高手帮忙看一下,折腾了我一下午了
Dim strconn As String
strconn = "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=***;pwd=***;Initial Catalog=Test;Data Source=QIYANG;Use Procedure for Prepare=1;Auto Translate=True;Packet Size=4096;Workstation ID=QIYANG;Use Encryption for Data=False;Tag with column collation when possible=False
Dim myConnection As New SqlConnection(ConfigurationSettings.AppSettings(strconn))
Dim myCommand As New SqlCommand("addImage", myConnection)
myConnection.Open() <----出错
异常详细信息: System.InvalidOperationException: ConnectionString 属性尚未初始化。
这是怎么回事?连结字串是对的,用普通的oldbconnection没问题
但是用到SqlConnection就出错了
高手救我