Dim MyCommand As SqlCommand
Dim InsertCmd As String
InsertCmd= "update NB_sbdd set dd_indate=1 where id = 11"
MyCommand = New SqlCommand(InsertCmd, MyConnection)
MyCommand.Connection.Open()
Try
MyCommand.ExecuteNonQuery()
Catch Exp As SQLException
Message.InnerHtml = "错误"
End Try出错行:MyCommand.Connection.Open()
出错原因:Object reference not set to an instance of an object
什么原因啊??????
Dim InsertCmd As String
InsertCmd= "update NB_sbdd set dd_indate=1 where id = 11"
MyCommand = New SqlCommand(InsertCmd, MyConnection)
MyCommand.Connection.Open()
Try
MyCommand.ExecuteNonQuery()
Catch Exp As SQLException
Message.InnerHtml = "错误"
End Try出错行:MyCommand.Connection.Open()
出错原因:Object reference not set to an instance of an object
什么原因啊??????
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MyConnection.ConnectionString = "你的数据库连接字符窜"
Dim MyCommand As SqlCommand
Dim InsertCmd As String
InsertCmd= "update NB_sbdd set dd_indate=1 where id = 11"
MyCommand = New SqlCommand(InsertCmd, MyConnection)
MyCommand.Connection.Open()
Try
MyCommand.ExecuteNonQuery()
Catch Exp As SQLException
Message.InnerHtml = "错误"
End Try