B]System.Data.SqlClient.SqlConnection

Tried to include the latest pkg into an azure functions project using entity framework 6.4.4. When calling insert - [A]System.Data.SqlClient.SqlConnection cannot be cast to ...
MCPmag

How To Quickly Test a SQL Connection with PowerShell

Unfortunately, not every SQL database is always available when we expect it to be. When you're creating automation scripts to discover, add, update or remove records from a remote SQL database, you ...
搜狐

C#重点讲解之SqlConnection类

ConnectionString 获取或设置用于打开 SQL Server 数据库的字符串。 （重写 DbConnection.ConnectionString。） ConnectionTimeout 获取在尝试建立连接时终止尝试并生成错误之前所等待的时间。 Database 获取当前数据库或连接打开后要使用的数据库的名称。 DataSource 获取要连接的 SQL ...
Ars Technica

.NET - Keep a SqlConnection open or open and close it repeatedly?

This is a basic question that I think I know the answer to but I just wanted to double check the consensus view. <BR><BR>I've got a WinService written in C#/.NET 2.0. It's job is to be continually ...
Ars Technica

SqlConnection.Open() seems rather slow...

I'm using MSDE, running locally on XP. I have a teeny bit of C# code opening a connection to the database, closing it, then ending.<BR><BR>The Open() procedure works successfully, but seems to produce ...