0
我是Visual Basic的新手,我正在上一学期参加Visual Basic课程以获得乐趣。我无法获得datagridview来连接到我的导师给我的.MDF
SQL Server数据库文件。我在sConnection.ConnectionString =“”上得到了一个空的异常错误,我对此感到茫然。在datagridview中打开SQL Server MDF文件
Private Sub Button1_Click(sender As Object, e As EventArgs) Handles Button1.Click
sConnection.ConnectionString = "Data Source=.\SQLEXPRESS;AttachDbFilename=C:\Users\Jkome\Desktop\Kayaks.mdf;Integrated Security=True;Connect Timeout=30;User Instance=True"
sConnection.Open()
sCommand.CommandText = "Select * from KayakTypes;"
sReader = sCommand.ExecuteReader()
sTable.Load(sReader)
DGVkyaks.DataSource = sTable
嗯,首先:你有SQL Server的默认设置您的PC('SQLEXPRESS'的实例名称)** **快速安装? –