你换种方式试一下:用连接串来连接sql数据库
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=data;User ID=sa;password=sa;Integrated Security=False");
SqlConnection con = new SqlConnection("Data Source=.;Initial Catalog=data;User ID=sa;password=sa;Integrated Security=False");
用代码连是OK的,我正在纠结为啥不显示SQL Server~
SQl Server 装的没问题,不过Visual C# 装的是EXPRESS版本的,有影响吗?